savescum.sh

#!/bin/bash

PID=

KILLPID() {
	if [ -n "$PID" ]
	then
		echo "$PID"
		kill -9 "$PID"
	fi
}

KILLIT() {
	exit 0
}

trap KILLPID EXIT
trap KILLIT SIGINT

if [ $# -lt 2 ]
then
	echo "Usage: "$(basename $0)" <file> <directory> <savename>"
	exit 1
fi

F="$1"
FD=$(dirname $(realpath "$F"))
D="$2"
S="$3"

if [ \( ! \( -f "$F" \) \) -o \( ! \( -d "$FD" \) \) -o \( ! \( -d "$D" \) \) ]
then
	exit 1
fi

rm "$D"/status &>/dev/null
inotifywait -q -m -o "$D"/status -e close_write -e moved_to -r "$FD" &
PID=$!

sleep 1

echo "$F"

tail -f "$D"/status | while read i
do
	if ( ! echo "$i" | grep -q "$F"'$' )
	then
		continue
	fi

	if ( ! echo "$i" | egrep -q "(CLOSE_WRITE)|(MOVED_TO)" )
	then
		continue
	fi

	T=$(date +%Y%m%dT%H%M%S)
	echo "$S""$T"

	cp "$F" "$D"/"$S""$T"
done