$p = "/home/kei/public_html/kei/logos/chukan/chukan";
#foreach $i (1..31){
#    $cmd = "mv '$p/($i).PNG' $p/$i.png";
#    print $cmd. "\n";
#    `$cmd`;
#}

foreach $i (1..9){
    $cmd = "mv $p/$i.png $p/0$i.png";
    print $cmd. "\n";
    `$cmd`;
}
