texlua scripts revised

pdfopt.tlu is using -dFastWebView now instead of pdfopt.ps


git-svn-id: svn://tug.org/texlive/trunk@37204 c570f23f-e606-0410-a88d-b1316a301751

10 files changed, 860 insertions, 423 deletions

diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/eps2eps.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/eps2eps.tlu
index 715e7c1ff25..43701447a0d 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/eps2eps.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/eps2eps.tlu
@@ -2,12 +2,22 @@
 --*-Lua-*-
 -- $Id$
 
--- Copyright (C) 2008 Reinhard Kotucha.
+-- Copyright (C) 2008-2015 Reinhard Kotucha.
 -- You may freely use, modify and/or distribute this file.
 
 -- Replacement for eps2eps.bat.
 -- 'Distill' Encapsulated PostScript.
 
+
+local function usage (progname)
+   local message=
+      'Usage: '..progname..' [options] <inputfile> <outputfile>\n'..
+      '       <inputfile> can be either a PS, EPS, PDF file, or stdin.\n'..
+      '       A single hyphen (-) denotes stdin.\n'
+   return message
+end
+
+
 function fixwin(args_unix)
    if os.type == 'windows' then
       local args_win={}  -- new table
@@ -21,41 +31,103 @@ function fixwin(args_unix)
    end
 end
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
+
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
+      end
+   end
 end
 
-command={gs, '-q', '-sDEVICE=eps2write'}
 
-if os.type=='unix' then
-   command[#command+1]='-sstdout=%stderr'
+local function filename (file)
+   -- strip path
+   if string.find(file, '[/\\]') then
+      return string.match(file, '.*[/\\](.*)$')
+   else
+      return file
+   end
 end
 
 
-for _,v in ipairs{'-dNOPAUSE', '-sOutputFile='..arg[#arg], 
-		  '-dBATCH', '-dSAFER', '-dDEVICEWIDTH=250000', 
-		  '-dDEVICEHEIGHT=250000'} do
-   command[#command+1]=v
+local function basename (file)
+   -- strip extension
+   return string.match(filename(file), '(.*)%..*')
 end
 
 
-files=0
+local function extension (file)
+   -- return extension if available, false otherwise.
+   local fn=filename(file)
+   if fn:find('%.') then
+      return string.match(fn, '.*%.(.*)')
+   else
+      return false
+   end
+end
+
+
+local function parse_cmdline ()
+   local files={}
+   local options={}
+
+   local progname
+   local basename=filename(arg[0])
+   if basename:find('%.') then
+      progname=basename:match('(.*)%..*')
+   else
+      progname=basename
+   end
 
-for i=1, #arg do
-   if not string.find(arg[i], '^%-') then
-      files=files+1
+   for i=1, #arg do
+      if string.find(arg[i], '^%-.+') then
+	 push(options, arg[i])
+      else
+	 push(files, arg[i])
+      end
    end
-   command[#command+1]=arg[i]
+   files.input =files[1]
+   files.output=files[2]
+
+   return progname, options, files
 end
 
-if files < 2 then
-   io.stderr:write('Usage: eps2eps [options] input.eps output.eps\n')
-   os.exit(1)
+
+local function check_files (progname, files) 
+   if #files < 2 then
+      io.stderr:write(usage(progname))
+      os.exit(1)
+   end
 end
 
-command[#command]=nil -- already processed at -sOutputFile
+-- main --
+
+-- parse command line
+local progname, options, file=parse_cmdline()
+
+check_files (progname, file)
+
+-- setup command
+
+local command={}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
+
+push(command, '-q', '-sDEVICE=eps2write')
+
+if os.type=='unix' then push (command, '-sstdout=%stderr') end
+
+push(command, '-sOutputFile='..file.output, '-dNOPAUSE',
+     '-dBATCH', '-P-', '-dSAFER', '-dDEVICEWIDTH=250000', 
+     '-dDEVICEHEIGHT=250000')
+
+push(command, options)
+push(command, file.input)
 
 command=fixwin(command)
 
@@ -63,7 +135,7 @@ command=fixwin(command)
 for i=0, #command do
    print (command[i])
 end
-os.exit(ret)
+os.exit(0)
 --]]
 
 ret=os.spawn(command)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/pdf2dsc.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/pdf2dsc.tlu
index 25921db23ea..5a6cd479a7e 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/pdf2dsc.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/pdf2dsc.tlu
@@ -21,13 +21,22 @@ function fixwin (args_unix)
    end
 end
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
+
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
+      end
+   end
 end
 
-if #arg == 0 or #arg > 2 then
+
+if #arg ~= 2 then
    io.stderr:write('Usage: pdf2dsc input.pdf [output.dsc]\n')
    os.exit(1)
 end
@@ -39,9 +48,14 @@ else
    dscfile=string.gsub(pdffile, '%.%a+$', '.dsc')
 end
 
-command={gs, '-q', '-dNODISPLAY', '-dSAFER', '-dDELAYSAFER',
-	 '-sPDFname='..pdffile, '-sDSCname='..dscfile, 'pdf2dsc.ps',
-	 '-c', 'quit'}
+-- setup command
+
+local command={}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
+
+push(command, '-q', '-dNODISPLAY', '-dSAFER', '-dDELAYSAFER',
+     '-sPDFname='..pdffile, '-sDSCname='..dscfile, 'pdf2dsc.ps',
+     '-c', 'quit')
 
 command=fixwin(command)
 
@@ -49,7 +63,7 @@ command=fixwin(command)
 for i=0, #command do
    print (command[i])
 end
-os.exit(ret)
+os.exit(0)
 --]]
 
 ret=os.spawn(command)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/pdfopt.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/pdfopt.tlu
index d267d55f057..d694047cfff 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/pdfopt.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/pdfopt.tlu
@@ -2,13 +2,24 @@
 --*-Lua-*-
 -- $Id$
 
--- Copyright (C) 2008 Reinhard Kotucha.
+-- Copyright (C) 2008-2015 Reinhard Kotucha.
 -- You may freely use, modify and/or distribute this file.
 
