[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-bash] How to make variable set in () accessible outside?
From: |
Bob Proulx |
Subject: |
Re: [Help-bash] How to make variable set in () accessible outside? |
Date: |
Thu, 3 May 2012 00:43:47 -0600 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Peng Yu wrote:
> (export XXX=a)
> echo $XXX
>
> In the above code, the echo command will print nothing. I'm wondering
> if there is a way make the variable set in () accessible outside.
The entire point of using a subshell with (...) is to make all
variables local to that subshell. If you want to export variables
then don't use a subshell which by definition makes variables local.
Instead do whatever operation you want to do inside of the current
process.
Bob
Re: [Help-bash] How to make variable set in () accessible outside?,
Bob Proulx <=