[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-bash] Why `$(<` is slow?
|
From: |
Greg Wooledge |
|
Subject: |
Re: [Help-bash] Why `$(<` is slow? |
|
Date: |
Fri, 30 Aug 2019 08:32:23 -0400 |
|
User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Fri, Aug 30, 2019 at 07:50:55AM +0100, Stephane Chazelas wrote:
> In bash, $(<qwe) still creates a pipe, forks a child process
> that reads from the file, writes to the pipes, while the parent
> read from the other end of the pipe. The only thing that is
> optimised away is the execution of "cat".
Oh. That's interesting... good to know.