--- Replacement for pdfopt.bat.
--- Linearize PDF
+-- Generic wrapper for ps2pdf{,12,13,14} and pdfopt.
 
-function fixwin (args_unix)
+
+local function usage (progname)
+   local message=
+      'Usage: '..progname..' [options] <inputfile> <outputfile>\n\n'..
+      '       <inputfile> can be either a PS, EPS, or PDF file.\n'..
+      '       A single hyphen (-) denotes stdin.\n\n'..
+      '       <outputfile> is required if <inputfile> is a PDF file\n'..
+      '       or input is read from stdin.\n'
+   return message
+end
+
+
+local function fixwin (args_unix)
    if os.type == 'windows' then
       local args_win={}  -- new table
       args_win[0]=args_unix[1]
@@ -21,43 +32,133 @@ function fixwin (args_unix)
    end
 end
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
+
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
+      end
+   end
+end
+
+
+local function filename (file)
+   -- strip path
+   if string.find(file, '[/\\]') then
+      return string.match(file, '.*[/\\](.*)$')
+   else
+      return file
+   end
+end
+
+
+local function basename (file)
+   -- strip extension
+   return string.match(filename(file), '(.*)%..*')
+end
+
+
+local function extension (file)
+   -- return extension if available, false otherwise.
+   local fn=filename(file)
+   if fn:find('%.') then
+      return string.match(fn, '.*%.(.*)')
+   end
 end
 
-command={gs, '-q', '-dNODISPLAY', '-dSAFER', '-dDELAYSAFER'}
 
-files={}
+local function parse_cmdline ()
+   local files={}
+   local options={}
 
-for i=1, #arg do
-   if string.find(arg[i], '^%-') then
-      command[#command+1]=arg[i]
+   local progname
+   local basename=filename(arg[0])
+   if basename:find('%.') then
+      progname=basename:match('(.*)%..*')
    else
-      files[#files+1]=arg[i]
+      progname=basename
    end
+
+   for i=1, #arg do
+      if string.find(arg[i], '^%-.+') then
+	 push(options, arg[i])
+      else
+	 push(files, arg[i])
+      end
+   end
+   files.input =files[1]
+   files.output=files[2]
+   return progname, options, files
 end
 
-command[#command+1]='--'
-command[#command+1]='pdfopt.ps'
 
-if #files ~= 2 then
-   io.stderr:write('Usage: pdfopt [options] input.pdf output.pdf\n')
-   os.exit(1) 
-else
-   for i=1, #files do
-      command[#command+1]=files[i]
+local function check_files (progname, files, default_output_ext) 
+   if #files < 1 then
+      io.stderr:write(usage(progname))
+      os.exit(1)
+   end
+
+   if #files < 2 then
+      if extension(files.input) then 
+	 local ext=string.lower(extension(files.input))
+	 if ext:match(default_output_ext..'$') then
+	    io.stderr:write('!Error: no output file specified.\n\n')
+	    io.stderr:write(usage(progname))
+	    os.exit(1)
+	 else
+	    files.output=basename(files.input)..'.'..default_output_ext
+	 end
+      else -- the input file has no extension
+	 files.output=files.input..'.'..default_output_ext
+      end
    end
 end
 
+-- main --
+
+-- parse command line
+local progname, options, file=parse_cmdline()
+
+check_files(progname, file, 'pdf')
+
+-- determine PDF level
+local PDF_level='1.4' -- default, may be changed in the future
+if     progname == 'ps2pdf12' then PDF_level='1.2'
+elseif progname == 'ps2pdf13' then PDF_level='1.3'
+elseif progname == 'ps2pdf14' then PDF_level='1.4'
+end
+
+-- setup command
+
+local command={}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
+
+push(command, '-P-', '-dSAFER', options, '-dCompatibilityLevel='..PDF_level)
+
+if progname == 'pdfopt' then push(command, '-dFastWebView=true') end
+
+push(command, '-q', '-P-', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite')
+
+if os.type == 'unix' then push(command, '-sstdout=%stderr') end
+
+push(command, '-sOutputFile='..file.output, '-P-', '-dSAFER')
+
+-- We have to include the options twice because -I only takes effect
+-- if it appears before other options [see ps2pdfwr].
+push(command, options, '-c', '.setpdfwrite', '-f', file.input)
+
 command=fixwin(command)
 
 --[[ prepend an additional hyphen to activate this code
 for i=0, #command do
    print (command[i])
 end
-os.exit(ret)
+os.exit(0)
 --]]
 
 ret=os.spawn(command)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/ps2ascii.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/ps2ascii.tlu
index 2bc31ef26d9..d23c0458ea8 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/ps2ascii.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/ps2ascii.tlu
@@ -2,26 +2,55 @@
 --*-Lua-*-
 -- $Id$
 
--- Copyright (C) 2008 Reinhard Kotucha.
+-- Copyright (C) 2008-2015 Reinhard Kotucha.
 -- You may freely use, modify and/or distribute this file.
 
