Tuesday, August 30, 2016

Linux Bash Shell Script Command Line Arguments List and Count

August 30, 2016 bash , code , count command line arguments , example , linux , shell script , tutorial

The code lists and count all the command line arguments passed into the program.

Save the code in a file named "CmdArgumentsLister.sh".

	#!/bin/bash

	showargs(){
	a=1
	for i in $*
	do
	echo "The $a number arg is $i"
	a=$(( $a + 1 ))
	done
	}


	echo "Listing all command line arguments."
	showargs $*
	echo "Total:$#"
	echo "Listing End"

Just type the code below in terminal. Make sure to cd into that directory if you have not opened the terminal in that directory.

bash CmdArgumentsLister.sh a b c d