my $buf;
my @out = ();
while ( length( $bigstring )) {
    $buf = '';
    $buf = $buf . chop $bigstring for (0..2);
    for (0..3) { 
        push @out, ($buf & 64); # update: Perl didn't accept this bit 
+op
        $buf >>= 6; # but is happy with this one
    }
}

[download]

update: Grr if only all perl bitwise operators worked on strings! Pity - it would be pointless fixing this by unpacking the "offending" byte because I was deliberately trying to avoid any unpacking in this attempt at a quickie solution.

One world, one people

In reply to Re: unpacking 6-bit values by anonymized user 468275
in thread unpacking 6-bit values by BrowserUk

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