 -- Replacement for ps2ascii.bat.
--- Convert PostScript to ASCII
-
-function fixwin (args_unix)
-   if os.type == 'windows' then
-      local args_win={}  -- new table
-      args_win[0]=args_unix[1]
-      for i=1, #args_unix do  
-	 args_win[i]='"'..args_unix[i]..'"'
+
+-- Extract ASCII text from a PostScript file.  Usage:
+--
+--	ps2ascii [infile.ps [outfile.txt]]
+--
+-- If outfile is omitted, output goes to stdout.
+-- If both infile and outfile are omitted, ps2ascii acts as a filter,
+-- reading from stdin and writing on stdout.
+
+
+-- We have to pass the command as a string to os.execute() because we
+-- need a shell for i/o-redirection.  But we create a table first and
+-- convert it to a string, just to make sure we don't miss any spaces.
+
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
       end
-      return args_win
+   end
+end
+
+
+local function filename (file)
+   -- strip path
+   if string.find(file, '[/\\]') then
+      return string.match(file, '.*[/\\](.*)$')
    else
-      return args_unix
+      return file
    end
 end
 
-function remove_tmpfiles (tmpfiles)
+
+local function remove_tmpfiles (tmpfiles)
+   -- The shell script contains
+   --
+   --    trap "rm -f _temp_.err _temp_.out" 0 1 2 15
+   --
+   -- texlua doesn't support signals (yet).  So we remove temporary files
+   -- if possible.
    for i=1, #tmpfiles do
       if lfs.isfile(tmpfiles[i]) then
 	 os.remove(tmpfiles[i])
@@ -29,46 +58,71 @@ function remove_tmpfiles (tmpfiles)
    end
 end
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
-end
 
-command={gs, '-q', '-dNODISPLAY', '-dBATCH', '-dSAFER', '-dDELAYBIND', 
-	 '-dWRITESYSTEMDICT', '-dSIMPLE', '-c', 'save', 
-	 '-f', 'ps2ascii.ps'}
+local function parse_cmdline ()
+   local files={}
+   local options={}
 
-if #arg < 2 then
-   if #arg == 0 then
-      command[#command+1]='-'
-   elseif #arg == 1 then
-      command[#command+1]=arg[1]
+   local progname
+   local basename=filename(arg[0])
+   if basename:find('%.') then
+      progname=basename:match('(.*)%..*')
+   else
+      progname=basename
    end
-   command=fixwin(command)
-elseif #arg == 2 then
-   -- We need a shell for I/O redirection.
-   command=gs..' -q -dNODISPLAY -dBATCH -dSAFER -dDELAYBIND '.. 
-      '-dWRITESYSTEMDICT -dSIMPLE -c save '.. 
-      '-f ps2ascii.ps "'..arg[1]..'" > "'..arg[2]..'"'
-end
 
---[[ prepend an additional hyphen to activate this code
-if type(command) == 'string' then
-   print(command)
-else
-   for i=0, #command do
-      print (command[i])
+   for i=1, #arg do
+      if string.find(arg[i], '^%-.+') then
+	 push(options, arg[i])
+      else
+	 push(files, arg[i])
+      end
    end
+   files.input =files[1]
+   files.output=files[2]
+   return progname, options, files
 end
-os.exit(ret)
---]]
 
-if type(command) == 'string' then
-   ret=os.execute(command)
+
+-- main --
+
+local progname, options, files=parse_cmdline ()
+
+-- setup command
+
+local command={gs}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
+
+push(command, {'-q', '-dNODISPLAY', '-P-', '-dSAFER', '-dDELAYBIND',
+	       '-dWRITESYSTEMDICT', '-dSIMPLE'})
+
+push(command, '-c', 'save', '-f', 'ps2ascii.ps')
+
+if #files == 0 then
+   push(command, '-')
 else
-   ret=os.spawn(command)
+   push(command, '"'..files.input..'"')
 end
 
+push(command, '-c', 'quit')
+
+if #files > 1 then
+   push(command, '>', '"'..files.output..'"')
+end
+
+local cmd_string=table.concat(command, ' ')
+
+--[[ prepend an additional hyphen to activate this code
+print(cmd_string)
+os.exit(0)
+--]]
+
+ret=os.execute(cmd_string)
+
+-- The last character of the ASCII file is a form feed (^L).
+-- Uncomment the following line if this confuses your terminal.
+--
+-- if #files < 2 then io.stdout:write('\r') end
+
 remove_tmpfiles{'_temp_.err', '_temp_.out'}
 os.exit(ret)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf.tlu
index 7cb82173cfa..d694047cfff 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf.tlu
@@ -2,13 +2,24 @@
 --*-Lua-*-
 -- $Id$
 
--- Copyright (C) 2008 Reinhard Kotucha.
+-- Copyright (C) 2008-2015 Reinhard Kotucha.
 -- You may freely use, modify and/or distribute this file.
 
--- Replacement for ps2pdf*.bat.
--- Convert PS to PDF
+-- Generic wrapper for ps2pdf{,12,13,14} and pdfopt.
 
-function fixwin (args_unix)
+
+local function usage (progname)
+   local message=
+      'Usage: '..progname..' [options] <inputfile> <outputfile>\n\n'..
+      '       <inputfile> can be either a PS, EPS, or PDF file.\n'..
+      '       A single hyphen (-) denotes stdin.\n\n'..
+      '       <outputfile> is required if <inputfile> is a PDF file\n'..
+      '       or input is read from stdin.\n'
+   return message
+end
+
+
+local function fixwin (args_unix)
    if os.type == 'windows' then
       local args_win={}  -- new table
       args_win[0]=args_unix[1]
@@ -21,7 +32,23 @@ function fixwin (args_unix)
    end
 end
 
-function filename (file)
+
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
+      end
+   end
+end
+
+
+local function filename (file)
+   -- strip path
    if string.find(file, '[/\\]') then
       return string.match(file, '.*[/\\](.*)$')
    else
@@ -29,75 +56,101 @@ function filename (file)
    end
 end
 
-function basename (file)
-   return string.match(filename(file), '(.*)[%.].*')
-end 
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
+local function basename (file)
+   -- strip extension
+   return string.match(filename(file), '(.*)%..*')
 end
 
-command={gs}
-files={}
-options={}
-
-PDF_level='1.4'
-if     string.find(filename(arg[0]), 'ps2pdf12') then
-   PDF_level='1.2'
-elseif string.find(filename(arg[0]), 'ps2pdf13') then
-   PDF_level='1.3'
-elseif string.find(filename(arg[0]), 'ps2pdf14') then
-   PDF_level='1.4'
+
+local function extension (file)
+   -- return extension if available, false otherwise.
+   local fn=filename(file)
+   if fn:find('%.') then
+      return string.match(fn, '.*%.(.*)')
+   end
 end
 
