#!/usr/bin/env perl isn't portable, as not all platforms have env in the same place. You should use this instead: 

#!/bin/sh

exec perl -x $0 "$@"

#!perl
# your perl code goes here

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In reply to Re^3: How many man-hours would you estimate you have invested in learning Perl? by DrHyde
in thread How many man-hours would you estimate you have invested in learning Perl? by punch_card_don

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