cs252/hw1/backup
2018-10-25 14:45:56 -04:00

17 lines
279 B
Bash
Executable File

#!/bin/bash
function backup() {
touch "$1"
org="$(md5sum $1)"
while [ 1 == 1 ]; do
new="$(md5sum $1)"
if [ "$org" != "$new" ]; then
cp "$1" ".${1}_backup"
org="$new"
fi
sleep "$2"
done
}
backup test.txt 1