-options[#options+1]='-dCompatibilityLevel='..PDF_level
 
-for i=1, #arg do
-   if arg[i] == '-' then
-      files[#files+1]=arg[i]
-   elseif string.find(arg[i], '^%-') then
-      options[#options+1]=arg[i]
+local function parse_cmdline ()
+   local files={}
+   local options={}
+
+   local progname
+   local basename=filename(arg[0])
+   if basename:find('%.') then
+      progname=basename:match('(.*)%..*')
    else
-      files[#files+1]=arg[i]
+      progname=basename
    end
-end
 
-if #files < 1 or #files > 2 then
-   io.stderr:write('Usage: ps2pdf [options] (input.[e]ps|-) [output.pdf]\n')
-   os.exit(1) 
+   for i=1, #arg do
+      if string.find(arg[i], '^%-.+') then
+	 push(options, arg[i])
+      else
+	 push(files, arg[i])
+      end
+   end
+   files.input =files[1]
+   files.output=files[2]
+   return progname, options, files
 end
 
-if #files == 1 then
-   if files[1] == '-' then
-      outfile='-'
-   elseif string.find(filename(files[1]), '%.[eE]?[pP][sS]$') then
-      outfile=basename(files[1])..'.pdf'
-   else
-      outfile=filename(files[1])..'.pdf'
+
+local function check_files (progname, files, default_output_ext) 
+   if #files < 1 then
+      io.stderr:write(usage(progname))
+      os.exit(1)
    end
-else
-   outfile=files[2]
-end
 
-for i=1, #options do
-   command[#command+1]=options[i]
+   if #files < 2 then
+      if extension(files.input) then 
+	 local ext=string.lower(extension(files.input))
+	 if ext:match(default_output_ext..'$') then
+	    io.stderr:write('!Error: no output file specified.\n\n')
+	    io.stderr:write(usage(progname))
+	    os.exit(1)
+	 else
+	    files.output=basename(files.input)..'.'..default_output_ext
+	 end
+      else -- the input file has no extension
+	 files.output=files.input..'.'..default_output_ext
+      end
+   end
 end
 
-other_opts={'-q', '-dSAFER', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite'}
+-- main --
+
+-- parse command line
+local progname, options, file=parse_cmdline()
+
+check_files(progname, file, 'pdf')
 
-for i=1, #other_opts do
-   command[#command+1]=other_opts[i]
+-- determine PDF level
+local PDF_level='1.4' -- default, may be changed in the future
+if     progname == 'ps2pdf12' then PDF_level='1.2'
+elseif progname == 'ps2pdf13' then PDF_level='1.3'
+elseif progname == 'ps2pdf14' then PDF_level='1.4'
 end
 
-command[#command+1]='-sOutputFile='..outfile
+-- setup command
 
-other_opts={'-c', '.setpdfwrite', '-f', files[1]}
+local command={}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
 
-for i=1, #other_opts do
-   command[#command+1]=other_opts[i]
-end
+push(command, '-P-', '-dSAFER', options, '-dCompatibilityLevel='..PDF_level)
+
+if progname == 'pdfopt' then push(command, '-dFastWebView=true') end
+
+push(command, '-q', '-P-', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite')
+
+if os.type == 'unix' then push(command, '-sstdout=%stderr') end
+
+push(command, '-sOutputFile='..file.output, '-P-', '-dSAFER')
+
+-- We have to include the options twice because -I only takes effect
+-- if it appears before other options [see ps2pdfwr].
+push(command, options, '-c', '.setpdfwrite', '-f', file.input)
 
 command=fixwin(command)
 
@@ -105,7 +158,7 @@ command=fixwin(command)
 for i=0, #command do
    print (command[i])
 end
-os.exit(ret)
+os.exit(0)
 --]]
 
 ret=os.spawn(command)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf12.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf12.tlu
index a35e3b0912a..d694047cfff 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf12.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf12.tlu
@@ -2,13 +2,24 @@
 --*-Lua-*-
 -- $Id$
 
--- Copyright (C) 2008 Reinhard Kotucha.
+-- Copyright (C) 2008-2015 Reinhard Kotucha.
 -- You may freely use, modify and/or distribute this file.
 
--- Replacement for ps2pdf*.bat.
--- Convert PS to PDF
+-- Generic wrapper for ps2pdf{,12,13,14} and pdfopt.
 
-function fixwin (args_unix)
+
+local function usage (progname)
+   local message=
+      'Usage: '..progname..' [options] <inputfile> <outputfile>\n\n'..
+      '       <inputfile> can be either a PS, EPS, or PDF file.\n'..
+      '       A single hyphen (-) denotes stdin.\n\n'..
+      '       <outputfile> is required if <inputfile> is a PDF file\n'..
+      '       or input is read from stdin.\n'
+   return message
+end
+
+
+local function fixwin (args_unix)
    if os.type == 'windows' then
       local args_win={}  -- new table
       args_win[0]=args_unix[1]
@@ -21,7 +32,23 @@ function fixwin (args_unix)
    end
 end
 
-function filename (file)
+
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
+      end
+   end
+end
+
+
+local function filename (file)
+   -- strip path
    if string.find(file, '[/\\]') then
       return string.match(file, '.*[/\\](.*)$')
    else
@@ -29,75 +56,101 @@ function filename (file)
    end
 end
 
-function basename (file)
-   return string.match(filename(file), '(.*)[%.].*')
-end 
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
+local function basename (file)
+   -- strip extension
+   return string.match(filename(file), '(.*)%..*')
 end
 
