uzbl slideshow

slideshow

#!/bin/sh

static='slideshow'
queue='slideshow_temp'
uri=""
Zzz=5

if [ -z "$UZBL_FIFO" ]; then
	echo "$0: error: set UZBL_FIFO before running"
	exit 2
fi

function nextUri () {
	if [ -s "$queue" ]; then
		# pop the first item from the queue
		read -r uri < "$queue"
		sed -i '1d' "$queue"
	else
		# Make sure the list is non empty
		if [ ! -s "$static" ]; then
			echo "$0: error: empty slideshow list" > /dev/stderr
			exit 1
		fi

		# find the next item in the list
		uri=$(cat "$static" "$static" | grep -m 1 -e "^$uri$" -A1 | tail -1)
		if [ -z "$uri" ]; then
			uri=$(head -1 "$static")
		fi
	fi

	echo "$uri"
}

while true;
do
	nextUri
	echo uri $uri > $UZBL_FIFO
	sleep $Zzz;
done