cheat.sheets/sheets/nl

# Number lines given to `nl` via STDIN.
printf "Here\nis\nsome\nexample\ntext." | nl

# Number (all) lines given to `nl` via provided file(s).
nl -b a /path/to/file
# The above can also be achieved with `cat`, which is perhaps more portable:
cat -n /path/to/file
Add 'nl' file and show basic example Interestingly -- to me, at least, `nl` by default will only number non-empty lines (coreutils v8.25), whereas `cat` will show all. 2019-11-06 16:34:45 +00:00			# Number lines given to `nl` via STDIN.
			`printf "Here\nis\nsome\nexample\ntext." \| nl`

			# Number (all) lines given to `nl` via provided file(s).
			`nl -b a /path/to/file`
			# The above can also be achieved with `cat`, which is perhaps more portable:
			`cat -n /path/to/file`