Moved gs texlua files to texmf/scripts/texlive/gswin32 and replaced

them by .bat files.  Made all .bat files executable, required by rsync
on Windows.  Updated gs sources.


git-svn-id: svn://tug.org/texlive/trunk@7988 c570f23f-e606-0410-a88d-b1316a301751

8 files changed, 804 insertions, 0 deletions

diff --git a/Master/texmf/scripts/texlive/gswin32/eps2eps.tlu b/Master/texmf/scripts/texlive/gswin32/eps2eps.tlu
new file mode 100755
index 00000000000..e2295094ed3
--- /dev/null
+++ b/Master/texmf/scripts/texlive/gswin32/eps2eps.tlu
@@ -0,0 +1,64 @@
+#!/usr/bin/env texlua
+--*-Lua-*-
+-- $Id$
+
+-- Copyright (C) 2008 Reinhard Kotucha.
+-- You may freely use, modify and/or distribute this file.
+
+-- Replacement for eps2eps.bat.
+-- 'Distill' Encapsulated PostScript.
+
+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
+
+kpse.set_program_name('eps2eps.texlua', 'eps2eps')
+
+TEXDIR=kpse.var_value('SELFAUTOPARENT')
+
+if os.type == 'windows' then
+   os.setenv('GS_LIB', TEXDIR..'/tlpkg/tlgs/lib;'..TEXDIR..'/tlpkg/tlgs/fonts')
+   os.setenv('PATH', TEXDIR..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
+   gs='gswin32c'
+else
+   gs='gs'
+end
+
+command={gs, '-q', '-sDEVICE=epswrite', '-dNOPAUSE',
+	 '-sOutputFile='..arg[#arg], '-dBATCH', '-dSAFER', 
+	 '-dDEVICEWIDTH=250000', '-dDEVICEHEIGHT=250000'}
+
+files=0
+
+for i=1, #arg do
+   if not string.find(arg[i], '^-') then
+      files=files+1
+   end
+   command[#command+1]=arg[i]
+end
+
+if files < 2 then
+   io.stderr:write('Usage: eps2eps [options] input.eps output.eps')
+   os.exit(0) 
+end
+
+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)
diff --git a/Master/texmf/scripts/texlive/gswin32/pdf2dsc.tlu b/Master/texmf/scripts/texlive/gswin32/pdf2dsc.tlu
new file mode 100755
index 00000000000..1f536a5ba31
--- /dev/null
+++ b/Master/texmf/scripts/texlive/gswin32/pdf2dsc.tlu
@@ -0,0 +1,62 @@
+#!/usr/bin/env texlua
+--*-Lua-*-
+-- $Id$
+
+-- Copyright (C) 2007 Reinhard Kotucha.
+-- You may freely use, modify and/or distribute this file.
+
+-- Replacement for pdf2dsc.bat.
+-- Convert PDF to DSC
+
+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
+
+kpse.set_program_name('pdf2dsc.texlua', 'pdf2dsc')
+
+TEXDIR=kpse.var_value('SELFAUTOPARENT')
+
+if os.type == 'windows' then
+   os.setenv('GS_LIB', TEXDIR..'/tlpkg/tlgs/lib;'..TEXDIR..'/tlpkg/tlgs/fonts')
+   os.setenv('PATH', TEXDIR..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
+   gs='gswin32c'
+else
+   gs='gs'
+end
+
+if #arg == 0 or #arg > 2 then
+   io.stderr:write('Usage: pdf2dsc input.pdf [output.dsc]\n')
+   os.exit(0) 
+end
+
+pdffile=arg[1]
+if #arg==2 then
+   dscfile=arg[2]
+else
+   dscfile=select(1, string.gsub(pdffile, '\.%a+$', '.dsc'))
+end
+
+command={gs, '-q', '-dNODISPLAY', '-dSAFER', '-dDELAYSAFER',
+	 '-sPDFname='..pdffile, '-sDSCname='..dscfile, 'pdf2dsc.ps',
+	 '-c', 'quit'}
+
+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)
diff --git a/Master/texmf/scripts/texlive/gswin32/pdfopt.tlu b/Master/texmf/scripts/texlive/gswin32/pdfopt.tlu
new file mode 100755
index 00000000000..48b6cc2ffc4
--- /dev/null
+++ b/Master/texmf/scripts/texlive/gswin32/pdfopt.tlu
@@ -0,0 +1,70 @@
+#!/usr/bin/env texlua
+--*-Lua-*-
+-- $Id$
+
+-- Copyright (C) 2008 Reinhard Kotucha.
