[mdlug] Difference between ; and &&

[Mat Enders]

Gib thanks for that link. 
Mat Enders from my BlackBerry®

-----Original Message-----
From: "gib at juno.com" <gib at juno.com>
Sender: mdlug-bounces at mdlug.org
Date: Wed, 9 May 2012 14:20:41 
To: <mdlug at mdlug.org>
Reply-To: MDLUG's Main discussion list <mdlug at mdlug.org>
Cc: <mdlug at mdlug.org>
Subject: Re: [mdlug] Difference between ; and &&


I see a couple of responses to your question already. But I want to add a bit.  The construct "&&" is also used in other languages besides the shell.

Here is a link to some related information:
http://ss64.com/bash/syntax-execute.html


---------- Original Message ----------
From: Mat Enders <mat.enders at gmail.com>
To: "MDLUG's Main discussion list" <mdlug at mdlug.org>
Subject: [mdlug] Difference between ; and &&
Date: Wed, 9 May 2012 08:12:13 -0400

Hello all,

When stringing commands together at the command line I always use the
semicolon ;  I however see && used frequently and was wondering what
the difference was.

For example what is the difference between these commands:

apt-get update;apt-get dist-upgrade
and
apt-get update && apt-get dist-upgrade

-- 
Mathew E. Enders

"Where once Samba and Apache sold Linux to the world they are now just
part of the plumbing.  But that's OK, plumbers make good money."
--Jeremy Allison
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