On Mon, Jul 04, 2005 at 02:53:01PM +0100, Jim Hague wrote:
> Package: bash
> Version: 3.0-15
> Severity: normal
>
> $ echo Hello, world | read a b; echo $a $b
>
> doesn't produce the expected 'Hello, world' output, but just a blank
> line.
>
> I'm no bash expert, but this doesn't seem right. FWIW, zsh(Debian) and
> ksh(AIX) produce the expected output.
I believe the reason is this (from sh(1)):
Each command in a pipeline is executed as a separate process
(i.e., in a subshell).
...
A command invoked in this separate environment cannot
affect the shell's execution environment.
It will work if you use read <<EOF ...
Justin
--
To UNSUBSCRIBE, email to [EMAIL PROTECTED]
with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