-command={gs}
-files={}
-options={}
-
-PDF_level='1.4'
-if     string.find(filename(arg[0]), 'ps2pdf12') then
-   PDF_level='1.2'
-elseif string.find(filename(arg[0]), 'ps2pdf13') then
-   PDF_level='1.3'
-elseif string.find(filename(arg[0]), 'ps2pdf14') then
-   PDF_level='1.4'
+
+local function extension (file)
+   -- return extension if available, false otherwise.
+   local fn=filename(file)
+   if fn:find('%.') then
+      return string.match(fn, '.*%.(.*)')
+   end
 end
 
-options[#options+1]='-dCompatibilityLevel='..PDF_level
 
-for i=1, #arg do
-   if arg[i] == '-' then
-      files[#files+1]=arg[i]
-   elseif string.find(arg[i], '^%-') then
-      options[#options+1]=arg[i]
+local function parse_cmdline ()
+   local files={}
+   local options={}
+
+   local progname
+   local basename=filename(arg[0])
+   if basename:find('%.') then
+      progname=basename:match('(.*)%..*')
    else
-      files[#files+1]=arg[i]
+      progname=basename
    end
-end
 
-if #files < 1 or #files > 2 then
-   io.stderr:write('Usage: ps2pdf [options] (input.[e]ps|-) [output.pdf]\n')
-   os.exit(1)
+   for i=1, #arg do
+      if string.find(arg[i], '^%-.+') then
+	 push(options, arg[i])
+      else
+	 push(files, arg[i])
+      end
+   end
+   files.input =files[1]
+   files.output=files[2]
+   return progname, options, files
 end
 
-if #files == 1 then
-   if files[1] == '-' then
-      outfile='-'
-   elseif string.find(filename(files[1]), '%.[eE]?[pP][sS]$') then
-      outfile=basename(files[1])..'.pdf'
-   else
-      outfile=filename(files[1])..'.pdf'
+
+local function check_files (progname, files, default_output_ext) 
+   if #files < 1 then
+      io.stderr:write(usage(progname))
+      os.exit(1)
    end
-else
-   outfile=files[2]
-end
 
-for i=1, #options do
-   command[#command+1]=options[i]
+   if #files < 2 then
+      if extension(files.input) then 
+	 local ext=string.lower(extension(files.input))
+	 if ext:match(default_output_ext..'$') then
+	    io.stderr:write('!Error: no output file specified.\n\n')
+	    io.stderr:write(usage(progname))
+	    os.exit(1)
+	 else
+	    files.output=basename(files.input)..'.'..default_output_ext
+	 end
+      else -- the input file has no extension
+	 files.output=files.input..'.'..default_output_ext
+      end
+   end
 end
 
-other_opts={'-q', '-dSAFER', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite'}
+-- main --
+
+-- parse command line
+local progname, options, file=parse_cmdline()
+
+check_files(progname, file, 'pdf')
 
-for i=1, #other_opts do
-   command[#command+1]=other_opts[i]
+-- determine PDF level
+local PDF_level='1.4' -- default, may be changed in the future
+if     progname == 'ps2pdf12' then PDF_level='1.2'
+elseif progname == 'ps2pdf13' then PDF_level='1.3'
+elseif progname == 'ps2pdf14' then PDF_level='1.4'
 end
 
-command[#command+1]='-sOutputFile='..outfile
+-- setup command
 
-other_opts={'-c', '.setpdfwrite', '-f', files[1]}
+local command={}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
 
-for i=1, #other_opts do
-   command[#command+1]=other_opts[i]
-end
+push(command, '-P-', '-dSAFER', options, '-dCompatibilityLevel='..PDF_level)
+
+if progname == 'pdfopt' then push(command, '-dFastWebView=true') end
+
+push(command, '-q', '-P-', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite')
+
+if os.type == 'unix' then push(command, '-sstdout=%stderr') end
+
+push(command, '-sOutputFile='..file.output, '-P-', '-dSAFER')
+
+-- We have to include the options twice because -I only takes effect
+-- if it appears before other options [see ps2pdfwr].
+push(command, options, '-c', '.setpdfwrite', '-f', file.input)
 
 command=fixwin(command)
 
@@ -105,7 +158,7 @@ command=fixwin(command)
 for i=0, #command do
    print (command[i])
 end
-os.exit(ret)
+os.exit(0)
 --]]
 
 ret=os.spawn(command)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf13.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf13.tlu
index a35e3b0912a..d694047cfff 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf13.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf13.tlu
@@ -2,13 +2,24 @@
 --*-Lua-*-
 -- $Id$
 
--- Copyright (C) 2008 Reinhard Kotucha.
+-- Copyright (C) 2008-2015 Reinhard Kotucha.
 -- You may freely use, modify and/or distribute this file.
 
--- Replacement for ps2pdf*.bat.
--- Convert PS to PDF
+-- Generic wrapper for ps2pdf{,12,13,14} and pdfopt.
 
-function fixwin (args_unix)
+
+local function usage (progname)
+   local message=
+      'Usage: '..progname..' [options] <inputfile> <outputfile>\n\n'..
+      '       <inputfile> can be either a PS, EPS, or PDF file.\n'..
+      '       A single hyphen (-) denotes stdin.\n\n'..
+      '       <outputfile> is required if <inputfile> is a PDF file\n'..
+      '       or input is read from stdin.\n'
+   return message
+end
+
+
+local function fixwin (args_unix)
    if os.type == 'windows' then
       local args_win={}  -- new table
       args_win[0]=args_unix[1]
@@ -21,7 +32,23 @@ function fixwin (args_unix)
    end
 end
 
-function filename (file)
+
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
+      end
+   end
+end
+
+
+local function filename (file)
+   -- strip path
    if string.find(file, '[/\\]') then
       return string.match(file, '.*[/\\](.*)$')
    else
@@ -29,75 +56,101 @@ function filename (file)
    end
 end
 
-function basename (file)
-   return string.match(filename(file), '(.*)[%.].*')
-end 
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
+local function basename (file)
+   -- strip extension
+   return string.match(filename(file), '(.*)%..*')
 end
 
