use strict;
use warnings;
use File::LibMagic;

`wget "http://zhumarin.ru/tmp/1.png" -O "/tmp/test_libmagic.png"`;
`mv /etc/magic /etc/magic2`;
my $ft = File::LibMagic->new();

my $screen_body;
open FH, "</tmp/test_libmagic.png";
read FH, $screen_body, -s "/tmp/test_libmagic.png";
close FH;
print $ft->describe_contents(substr($screen_body, 0, 1024));

END {
	`mv /etc/magic2 /etc/magic`;
}