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path: root/skripti/earhorn_m3u.sh
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#!/bin/bash
set -eo pipefail
# $1 je prefix
# $2 je prejšnji file (za caching dolžin)
# $3=1 forsira cache kljub version failu
# zadnjega vnosa iz cache m3uja nikdar ne bom upošteval, ker je lahko nedokončan file (no, v earhornu ne, ampak v stream_archive.sh)
echo "#EXTM3U"
ver="#earhorn_m3u.sh različica 0"
echo $ver
cache=0
if [ ! x$3 = x ] || [ ! x$2 = x ] && [ -f $2 ]
then
	if [ x"`head -n2 $2 | tail -n1`" = x"$ver" ]
	then
		cache=1
	fi
fi
find 2* -type f | while read file
do
	date=`cut -d/ -f1,2,3 <<<$file | sed s,/,-,g`
	time=`cut -d/ -f4 <<<$file | cut -d. -f1`
	h=${time:0:2}
	m=${time:2:2}
	s=${time:4:2}
	dol=""
	if [ $cache -eq 1 ]
	then # tu smatram, da vsaka datoteka zavzema 3 vrstice
		head -n-3 $2 | grep -B2 ^$1$file$ && continue
	fi # prvič v head ko rečem -n-3 in drugič v grep, ko rečem -B2
	set +e
	dol=`ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 $file`
	koda=$?
	set -e
	if [ $koda -eq 0 ]
	then
		echo "#EXTINF:$dol,Radijski arhiv"
		echo "#EXT-X-PROGRAM-DATE-TIME:${date}T$h:$m:${s}Z"
		echo $1$file
	else
		echo "# NAPAKA $file ffprobe vrnil $koda"
		echo "NAPAKA $file ffprobe vrnil $koda" >&2
	fi
done