ifne(1) on Linux
The text e93092f3f494, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
Run command if the standard input is not empty
Flags it lists
-
-n
The text e93092f3f494, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
Run command if the standard input is not empty
-n