DISQUS

kishroe · 11 months ago

simple to understand and very good for bushing up the unix
Khushbu · 11 months ago

wat will be the output of
[-z "$2"]; echo $;
sh amit
vaiju · 3 months ago

The article was very useful. Thanks a ton !!!
neerajnandwana · 1 month ago

i found some problem with the second 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
Penton · 1 month ago

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)