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#!/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)
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