Update mmfunctions

updated "# find av files in a directory and output to a temp list;" if function not working properly. variables comprising an empty string or strings with spaces need to be cast as 0 integers.

mmfunctions

@@ -1013,6 +1013,21 @@ _find_input (){
             find "${LOOKHERE}" -type f -size +0 "${OBJECTS_FIND_EXCLUSIONS[@]}" | sort | while read file ; do
                 streamcount=$(ffprobe -loglevel quiet "$file" -show_entries format=nb_streams -of default=nw=1:nk=1)
                 duration_ts=$(ffprobe -loglevel quiet "$file" -show_entries stream=duration_ts -of default=nw=1:nk=1)
+
+		# Remove trailing spaces
+		streamcount="${streamcount#"${streamcount%%[![:space:]]*}"}"
+		streamcount="${streamcount%"${streamcount##*[![:space:]]}"}"
+		duration_ts="${streamcount#"${streamcount%%[![:space:]]*}"}"
+		duration_ts="${streamcount%"${streamcount##*[![:space:]]}"}"
+
+		# Cast empty value into 0 integer
+		if [ -z "$streamcount" ]; then
+		    streamcount=0
+		fi
+		if [ -z "$duration_ts" ]; then
+		    duration_ts=0
+		fi
+
                 if [[ "$streamcount" > 0  && "${duration_ts}" != 1 ]] ; then
                     _report -d "Input file: $file"
                     echo "$file" >> "${INPUTFILES}"