#!/usr/bin/env -S bash -e
[[ -z "$1" ]] && {
printf 'Usage: %s username\n' "$0"
exit 1
}
[[ -f "/var/tmp/register/$1" ]] || {
printf "Application from %s does not exist\n" "$1"
exit 2
${EDITOR:-vim} /var/tmp/register/"$1"