UNIX for Dummies Questions & Answers

#!/bin/bash

function check_num_args()

{
        if [ $# -eq 0 ]; then
                echo "Please provide a file name"
        else
                treat_as_file $*
        fi
}


function treat_as_file()
{
        numFiles=$#
        for((i=1;i<=$numFiles;i++));do
        echo $i
        done
}

check_num_args $*

#!/bin/bash
function check_num_args()
{
    if [ $# -eq 0 ]; then
        echo "Please provide a file name"
    else
        treat_as_file $*
    fi
}


function treat_as_file()
{
    i=1;
    for x in $*
    do
        echo $i $x
        i=$(($i + 1))
    done
}
check_num_args $*

$ ./test.sh file1 file2 file3
1 file1
2 file2
3 file3

eval echo \$$i