Compare sorted:
if [[ string1 > string2 ]]; then
Compare characters
if [[ string1 = string2 ]]; then
Length of string
myLen1=${#string1}
Parts of string (start at 0)
part=${string1:start:length} --> string1 can not be a parameter, must be a var
Extract characters after some char
after=${string#*somechar}
after=${string#*.} --> after the dot