-command={gs}
-files={}
-options={}
-
-PDF_level='1.4'
-if     string.find(filename(arg[0]), 'ps2pdf12') then
-   PDF_level='1.2'
-elseif string.find(filename(arg[0]), 'ps2pdf13') then
-   PDF_level='1.3'
-elseif string.find(filename(arg[0]), 'ps2pdf14') then
-   PDF_level='1.4'
+
+local function extension (file)
+   -- return extension if available, false otherwise.
+   local fn=filename(file)
+   if fn:find('%.') then
+      return string.match(fn, '.*%.(.*)')
+   end
 end
 
-options[#options+1]='-dCompatibilityLevel='..PDF_level
 
-for i=1, #arg do
-   if arg[i] == '-' then
-      files[#files+1]=arg[i]
-   elseif string.find(arg[i], '^%-') then
-      options[#options+1]=arg[i]
+local function parse_cmdline ()
+   local files={}
+   local options={}
+
+   local progname
+   local basename=filename(arg[0])
+   if basename:find('%.') then
+      progname=basename:match('(.*)%..*')
    else
-      files[#files+1]=arg[i]
+      progname=basename
    end
-end
 
-if #files < 1 or #files > 2 then
-   io.stderr:write('Usage: ps2pdf [options] (input.[e]ps|-) [output.pdf]\n')
-   os.exit(1)
+   for i=1, #arg do
+      if string.find(arg[i], '^%-.+') then
+	 push(options, arg[i])
+      else
+	 push(files, arg[i])
+      end
+   end
+   files.input =files[1]
+   files.output=files[2]
+   return progname, options, files
 end
 
-if #files == 1 then
-   if files[1] == '-' then
-      outfile='-'
-   elseif string.find(filename(files[1]), '%.[eE]?[pP][sS]$') then
-      outfile=basename(files[1])..'.pdf'
-   else
-      outfile=filename(files[1])..'.pdf'
+
+local function check_files (progname, files, default_output_ext) 
+   if #files < 1 then
+      io.stderr:write(usage(progname))
+      os.exit(1)
    end
-else
-   outfile=files[2]
-end
 
-for i=1, #options do
-   command[#command+1]=options[i]
+   if #files < 2 then
+      if extension(files.input) then 
+	 local ext=string.lower(extension(files.input))
+	 if ext:match(default_output_ext..'$') then
+	    io.stderr:write('!Error: no output file specified.\n\n')
+	    io.stderr:write(usage(progname))
+	    os.exit(1)
+	 else
+	    files.output=basename(files.input)..'.'..default_output_ext
+	 end
+      else -- the input file has no extension
+	 files.output=files.input..'.'..default_output_ext
+      end
+   end
 end
 
-other_opts={'-q', '-dSAFER', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite'}
+-- main --
+
+-- parse command line
+local progname, options, file=parse_cmdline()
+
+check_files(progname, file, 'pdf')
 
-for i=1, #other_opts do
-   command[#command+1]=other_opts[i]
+-- determine PDF level
+local PDF_level='1.4' -- default, may be changed in the future
+if     progname == 'ps2pdf12' then PDF_level='1.2'
+elseif progname == 'ps2pdf13' then PDF_level='1.3'
+elseif progname == 'ps2pdf14' then PDF_level='1.4'
 end
 
-command[#command+1]='-sOutputFile='..outfile
+-- setup command
 
-other_opts={'-c', '.setpdfwrite', '-f', files[1]}
+local command={}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
 
-for i=1, #other_opts do
-   command[#command+1]=other_opts[i]
-end
+push(command, '-P-', '-dSAFER', options, '-dCompatibilityLevel='..PDF_level)
+
+if progname == 'pdfopt' then push(command, '-dFastWebView=true') end
+
+push(command, '-q', '-P-', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite')
+
+if os.type == 'unix' then push(command, '-sstdout=%stderr') end
+
+push(command, '-sOutputFile='..file.output, '-P-', '-dSAFER')
+
+-- We have to include the options twice because -I only takes effect
+-- if it appears before other options [see ps2pdfwr].
+push(command, options, '-c', '.setpdfwrite', '-f', file.input)
 
 command=fixwin(command)
 
@@ -105,7 +158,7 @@ command=fixwin(command)
 for i=0, #command do
    print (command[i])
 end
-os.exit(ret)
+os.exit(0)
 --]]
 
 ret=os.spawn(command)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf14.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf14.tlu
index a35e3b0912a..d694047cfff 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf14.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/ps2pdf14.tlu
@@ -2,13 +2,24 @@
 --*-Lua-*-
 -- $Id$
 
--- Copyright (C) 2008 Reinhard Kotucha.
+-- Copyright (C) 2008-2015 Reinhard Kotucha.
 -- You may freely use, modify and/or distribute this file.
 
--- Replacement for ps2pdf*.bat.
--- Convert PS to PDF
+-- Generic wrapper for ps2pdf{,12,13,14} and pdfopt.
 
