movielen: support --total to sum the time

1 files changed, 27 insertions, 4 deletions

diff --git a/movielen.sh b/movielen.sh
index e39ba57..2d95a30 100755
--- a/movielen.sh
+++ b/movielen.sh
@@ -16,6 +16,19 @@
 #     0m8.981s
 #
 
+TOTAL_TIME=0
+
+output ()
+{
+	# seconds in $1
+	TIME=$1
+
+	HOURS=$(( $TIME/3600 ))
+	MINUTES=$(( $(($TIME-$HOURS*3600))/60 ))
+	SECONDS=$(( $TIME%60 ))
+	printf " %i:%.2i:%.2i" $HOURS $MINUTES $SECONDS
+}
+
 print_time ()
 {
 	FILENAME=$1
@@ -31,15 +44,25 @@ print_time ()
 		echo "$0: $FILENAME: Unrecognized format" 1>&2
 		return 1
 	fi
+	
+	TOTAL_TIME=$(( TOTAL_TIME + TIME ))
 
-	HOURS=$(( $TIME/3600 ))
-	MINUTES=$(( $(($TIME-$HOURS*3600))/60 ))
-	SECONDS=$(( $TIME%60 ))
-	printf " %i:%.2i:%.2i  -  $FILENAME\n" $HOURS $MINUTES $SECONDS
+	output $TIME
+	echo "  -  $FILENAME"
 }
 
 for filename in "$@";
 do
+	if [ "$filename" = "--total" ];
+	then
+		continue
+	fi
 	print_time "$filename";
 done
 
+if [ "$1" = "--total" ];
+then
+	output $TOTAL_TIME
+	echo " total"
+fi
+