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tldr/pages/common/ifne.md

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# ifne
> Run a command depending on the emptyness of `stdin`.
> More information: <https://manned.org/ifne>.
- 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 ...}}`