[sf-perl] dynamic #! line

David Fetter david at fetter.org
Mon Mar 23 17:39:58 PDT 2009

On Mon, Mar 23, 2009 at 05:36:19PM -0700, Matthew Lanier wrote:
> hey folks-
> i'm in a situation where I may need to set #! on a perl script at
> run time via the environment.  I know that's technically possible,
> but am unsure what hidden gotchas may result.  Any thoughts on that?

Well, you could use the old

    #!/usr/bin/env perl 

trick.  The gotcha is just the usual one about anything that radically
changes behavior based on hard-to-reproduce-later stuff like
environment variables.

David Fetter <david at fetter.org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david.fetter at gmail.com

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