Re^2: Altering Behavior of a Script

I'm on a Linux system, but the script you provided does not seem to be working for me. In fact, if I do this,

perl -e 'print join "\n", keys %ENV';
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I do not even see '-', the closest thing that would resemble this is '_'. But if I print the value of '_', it will give me this: /usr/bin/perl

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Re^3: Altering Behavior of a Script by ikegami (Patriarch) on Sep 03, 2009 at 20:52 UTC
Bloodnok is thinking of special `bash` variable `$-`. It is not an environment variable, and it would be useless to a child anyway.	[reply] [d/l] [select]