svelleweetakealot

#!/bin/bash
# bash generate random alphanumeric string
#

# bash generate random 32 character alphanumeric string (upper and lowercase) and 
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1

svelleweetakealot

for image in `grep --color=never -Po 'data:image/[^;]*;base64,\K[a-zA-Z0-9+/]*' foo.html`; do echo -n "$image" | base64 -di > `mktemp image_XXXX`; done