RE: commandline return codes

[Thijs Schreijer <thijs@...>]

> There is some introduction about the "errorlevels":
> http://www.robvanderwoude.com/errorlevel.php
> It just seemed that "errorlevel" can only be used with "if".
> Finally,if you want to use script on windows, "cygwin" is the suggestion.

Thx. That helped find it; I should have used %ERRORLEVEL% and not %ERROR_LEVEL%

Silly me. (again)

Thijs

> > From: thijs@thijsschreijer.nl
> > To: lua-l@lists.lua.org
> > Date: Mon, 14 Jan 2013 10:23:42 +0000
> > Subject: commandline return codes
> >
> > I'm having trouble getting the following to work (reduced example, fixed
> bad line wrap).
> >
> >
> > "script1.lua"
> > print("Final result from os.execute():", os.execute("start.bat"))
> >
> > "start.bat"
> > @ECHO OFF
> > echo Started batchfile
> > lua.exe script2.lua
> > echo Batch received %ERROR_LEVEL% as exitcode exit /B %ERROR_LEVEL%
> >
> > "script2.lua"
> > local exitcode = "25"
> > print("========================")
> > print(" Script 2 calling")
> > print(" exiting with",exitcode)
> > print("========================")
> > os.exit(exitcode)
> >
> >
> > What I'm trying to do is catching a return code. Script1 calls the
> batchfile, which calls script2. The batch file has to be in between to do
> some OS magic.
> >
> > This is the output;
> > C:\Users\Thijs\Dropbox\LUAPRO~1\busted\test\src>script1.lua
> > Started batchfile
> > ========================
> > Script 2 calling
> > exiting with 25
> > ========================
> > Batch received as exitcode <===
> > Final result from os.execute(): 0
> >
> > C:\Users\Thijs\Dropbox\LUAPRO~1\busted\test\src>
> >
> > So the exitcode to the os.exit() call in script2 does not get passed on
> to the %ERROR_LEVEL% environment variable(marked with <===). I'm running
> this on Windows7, using Lua for Windows.
> >
> > Any ideas?
> >
> > Thijs
> >
> >