Uppercase to lowercase using vi
:%s/.*/\L&/
Lowercase to uppercase using vi
:%s/.*/\U&/
Using tr ( depends on flavor )
tr '[:upper:]' '[:lower:]' < file > newfile
* use my tips at your own risk !!
Uppercase to lowercase using vi
:%s/.*/\L&/
Lowercase to uppercase using vi
:%s/.*/\U&/
Using tr ( depends on flavor )
tr '[:upper:]' '[:lower:]' < file > newfile