tldr/pages/common/ifne.md

352 B

ifne

Run a command depending on the emptyness of stdin. More information: https://joeyh.name/code/moreutils/.

  • Run the specified command if and only if stdin is not empty:

ifne {{command options ...}}

  • Run the specified command if and only if stdin is empty, otherwise pass stdin to stdout:

ifne -n {{command options ...}}