#!/bin/sh
set -e
trap 'rc=$?; sleep 0.25; umount /media/sd; exit $rc' 0
mount /media/sd
cp "$1" /media/sd/JOB.G
sleep 0.25
umount /media/sd
mount -r /media/sd
cmp "$1" /media/sd/JOB.G
sleep 0.25
umount /media/sd
trap '' 0
ls -al "$1"