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Hexadecimal-to-text Converter
This script converts all 2-digit hexadecimal numbers (without 0x's) in the standard input into text, though there's probably a better way to do this.
#!/usr/bin/perl -wn
use strict;
s/\s//g;
print chr hex $1 while /([[:xdigit:]]{2})/g;
print "\n";
