Bacula-users

Re: [Bacula-users] How to properly escape Linux shell commands for ClientRunBeforeJob?

2009-02-17 02:49:27
Subject: Re: [Bacula-users] How to properly escape Linux shell commands for ClientRunBeforeJob?
From: Ralf Brinkmann <ralf.brinkmann AT wemhoener DOT de>
To: Frank Sweetser <fs AT WPI DOT EDU>
Date: Tue, 17 Feb 2009 08:47:04 +0100
Frank Sweetser schrieb:

>> (Client)RunBefore/AfterJob:
>> sticking commands one after another on one line separated by semicolon
>> seems not to work propperly.
> 
> That's because treating the semicolon as a command separator is a function of
> the shell.  The problem isn't that you're not escaping the shell characters,
> the problem is that there's no shell there to treat them as special characters
> in the first place.  From the RunScript section of
> http://bacula.org/en/rel-manual/Configuring_Director.html#SECTION001430000000000000000
> 
> --8<--
> In addition, the command string is parsed then fed to the OS, which means that
> the path will be searched to execute your specified command, but there is no
> shell interpretation, as a consequence, if you invoke complicated commands or
> want any shell features such as redirection or piping, you must call a shell
> script and do it inside that script.
> --8<--
> 

thanks for this information Frank, I supposed so.

-- 
Ralf Brinkmann

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