That is so cool! I modified it slightly so it also runs on TinyPerl 5.8: 

sub hexdump
{
  my $s;
  $_[0] =~ s/\G([\0-\xff]{1,16})/ $s = $1; $s =~ y|\x20-\x7e|.|c; spri
+ntf("%08X  %-50s|%s|\n", $-[0], "@{[unpack q{(H2)8a0(H2)8}, $1]}", $s
+);/ge;
  return $_[0];
}

[download]

I don't understand why I had to do this: ([\0-\xff]{1,16}) instead of (.{16}) This latter one won't capture anything, which is weird. The second thing I don't understand is why this works: 

"@{[unpack q{(H2)8a0(H2)8}, $1]}"

[download]

In reply to Re^3: hexdump -C by harangzsolt33
in thread hexdump -C by NERDVANA

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