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#! /usr/bin/perl
## vim:set ts=4 sw=4 et: -*- coding: utf-8 -*-
##
##---------------------------------------------------------------------------##
##
## Author:
## Markus F.X.J. Oberhumer <markus@oberhumer.com>
##
## Description:
## Create incompressible files for compression test
##
## Copyright (C) 1996-2017 Markus Franz Xaver Johannes Oberhumer
##
##---------------------------------------------------------------------------##
$x = ' ' x 65536;
$i = 0;
while ($i < 65536) {
substr($x,$i,1) = pack('C',rand(256));
$i++;
}
for $i (1,2,4,8,16,32,64) {
$name = sprintf("u%04d.dat",$i);
open(OUTFILE,">$name") || die "$0: cannot open '$name': $!";
binmode(OUTFILE);
print OUTFILE substr($x,0,$i*1024);
close(OUTFILE);
}
exit(0);
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