how to pass parameters to perl script from batch file

Question

So, I'm wondering how to pass parameters to a perl script from a .bat file in windows. I'm running active perl. If you're wondering why, I'm automating log indexing for awstats+iis.

I can do this fine just typing the command directly:

 awstats.pl -config:blahblah.com -update

I tried putting that in my batch file directly. I also tried using the standard batch file way:

 awstats.pl /config:blahblah.com /update

I even tried this, thinking the dash was parsed differently by perl:

 awstats.pl /-config:blahblah.com /-update

So I thought I'd try escaping the dash (for fun, of course):

  awstats.pl /%-config:blahblah.com /%-update

Then I tried the above combinations, attempting to escape the colon:

 awstats.pl /config%:blahblah.com /update

None of these produced the success screen I get when typing in the command. Yes, I had a pause so I could verify...

Any thoughts? Is there something obvious I'm missing about parameters?

brian d foy · Accepted Answer · 2012-04-05 07:42:46Z

3

I know nothing about batch files, but many of the programs that come with Perl have batch file equivalents in Strawberry Perl. They all look like this, which is a clever use of perl's -x switch:

@rem = '--*-Perl-*--
@echo off
if "%OS%" == "Windows_NT" goto WinNT
perl -x -S "%0" %1 %2 %3 %4 %5 %6 %7 %8 %9
goto endofperl
:WinNT
perl -x -S %0 %*
if NOT "%COMSPEC%" == "%SystemRoot%\system32\cmd.exe" goto endofperl
if %errorlevel% == 9009 echo You do not have Perl in your PATH.
if errorlevel 1 goto script_failed_so_exit_with_non_zero_val 2>nul
goto endofperl
@rem ';
...perl script goes here...
__END__
:endofperl

answered Apr 5, 2012 at 7:42

brian d foy

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1 Comment

FlavorScape Over a year ago

interesting, but I was looking for a more 'windowy' solution because we don't have a single perl developer here-- and it would be easier for future maintenance programmers to understand/update.

FlavorScape · Accepted Answer · 2012-09-11 00:18:43Z

1

The problem was in batch file speak, the colon becomes an equals.

 awstats.pl -config=blahblah.com -update

That is odd though because the command line accepts a colon for params. Maybe it is magically ignored in batch files or something.

edited Sep 11, 2012 at 0:18

answered Apr 5, 2012 at 0:42

FlavorScape

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2 Comments

Barton Chittenden Over a year ago

Hmm... using '=' or blank between the switch and the following argument is the standard way that perl parses its arguments... I wonder why ':' was actually accepted when issued in the cmd shell. Run perldoc Getopt::Long for the gory details.

FlavorScape Over a year ago

Yeah, I had actually pulled ':' from awstats doc. Maybe cmd shell auto-fixes it?

Barton Chittenden · Accepted Answer · 2012-04-05 00:53:13Z

0

Try calling perl explicitly:

perl awstats.pl -config:blahblah.com -update

Also make sure that perl is in your %PATH%.

edited Apr 5, 2012 at 0:53

answered Apr 5, 2012 at 0:40

Barton Chittenden

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3 Comments

FlavorScape Over a year ago

nope, I've already registered the handler mappings to point .pl to the perl interpreter. Nice guess tho.

brian d foy Over a year ago

If it's a handler/extension thing, give it a different extension and register that to whatever you like. Not that you should do that, but perl doesn't care what extension you use.

FlavorScape Over a year ago

No, I got it working just fine now, see my answer. I'm updating 30 site log indices now at 2:30 every morning with a batch file. =)

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