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In-Reply-To: <55C68669.8000408@netcologne.de>
References: <55C68669.8000408@netcologne.de>
Date: Sun, 9 Aug 2015 02:45:46 +0200
Message-ID: <CAHYJk3QnozHuC6FGLDxNTMg4rdAEa8+4JmgBFGHh8QP6HddMTQ@mail.gmail.com>
Subject: Re: Global And Local Variables in zsh Functions
From: Mikael Magnusson <mikachu@gmail.com>
To: Georg Wittig <nc-wittigge@netcologne.de>
Cc: Zsh Users <zsh-users@zsh.org>
Content-Type: text/plain; charset=UTF-8

On Sun, Aug 9, 2015 at 12:44 AM, Georg Wittig <nc-wittigge@netcologne.de> wrote:
> Hi,
>
> I'm writing a zsh script that's constructing a rather complex rsync
> command. One part of the script is constructing  a list of exclude
> commands for rsync. For this I use a global variable EXC. It is built
> in the following way
>
> EXC=''
> function my_f1 () {
>   EXC+=" --exclude='$1'";
> }
> my_f1 /tmp
> my_f1 /opt/windows7
> echo ">>>$EXC<<<"

In addition to the other replies, you'll also want to change EXC to be an array,
EXC=()
my_f1() {
  EXC+=( --exclude=$1 )
}
(note lack of quoting is intentional)

Otherwise, you'll have a bad time trying to actually run the command.

-- 
Mikael Magnusson