As an aside, you can find the endianness(?) of the machine from Config. 

use Config;
if( $Config{ byteorder } eq '1234' ) {
    print "Little endian";
} 
elsif ( $Config{ byteorder } eq '4321' ) {
    print "Big endian";
}
else{
    print "Your screwed!";
}

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"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
"Memory, processor, disk in that order on the hardware side. Algorithm, algoritm, algorithm on the code side." - tachyon

In reply to Re: pack, unpack and internal represenation of numbers by BrowserUk
in thread pack, unpack and internal represenation of numbers by 5mi11er

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