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sub hexdump { ... $_[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]; }
"@{[unpack q{(H2)8a0(H2)8}, $1]}"