simple example to automatically run

bash-command.sh

# run this on folder to monitor and location of on-change.sh file
fswatch -o . |  xargs -n1 -I{} ./on-change.sh

bash-parse.sh

#!/usr/bin/env bash

function test2 {
    parse test.xml

}
function parse {
    clear
    echo '-----'
    local file=$1
    echo $(app_name='webgoat';  grep $app_name $file | awk -F"\"" '{print $2}')
    echo $(date)
}

on-change.sh

#!/usr/bin/env bash

. ./bash_parse.sh
test2