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Re: [Help-bash] prepend to stdin
From: |
Greg Wooledge |
Subject: |
Re: [Help-bash] prepend to stdin |
Date: |
Tue, 22 Dec 2015 15:27:07 -0500 |
User-agent: |
Mutt/1.4.2.3i |
On Tue, Dec 22, 2015 at 02:18:25PM -0600, Brett Kail wrote:
> cat file - | true
>
> ...but it seems that something waits for a line of input before the
> pipeline somehow ends without error. What is causing this wait?
The - argument to cat means read stdin. If you executed this command
in an environment where stdin is a terminal, it's waiting for you to type
a line of input on the terminal.
Re: [Help-bash] prepend to stdin, Chet Ramey, 2015/12/22