open ICO, ">perl.ico" or die $!;
while (<DATA>) {
  chomp;
  print ICO pack "H*", $_;
}
close ICO or die $!;

# Create new hex data with
# perl -wle 'binmode STDIN; $/ = \32; while (<>) {print unpack "H*", $_}' <perl.ico.orig
# then place after __DATA__
__DATA__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