[MacPerl] Packing question. :-)

["Mark Manning/Muniz Eng." <markem@flash.net>]

Try this program:

#!/usr/local/bin/perl

    @mine = ();
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";
    $mine[++$#mine][0] = "This ";
    $mine[$#mine][1] = "is ";
    $mine[$#mine][2] = "a ";
    $mine[$#mine][3] = "test. ";

    $newLine = pack( "AAAA", @mine[0] );
    $newLine = pack( "AAAA", $mine[0] );
    $newLine = pack( "AAAA", $mine[0][0] );
    print "$newLine\n";
    exit( 0 );

The first one returns "AAAA".  The second one returns "AAAA".  The third
one returns "T".

Why?

Signed - confused but still working on it.  :-)

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