`jo -a` is waiting on stdin; adding `< /dev/null` allows to generate an empty array without waiting on stdin.D Signed-off-by: Ludovic Vielle <ludovic@probo.com>
`jo -a` is waiting on stdin; adding `< /dev/null` allows to generate an empty array without waiting on stdin.D Signed-off-by: Ludovic Vielle <ludovic@probo.com>