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#!/bin/bash
#This line creates a variable based on the current date and time.
DATE=`date +%y%m%d%H%M%S`

#If this file exists, future attempts to run this script will simply exit.
LOCKFILE=/var/lock/getmovs.lock

#The location I want the movie files copied to. The $DATE part refers to the variable above. Having the directory uniquely named like this should hopefully prevent files being accidentally overwritten.
TEMPDIR=/home/storage/temp/files_$DATE

#The location I want my camera mounted to. This directory was created by the B2 the first time I connected the camera so I use it to avoid confusion.
MOUNT=/home/storage/extern/GZ-MG40-1

#############################################################

#Looking for the lockfile.
if [ ! -e $LOCKFILE ];
( set -o noclobber; echo "$$" > "$LOCKFILE") 2> /dev/null; 
then
#Removes the lockfile in the event the script is killed before it completes - just cleaning up after itself.
   trap 'rm -f "$LOCKFILE"; umount $MOUNT; exit $?' INT TERM EXIT
sleep 5
#Creating the temp directory
mkdir /home/storage/temp
mkdir $TEMPDIR
#Mounting the camera
mount /dev/sdb1 $MOUNT
#Copying the files.
cp -r $MOUNT/* $TEMPDIR
sleep 5
#Dismount the camera, remove the lockfile.
umount $MOUNT
   rm -f "$LOCKFILE"
   trap - INT TERM EXIT
else
exit;
fi
exit;