yitz_ 1254500594 learn Count how many times a character occurs in a string: strip everything else and count the length # v="abcaba"; v="${v//[^a]}"; echo "${#v}"
yitz_ 1254500634 forget
yitz_ 1254500643 learn Count how many times a character occurs in a string: strip everything else and count the length # v="abcaba"; v="${v//[!a]}"; echo "${#v}"