Re: [Help-bash] A do nothing function

[DJ Mills]

On Thu, Sep 27, 2012 at 12:24 PM, Peng Yu <address@hidden> wrote:
> Hi,
>
> I have to use cat if just want to pass the stdin to stdout. But this
> requires calling cat. Is there a more efficient way to just past stdin
> to stdout?
>
> /tmp$ cat test.sh
> #!/usr/bin/env bash
>
> function cmd {
> cat
> }
>
> echo xxxx | cmd | cat
>
> --
> Regards,
> Peng
>

No, cat's the easiest/best way to accomplish that.
However, that raises the question of why you wouldn't ust omit the whole thing