Linux/Unix:Find and Replace
- tr "[:upper:]" "[:lower:]"
- tr "[abc]" "[xyz]"
- Transtlate, make all lowercase
- replace all a's with y, all b's with y and all c's with z, works from stdin to stdout. All sort of translations can be done
- tr -d <char>
- Delete <char> from standard input
- In each line replace first occurrence of pattern with newstring. /g at the end replaces all occurrences of pattern.
- Delete each line matching pattern.