+-- You may freely use, modify and/or distribute this file.
+
+-- Replacement for pdfopt.bat.
+-- Linearize PDF
+
+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
+
+kpse.set_program_name('pdfopt.texlua', 'pdfopt')
+
+TEXDIR=kpse.var_value('SELFAUTOPARENT')
+
+if os.type == 'windows' then
+   os.setenv('GS_LIB', TEXDIR..'/tlpkg/tlgs/lib;'..TEXDIR..'/tlpkg/tlgs/fonts')
+   os.setenv('PATH', TEXDIR..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
+   gs='gswin32c'
+else
+   gs='gs'
+end
+
+command={gs, '-q', '-dNODISPLAY', '-dSAFER', '-dDELAYSAFER'}
+
+files={}
+
+for i=1, #arg do
+   if string.find(arg[i], '^-') then
+      command[#command+1]=arg[i]
+   else
+      files[#files+1]=arg[i]
+   end
+end
+
+command[#command+1]='--'
+command[#command+1]='pdfopt.ps'
+
+if #files ~= 2 then
+   io.stderr:write('Usage: pdfopt [options] input.pdf output.pdf')
+   os.exit(0) 
+else
+   for i=1, #files do
+      command[#command+1]=files[i]
+   end
+end
+
+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)
diff --git a/Master/texmf/scripts/texlive/gswin32/ps2ascii.tlu b/Master/texmf/scripts/texlive/gswin32/ps2ascii.tlu
new file mode 100755
index 00000000000..4ac076148fc
--- /dev/null
+++ b/Master/texmf/scripts/texlive/gswin32/ps2ascii.tlu
@@ -0,0 +1,80 @@
+#!/usr/bin/env texlua
+--*-Lua-*-
+-- $Id$
+
+-- Copyright (C) 2008 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]..'"'
+      end
+      return args_win
+   else
+      return args_unix
+   end
+end
+
+function remove_tmpfiles (tmpfiles)
+   for i=1, #tmpfiles do
+      if lfs.isfile(tmpfiles[i]) then
+	 os.remove(tmpfiles[i])
+      end
+   end
+end
+
+kpse.set_program_name('ps2ascii.texlua', 'ps2ascii')
+
+TEXDIR=kpse.var_value('SELFAUTOPARENT')
+
+if os.type == 'windows' then
+   os.setenv('GS_LIB', TEXDIR..'/tlpkg/tlgs/lib;'..TEXDIR..'/tlpkg/tlgs/fonts')
+   os.setenv('PATH', TEXDIR..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
+   gs='gswin32c'
+else
+   gs='gs'
+end
+
+command={gs, '-q', '-dNODISPLAY', '-dBATCH', '-dSAFER', '-dDELAYBIND', 
+	 '-dWRITESYSTEMDICT', '-dSIMPLE', 'ps2ascii.ps', '-c', 'save', 
+	 '-f', 'ps2ascii.ps'}
+
+if #arg < 2 then
+   if #arg == 0 then
+      command[#command+1]='-'
+   elseif #arg == 1 then
+      command[#command+1]=arg[1]
+   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 ps2ascii.ps -c save'.. 
+      '-f ps2ascii.ps > "'..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])
+   end
+end
+os.exit(ret)
+--]]
+
+if type(command) == 'string' then
+   ret=os.execute(command)
+else
+   ret=os.spawn(command)
+end
+
+remove_tmpfiles{'_temp_.err', '_temp_.out'}
+os.exit(ret)
diff --git a/Master/texmf/scripts/texlive/gswin32/ps2pdf.tlu b/Master/texmf/scripts/texlive/gswin32/ps2pdf.tlu
new file mode 100755
index 00000000000..6ccff9f8556
--- /dev/null
+++ b/Master/texmf/scripts/texlive/gswin32/ps2pdf.tlu
@@ -0,0 +1,132 @@
+#!/usr/bin/env texlua
+--*-Lua-*-
+-- $Id$
+
+-- Copyright (C) 2008 Reinhard Kotucha.
+-- You may freely use, modify and/or distribute this file.
