Script bugfixes for find exec delete

posters.sh

@@ -14,4 +14,4 @@ do
 done <<< "$all_live"
 
 # delete old posters
-bash -c 'find /var/www/stream/posters/* -mmin +2 -exec rm {} \;'
+bash -c 'find /var/www/stream/posters/*.jpg -mmin +2 -exec rm {} \;'

viewers.sh

@@ -7,9 +7,20 @@ timestamp_prev=$(date -d '1 min ago' +'%s')
 lf_now=$(date +'%d/%b/%Y:%H:%M:' -d @$timestamp_now)
 lf_prev=$(date +'%d/%b/%Y:%H:%M:' -d @$timestamp_prev)
 
-# tail the logs and get a count of viewers per streamer
+# tail the logs and get a count of viewers per streamer. the pipeline is:
+    # lines with hls or dash urls					
+    # between the start and end times					
+    # print the ip and stream stream .m3u8/mpd			
+    # sort them
+    # uniq to deduplicate
+    # print just the stream names now
+    # cut off the .m3u8/mpd so we have just the name
+	# sort again (because ip is removed)
+    # uniq with counts this time
+    # remove non alphanumeric or space
+    # remove leading whitespace from uniq
 viewers=`tail -n 10000 /var/log/nginx/access.log \
-    | grep -E 'GET /(hls|dash)/[a-z0-9]+.m3u8' \
+    | grep -E 'GET /(hls|dash)/[a-z0-9]+.(m3u8|mpd)' \
     | grep -E "${lf_now}|${lf_prev}" \
     | awk '{print $3 " " $7}' \
     | sort \
@@ -30,4 +41,4 @@ do
 done <<< "$viewers"
 
 # delete any not updated viewer files (no longer live)
-find /var/www/stream/viewers/* -mmin +0.5 -exec rm {} \;
+bash -c 'find /var/www/stream/viewers/*.txt -mmin +0.5 -exec rm {} \;'