Hi

I need to write a Perl script which is generating a .bat-file while passing it's command line arguments 1-to-1

Is there any way to access the "raw" command-line in order to catch quoting and escaping?

To highlight the problem:

D:\>perl -E"say qq(@ARGV)" "1 2" "3" 4
1 2 3 4

[download]

As you can see are all quotes and escapes lost while calling Perl (for good reasons)

But my script has to generate another .bat which does

...
some_cmd "1 2" "3" 4
...

[download]

Typical edge-case justifying this problem are win-paths with whitespace, but cmd.exe has also some arcane escaping rules.

I already have a workaround:

I discovered that .bat has %* to hold the verbatim command line arguments, and came up with a workaround of a .bat calling my perl-script

D:\tmp\exp>type cmd_wrapper.bat
@echo off

echo %* |perl -wE"chomp(my $args = <STDIN>);say qq(some_cmd $args)"


D:\tmp\exp>cmd_wrapper.bat "1 2" "3" 4
some_cmd "1 2" "3" 4
D:\tmp\exp>

[download]

Question: any better solution?

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

PS: I don't think this question is overly Win specific, when creating a bash script on Linux I'd face the same problem.

In reply to (Windows) verbatim command line arguments inside Perl script by LanX

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