find total number of arguments and access one by one - shell
by rajesh[ Edit ] 2008-08-08 12:26:59
it is very simple to find total number of arguments passed to a shell...
just use $#
$# will return the total number of arguments
example:
echo "$#";
To parse and use each argument passed we have use while loop similar to the following code
while [ $# -gt 0 ]
do
echo "$#"
#here you can fetch the argument using $1 as shift at the end of this loop will
#shift the argument position by one up. That is shift will reduce the number
#of arguments by one, every time it is called
echo "I am $1"
shift
sleep 1s
done
example:
>test.sh test1 test2 test3
result:
3
I am test1
2
I am test2
1
I am test3
