Simple shell script to show how to get a list of files and perform some action on all of them

loop_files.sh

#!/bin/bash
# Simple script to show how to get a list of files in a directory,
# and perform some action on all of them

# get the list of all the files we want to use
files=$(ls -1 *.txt)

# print list of all of them
# echo ${files[@]}

# infinite loop
# Ctrl + C to exit
while true; do

    # do something to each one
    for file in $files; do
	    echo $file
    done

    sleep 1
done