mountman/check_prereq

#!/usr/bin/env bash
exit_code=0
prereqs=(
	"bash"
	"flock"
	"mkdir"
	"mount"
	"umount"
	"eject"
	"blkid"
	"lsblk"
	"findmnt"
	"hdparm"
	"cryptsetup"
)

for prereq in "${prereqs[@]}"; do
	echo -n "$prereq: "
	if ! command -v "$prereq"; then
		echo "NOT FOUND."
		exit_code=1
	fi
done
exit $exit_code