Bash Basics: Function arguments

arguments.sh

#!/bin/bash

# Demonstrates the use of shift and $@ mainly. Function arguments can also be accessed with $1, $2, $3, etc.
#
# ##fun1
# aaa
# ##fun2
# bbb
# ##fun3
# (# of arguments: 3)
# ccc
# Left over: ddd eee
# Left over: ddd eee
#

fun3(){
 echo "##fun3"
 echo "(# of arguments: $#)"
 echo $1 ; shift ; echo Left over: $@ ; echo Left over: $*
}

fun2(){
 echo "##fun2"
 echo $1 ; shift ; fun3 $@
}

fun1(){
 echo "##fun1"
 echo $1 ; shift ; fun2 $@
}

fun1 aaa bbb ccc ddd eee