+
+-- Replacement for ps2pdf*.bat.
+-- Convert PS to PDF
+
+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
+
+function filename (file)
+   local filename
+   if string.find(file, '/') then -- UNIX path
+      filename=select(1, string.gsub(file, '.*/', ''))
+   elseif string.find(file, '\\') then -- Windows path
+      filename=select(1, string.gsub(file, '.*\\', ''))
+   else -- no path
+      filename=file
+   end
+   return(filename)
+end
+
+function basename (file)
+   local basename
+   local fname
+   fname=filename (file)
+   basename=select(1, string.gsub(fname, '\.%a+$', ''))
+   return(basename)
+end
+
+kpse.set_program_name('ps2pdf.texlua', 'ps2pdf')
+
+TEXDIR=kpse.var_value('SELFAUTOPARENT')
+
+if os.type == 'windows' then
+   os.setenv('GS_LIB', TEXDIR..'/tlpkg/tlgs/lib;'..TEXDIR..'/tlpkg/tlgs/fonts')
+   os.setenv('PATH', TEXDIR..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
+   gs='gswin32c'
+else
+   gs='gs'
+end
+
+command={gs}
+files={}
+options={}
+
+PDF_level='1.4'
+if string.find(basename(arg[0]), '12') then
+   PDF_level='1.2'
+elseif string.find(basename(arg[0]), '13') then
+   PDF_level='1.3'
+elseif string.find(basename(arg[0]), '14') then
+   PDF_level='1.4'
+end
+
+options[#options+1]='-dCompatibilityLevel='..PDF_level
+
+for i=1, #arg do
+   if string.find(arg[i], '^-$') 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 == 1 then
+   if string.find(files[1], '^-$') then
+      outfile='-'
+   elseif string.find(filename(files[1]), '\.e*ps$') then
+      outfile=basename(files[1])..'.pdf'
+   else
+      outfile=filename(files[1])..'.pdf'
+   end
+else
+   outfile=files[2]
+end
+
+for i=1, #options do
+   command[#command+1]=options[i]
+end
+
+other_opts={'-q', '-dSAFER', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite'}
+
+for i=1, #other_opts do
+   command[#command+1]=other_opts[i]
+end
+
+command[#command+1]='-sOutputFile="'..outfile..'"'
+
+for i=1, #options do
+   command[#command+1]=options[i]
+end
+
+if #files < 1 or #files > 2 then
+   io.stderr:write('Usage: ps2pdf [options] (input.[e]ps|-) [output.pdf]\n')
+   os.exit(0) 
+end
+
+
+
+other_opts={'-c', '.setpdfwrite', '-f', files[1]}
+
+for i=1, #other_opts do
+   command[#command+1]=other_opts[i]
+end
+
+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)
diff --git a/Master/texmf/scripts/texlive/gswin32/ps2pdf12.tlu b/Master/texmf/scripts/texlive/gswin32/ps2pdf12.tlu
new file mode 100755
index 00000000000..6ccff9f8556
--- /dev/null
+++ b/Master/texmf/scripts/texlive/gswin32/ps2pdf12.tlu
@@ -0,0 +1,132 @@
+#!/usr/bin/env texlua
+--*-Lua-*-
+-- $Id$
+
+-- Copyright (C) 2008 Reinhard Kotucha.
+-- You may freely use, modify and/or distribute this file.
+
+-- Replacement for ps2pdf*.bat.
