Don’t use cat or any other tool which is not designed to do that. Use the program:
nl – number lines of files
Example:
$ nl --number-format=rz --number-width=9 foobar
$ nl -n rz -w 9 foobar # short-hand
Because nl is made for it 😉
Don’t use cat or any other tool which is not designed to do that. Use the program:
nl – number lines of files
Example:
$ nl --number-format=rz --number-width=9 foobar
$ nl -n rz -w 9 foobar # short-hand
Because nl is made for it 😉