#!/usr/bin/texlua
--*-Lua-*-
-- $Id: rungs.tlu 30101 2013-04-25 17:29:00Z karl $
-- rungs - Run Ghostscript (gs on Unix, gswin32c on Windows)
-- (Maintained in TeX Live:Master/texmf-dist/scripts/texlive.)

-- Copyright (C) 2008-2013 Reinhard Kotucha.
-- You may freely use, modify and/or distribute this file.

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
   command={'gswin32c'}
else
   command={'gs'}
end

for i=1, #arg do
   command[#command+1]=arg[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)