Comments on: Bourne/bash shell script functions

By: Penton

Penton — Wed, 30 Sep 2009 07:21:36 +0000

You can use return to return the result generated within a function. Please read more about this within the following URL:

http://www.faqs.org/docs/abs/HTML/functions.html
(Example 23-3. Maximum of two numbers)

By: neerajnandwana

neerajnandwana — Wed, 23 Sep 2009 03:46:18 +0000

i found some problem with this code
so i modified like this :)

#!/bin/bash
sum()
{
if [ -z "$2" ]
then
echo "sum: $1"
else
local a=`expr $1 + $2`
shift 2
sum $a $@
fi
}
sum 3 5 34

By: vaiju

vaiju — Thu, 30 Jul 2009 07:52:12 +0000

The article was very useful. Thanks a ton !!!

By: Khushbu

Khushbu — Mon, 01 Dec 2008 04:06:52 +0000

wat will be the output of
[-z "$2"]; echo $;
sh amit

By: kishroe

kishroe — Fri, 21 Nov 2008 02:57:02 +0000

simple to understand and very good for bushing up the unix