-function fixwin (args_unix)
+
+local function usage (progname)
+   local message=
+      'Usage: '..progname..' [options] <inputfile> <outputfile>\n\n'..
+      '       <inputfile> can be either a PS, EPS, or PDF file.\n'..
+      '       A single hyphen (-) denotes stdin.\n\n'..
+      '       <outputfile> is required if <inputfile> is a PDF file\n'..
+      '       or input is read from stdin.\n'
+   return message
+end
+
+
+local function fixwin (args_unix)
    if os.type == 'windows' then
       local args_win={}  -- new table
       args_win[0]=args_unix[1]
@@ -21,7 +32,23 @@ function fixwin (args_unix)
    end
 end
 
-function filename (file)
+
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
+      end
+   end
+end
+
+
+local function filename (file)
+   -- strip path
    if string.find(file, '[/\\]') then
       return string.match(file, '.*[/\\](.*)$')
    else
@@ -29,75 +56,101 @@ function filename (file)
    end
 end
 
-function basename (file)
-   return string.match(filename(file), '(.*)[%.].*')
-end 
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
+local function basename (file)
+   -- strip extension
+   return string.match(filename(file), '(.*)%..*')
 end
 
-command={gs}
-files={}
-options={}
-
-PDF_level='1.4'
-if     string.find(filename(arg[0]), 'ps2pdf12') then
-   PDF_level='1.2'
-elseif string.find(filename(arg[0]), 'ps2pdf13') then
-   PDF_level='1.3'
-elseif string.find(filename(arg[0]), 'ps2pdf14') then
-   PDF_level='1.4'
+
+local function extension (file)
+   -- return extension if available, false otherwise.
+   local fn=filename(file)
+   if fn:find('%.') then
+      return string.match(fn, '.*%.(.*)')
+   end
 end
 
-options[#options+1]='-dCompatibilityLevel='..PDF_level
 
-for i=1, #arg do
-   if arg[i] == '-' then
-      files[#files+1]=arg[i]
-   elseif string.find(arg[i], '^%-') then
-      options[#options+1]=arg[i]
+local function parse_cmdline ()
+   local files={}
+   local options={}
+
+   local progname
+   local basename=filename(arg[0])
+   if basename:find('%.') then
+      progname=basename:match('(.*)%..*')
    else
-      files[#files+1]=arg[i]
+      progname=basename
    end
-end
 
-if #files < 1 or #files > 2 then
-   io.stderr:write('Usage: ps2pdf [options] (input.[e]ps|-) [output.pdf]\n')
-   os.exit(1)
+   for i=1, #arg do
+      if string.find(arg[i], '^%-.+') then
+	 push(options, arg[i])
+      else
+	 push(files, arg[i])
+      end
+   end
+   files.input =files[1]
+   files.output=files[2]
+   return progname, options, files
 end
 
-if #files == 1 then
-   if files[1] == '-' then
-      outfile='-'
-   elseif string.find(filename(files[1]), '%.[eE]?[pP][sS]$') then
-      outfile=basename(files[1])..'.pdf'
-   else
-      outfile=filename(files[1])..'.pdf'
+
+local function check_files (progname, files, default_output_ext) 
+   if #files < 1 then
+      io.stderr:write(usage(progname))
+      os.exit(1)
    end
-else
-   outfile=files[2]
-end
 
-for i=1, #options do
-   command[#command+1]=options[i]
+   if #files < 2 then
+      if extension(files.input) then 
+	 local ext=string.lower(extension(files.input))
+	 if ext:match(default_output_ext..'$') then
+	    io.stderr:write('!Error: no output file specified.\n\n')
+	    io.stderr:write(usage(progname))
+	    os.exit(1)
+	 else
+	    files.output=basename(files.input)..'.'..default_output_ext
+	 end
+      else -- the input file has no extension
+	 files.output=files.input..'.'..default_output_ext
+      end
+   end
 end
 
-other_opts={'-q', '-dSAFER', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite'}
+-- main --
+
+-- parse command line
+local progname, options, file=parse_cmdline()
+
+check_files(progname, file, 'pdf')
 
-for i=1, #other_opts do
-   command[#command+1]=other_opts[i]
+-- determine PDF level
+local PDF_level='1.4' -- default, may be changed in the future
+if     progname == 'ps2pdf12' then PDF_level='1.2'
+elseif progname == 'ps2pdf13' then PDF_level='1.3'
+elseif progname == 'ps2pdf14' then PDF_level='1.4'
 end
 
-command[#command+1]='-sOutputFile='..outfile
+-- setup command
 
-other_opts={'-c', '.setpdfwrite', '-f', files[1]}
+local command={}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
 
-for i=1, #other_opts do
-   command[#command+1]=other_opts[i]
-end
+push(command, '-P-', '-dSAFER', options, '-dCompatibilityLevel='..PDF_level)
+
+if progname == 'pdfopt' then push(command, '-dFastWebView=true') end
+
+push(command, '-q', '-P-', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite')
+
+if os.type == 'unix' then push(command, '-sstdout=%stderr') end
+
+push(command, '-sOutputFile='..file.output, '-P-', '-dSAFER')
+
+-- We have to include the options twice because -I only takes effect
+-- if it appears before other options [see ps2pdfwr].
+push(command, options, '-c', '.setpdfwrite', '-f', file.input)
 
 command=fixwin(command)
 
@@ -105,7 +158,7 @@ command=fixwin(command)
 for i=0, #command do
    print (command[i])
 end
-os.exit(ret)
+os.exit(0)
 --]]
 
 ret=os.spawn(command)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/ps2ps.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/ps2ps.tlu
index 2d414700ebb..063fc76d0cc 100755
--- a/Master/texmf-dist/scripts/tlgs/gswin32/ps2ps.tlu
+++ b/Master/texmf-dist/scripts/tlgs/gswin32/ps2ps.tlu
@@ -5,8 +5,21 @@
 -- Copyright (C) 2010 Reinhard Kotucha.
 -- You may freely use, modify and/or distribute this file.
 