+-- Convert PS to PDF
+
+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
+
+function filename (file)
+   local filename
+   if string.find(file, '/') then -- UNIX path
+      filename=select(1, string.gsub(file, '.*/', ''))
+   elseif string.find(file, '\\') then -- Windows path
+      filename=select(1, string.gsub(file, '.*\\', ''))
+   else -- no path
+      filename=file
+   end
+   return(filename)
+end
+
+function basename (file)
+   local basename
+   local fname
+   fname=filename (file)
+   basename=select(1, string.gsub(fname, '\.%a+$', ''))
+   return(basename)
+end
+
+kpse.set_program_name('ps2pdf.texlua', 'ps2pdf')
+
+TEXDIR=kpse.var_value('SELFAUTOPARENT')
+
+if os.type == 'windows' then
+   os.setenv('GS_LIB', TEXDIR..'/tlpkg/tlgs/lib;'..TEXDIR..'/tlpkg/tlgs/fonts')
+   os.setenv('PATH', TEXDIR..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
+   gs='gswin32c'
+else
+   gs='gs'
+end
+
+command={gs}
+files={}
+options={}
+
+PDF_level='1.4'
+if string.find(basename(arg[0]), '12') then
+   PDF_level='1.2'
+elseif string.find(basename(arg[0]), '13') then
+   PDF_level='1.3'
+elseif string.find(basename(arg[0]), '14') then
+   PDF_level='1.4'
+end
+
+options[#options+1]='-dCompatibilityLevel='..PDF_level
+
+for i=1, #arg do
+   if string.find(arg[i], '^-$') 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 == 1 then
+   if string.find(files[1], '^-$') then
+      outfile='-'
+   elseif string.find(filename(files[1]), '\.e*ps$') then
+      outfile=basename(files[1])..'.pdf'
+   else
+      outfile=filename(files[1])..'.pdf'
+   end
+else
+   outfile=files[2]
+end
+
+for i=1, #options do
+   command[#command+1]=options[i]
+end
+
+other_opts={'-q', '-dSAFER', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite'}
+
+for i=1, #other_opts do
+   command[#command+1]=other_opts[i]
+end
+
+command[#command+1]='-sOutputFile="'..outfile..'"'
+
+for i=1, #options do
+   command[#command+1]=options[i]
+end
+
+if #files < 1 or #files > 2 then
+   io.stderr:write('Usage: ps2pdf [options] (input.[e]ps|-) [output.pdf]\n')
+   os.exit(0) 
+end
+
+
+
+other_opts={'-c', '.setpdfwrite', '-f', files[1]}
+
+for i=1, #other_opts do
+   command[#command+1]=other_opts[i]
+end
+
+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)
diff --git a/Master/texmf/scripts/texlive/gswin32/ps2pdf13.tlu b/Master/texmf/scripts/texlive/gswin32/ps2pdf13.tlu
new file mode 100755
index 00000000000..6ccff9f8556
--- /dev/null
+++ b/Master/texmf/scripts/texlive/gswin32/ps2pdf13.tlu
@@ -0,0 +1,132 @@
+#!/usr/bin/env texlua
+--*-Lua-*-
+-- $Id$
+
+-- Copyright (C) 2008 Reinhard Kotucha.
+-- You may freely use, modify and/or distribute this file.
+
+-- Replacement for ps2pdf*.bat.
+-- Convert PS to PDF
+
+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
+
+function filename (file)
+   local filename
+   if string.find(file, '/') then -- UNIX path
+      filename=select(1, string.gsub(file, '.*/', ''))
+   elseif string.find(file, '\\') then -- Windows path
+      filename=select(1, string.gsub(file, '.*\\', ''))
+   else -- no path
+      filename=file
+   end
+   return(filename)
+end
+
+function basename (file)
+   local basename
+   local fname
+   fname=filename (file)
+   basename=select(1, string.gsub(fname, '\.%a+$', ''))
+   return(basename)
+end
+
+kpse.set_program_name('ps2pdf.texlua', 'ps2pdf')
+
+TEXDIR=kpse.var_value('SELFAUTOPARENT')
+
+if os.type == 'windows' then
+   os.setenv('GS_LIB', TEXDIR..'/tlpkg/tlgs/lib;'..TEXDIR..'/tlpkg/tlgs/fonts')
+   os.setenv('PATH', TEXDIR..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
+   gs='gswin32c'
+else
+   gs='gs'
+end
+
+command={gs}
+files={}
+options={}
+
+PDF_level='1.4'
+if string.find(basename(arg[0]), '12') then
+   PDF_level='1.2'
+elseif string.find(basename(arg[0]), '13') then
+   PDF_level='1.3'
+elseif string.find(basename(arg[0]), '14') then
+   PDF_level='1.4'
+end
+
+options[#options+1]='-dCompatibilityLevel='..PDF_level
+
+for i=1, #arg do
+   if string.find(arg[i], '^-$') 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 == 1 then
+   if string.find(files[1], '^-$') then
+      outfile='-'
+   elseif string.find(filename(files[1]), '\.e*ps$') then
+      outfile=basename(files[1])..'.pdf'
+   else
+      outfile=filename(files[1])..'.pdf'
+   end
+else
+   outfile=files[2]
+end
+
+for i=1, #options do
+   command[#command+1]=options[i]
+end
+
+other_opts={'-q', '-dSAFER', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite'}
+
+for i=1, #other_opts do
+   command[#command+1]=other_opts[i]
+end
+
+command[#command+1]='-sOutputFile="'..outfile..'"'
