in reply to Bin 2 Hex

uhm, what about:
my $hex = sprintf "%05x", oct '0b'.$binary;
see perlfunc (hex, oct, sprintf)

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Re^2: Bin 2 Hex
by Streen (Sexton) on Jun 03, 2004 at 08:39 UTC
    Oh, thanks a lot...
    Now I tried to reverse it (hex->bin), how can I make this?
    Okay this was easier than I thought, it did not function because I had a typo:
    hex2bin:
    my $bin = sprintf "%19b", oct '0x'.$hex;

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