--- Replacement for ps2ps.bat.
--- 'Distill' PostScript.
+-- Replacement for ps2ps2.bat.
+-- Converting PostScript 3 or PDF into PostScript 2 with the
+-- Ghostscript 'ps2write' device.
+-- This generates a PDF-style stream with an attached 
+-- PostScript program to interpret it.
+
+
+local function usage (progname)
+   local message=
+      'Usage: '..progname..' [options] <inputfile> <outputfile>\n\n'..
+      '       <inputfile> can be either a PS, EPS, PDF file, or stdin.\n'..
+      '       A single hyphen (-) denotes stdin.\n'
+   return message
+end
+
 
 function fixwin(args_unix)
    if os.type == 'windows' then
@@ -21,47 +34,97 @@ function fixwin(args_unix)
    end
 end
 
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
-end
 
+local function push (t, ...)
+   local args={...}
+   for _,v in ipairs(args) do
+      if type(v) == 'table' then
+	 for _,x in ipairs(v) do
+	    t[#t+1]=x
+	 end
+      else
+	 t[#t+1]=v
+      end
+   end
+end
 
-files={}
-options={'-dNOPAUSE', '-dBATCH', '-dSAFER'}
 
-for i=1, #arg do
-   if string.find(arg[i], '^%-$') then
-      files[#files+1]=arg[i]
-   elseif string.find(arg[i], '^%-') then
-      options[#options+1]=arg[i]
+local function filename (file)
+   -- strip path
+   if string.find(file, '[/\\]') then
+      return string.match(file, '.*[/\\](.*)$')
    else
-      files[#files+1]=arg[i]
+      return file
    end
 end
 
 
-if #files ~= 2 then
-   io.stderr:write('Usage: ps2ps [options] input.ps output.ps\n')
-   io.stderr:write('  e.g. ps2ps -sPAPERSIZE=a4 input.ps output.ps\n')
-   os.exit(1)
+local function basename (file)
+   -- strip extension
+   return string.match(filename(file), '(.*)%..*')
 end
 
 
-command={gs, '-q', '-sDEVICE=pswrite'}
+local function extension (file)
+   -- return extension if available, false otherwise.
+   local fn=filename(file)
+   if fn:find('%.') then
+      return string.match(fn, '.*%.(.*)')
+   end
+end
+
+
+local function parse_cmdline ()
+   local files={}
+   local options={}
+
+   local progname
+   local basename=filename(arg[0])
+   if basename:find('%.') then
+      progname=basename:match('(.*)%..*')
+   else
+      progname=basename
+   end
 
-if os.type=='unix' then
-   command[#command+1]='-sstdout=%stderr'
+   for i=1, #arg do
+      if string.find(arg[i], '^%-.+') then
+	 push(options, arg[i])
+      else
+	 push(files, arg[i])
+      end
+   end
+   files.input =files[1]
+   files.output=files[2]
+   
+   return progname, options, files
 end
 
-command[#command+1]='-sOutputFile='..files[2] 
 
-for i=1, #options do
-   command[#command+1]=options[i]
+local function check_files (progname, files) 
+   if #files < 2 then
+      io.stderr:write(usage(progname))
+      os.exit(1)
+   end
 end
 
-command[#command+1]=files[1]
+-- main --
+
+local progname, options, file=parse_cmdline()
+
+check_files (progname, file)
+
+-- setup command
+
+local command={}
+if os.type == 'unix' then command={'gs'} else command={'gswin32c'} end
+
+push(command, '-q', '-sDEVICE=ps2write')
+
+if os.type=='unix' then push(command, '-sstdout=%stderr') end
+
+push(command, '-sOutputFile='..file.output)
+push(command, '-dNOPAUSE', '-dBATCH', '-P-', '-dSAFER')
+push(command, options, file.input)
 
 command=fixwin(command)
 
@@ -69,7 +132,7 @@ command=fixwin(command)
 for i=0, #command do
    print (command[i])
 end
-os.exit(ret)
+os.exit(0)
 --]]
 
 ret=os.spawn(command)
diff --git a/Master/texmf-dist/scripts/tlgs/gswin32/ps2ps2.tlu b/Master/texmf-dist/scripts/tlgs/gswin32/ps2ps2.tlu
deleted file mode 100755
index 5fa86abf0d2..00000000000
--- a/Master/texmf-dist/scripts/tlgs/gswin32/ps2ps2.tlu
+++ /dev/null
@@ -1,79 +0,0 @@
-#!/usr/bin/env texlua
---*-Lua-*-
--- $Id$
-
--- Copyright (C) 2010 Reinhard Kotucha.
--- You may freely use, modify and/or distribute this file.
-
--- Replacement for ps2ps2.bat.
--- Converting PostScript 3 or PDF into PostScript 2 with the
--- Ghostscript 'ps2write' device.
--- This generates a PDF-style stream with an attached 
--- PostScript program to interpret it.
-
-function fixwin(args_unix)
-   if os.type == 'windows' then
-      local args_win={}  -- new table
-      args_win[0]=args_unix[1]
-      for i=1, #args_unix do  
-	 args_win[i]='"'..args_unix[i]..'"'
-      end
-      return args_win
-   else
-      return args_unix
-   end
-end
-
-if os.type == 'windows' then
-   gs='gswin32c'
-else
-   gs='gs'
-end
-
-
-files={}
-options={'-dNOPAUSE', '-dBATCH', '-dSAFER'}
-
-for i=1, #arg do
-   if string.find(arg[i], '^%-$') then
-      files[#files+1]=arg[i]
-   elseif string.find(arg[i], '^%-') then
-      options[#options+1]=arg[i]
-   else
-      files[#files+1]=arg[i]
-   end
-end
-
-
-if #files ~= 2 then
-   io.stderr:write('Usage: ps2ps2 [options] input.ps output.ps\n')
-   io.stderr:write('  e.g. ps2ps2 -sPAPERSIZE=a4 input.ps output.ps\n')
-   os.exit(1)
-end
-
-
-command={gs, '-q', '-sDEVICE=ps2write'}
-
-if os.type=='unix' then
-   command[#command+1]='-sstdout=%stderr'
-end
-
-command[#command+1]='-sOutputFile='..files[2] 
-
-for i=1, #options do
-   command[#command+1]=options[i]
-end
-
-command[#command+1]=files[1]
-
-command=fixwin(command)
-
---[[ prepend an additional hyphen to activate this code
-for i=0, #command do
-   print (command[i])
-end
-os.exit(ret)
---]]
-
-ret=os.spawn(command)
-os.exit(ret)