+
+for i=1, #options do
+   command[#command+1]=options[i]
+end
+
+if #files < 1 or #files > 2 then
+   io.stderr:write('Usage: ps2pdf [options] (input.[e]ps|-) [output.pdf]\n')
+   os.exit(0) 
+end
+
+
+
+other_opts={'-c', '.setpdfwrite', '-f', files[1]}
+
+for i=1, #other_opts do
+   command[#command+1]=other_opts[i]
+end
+
+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)
diff --git a/Master/texmf/scripts/texlive/gswin32/ps2pdf14.tlu b/Master/texmf/scripts/texlive/gswin32/ps2pdf14.tlu
new file mode 100755
index 00000000000..6ccff9f8556
--- /dev/null
+++ b/Master/texmf/scripts/texlive/gswin32/ps2pdf14.tlu
@@ -0,0 +1,132 @@
+#!/usr/bin/env texlua
+--*-Lua-*-
+-- $Id$
+
+-- Copyright (C) 2008 Reinhard Kotucha.
+-- You may freely use, modify and/or distribute this file.
+
+-- Replacement for ps2pdf*.bat.
+-- Convert PS to PDF
+
+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
+
+function filename (file)
+   local filename
+   if string.find(file, '/') then -- UNIX path
+      filename=select(1, string.gsub(file, '.*/', ''))
+   elseif string.find(file, '\\') then -- Windows path
+      filename=select(1, string.gsub(file, '.*\\', ''))
+   else -- no path
+      filename=file
+   end
+   return(filename)
+end
+
+function basename (file)
+   local basename
+   local fname
+   fname=filename (file)
+   basename=select(1, string.gsub(fname, '\.%a+$', ''))
+   return(basename)
+end
+
+kpse.set_program_name('ps2pdf.texlua', 'ps2pdf')
+
+TEXDIR=kpse.var_value('SELFAUTOPARENT')
+
+if os.type == 'windows' then
+   os.setenv('GS_LIB', TEXDIR..'/tlpkg/tlgs/lib;'..TEXDIR..'/tlpkg/tlgs/fonts')
+   os.setenv('PATH', TEXDIR..'/tlpkg/tlgs/bin;'..os.getenv('PATH'))
+   gs='gswin32c'
+else
+   gs='gs'
+end
+
+command={gs}
+files={}
+options={}
+
+PDF_level='1.4'
+if string.find(basename(arg[0]), '12') then
+   PDF_level='1.2'
+elseif string.find(basename(arg[0]), '13') then
+   PDF_level='1.3'
+elseif string.find(basename(arg[0]), '14') then
+   PDF_level='1.4'
+end
+
+options[#options+1]='-dCompatibilityLevel='..PDF_level
+
+for i=1, #arg do
+   if string.find(arg[i], '^-$') 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 == 1 then
+   if string.find(files[1], '^-$') then
+      outfile='-'
+   elseif string.find(filename(files[1]), '\.e*ps$') then
+      outfile=basename(files[1])..'.pdf'
+   else
+      outfile=filename(files[1])..'.pdf'
+   end
+else
+   outfile=files[2]
+end
+
+for i=1, #options do
+   command[#command+1]=options[i]
+end
+
+other_opts={'-q', '-dSAFER', '-dNOPAUSE', '-dBATCH', '-sDEVICE=pdfwrite'}
+
+for i=1, #other_opts do
+   command[#command+1]=other_opts[i]
+end
+
+command[#command+1]='-sOutputFile="'..outfile..'"'
+
+for i=1, #options do
+   command[#command+1]=options[i]
+end
+
+if #files < 1 or #files > 2 then
+   io.stderr:write('Usage: ps2pdf [options] (input.[e]ps|-) [output.pdf]\n')
+   os.exit(0) 
+end
+
+
+
+other_opts={'-c', '.setpdfwrite', '-f', files[1]}
+
+for i=1, #other_opts do
+   command[#command+1]=other_opts[i]
+end
+
+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)