#!/bin/bash
grep -rl -E 'http:\/\/(|www|img[0-9a-f]*|static[0-9]*|video[0-9]*|forum)\.gram\.pl'
# | xargs sed -i 's/http\:\/\/\(\|www\|img[0-9a-f]*\|static[0-9]*\|video[0-9]*\|forum\)\.gram\.pl/\/\/\1.gram.pl/g'