1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
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')
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)
|
