duration-length script

scripts/duration-length.sh

@@ -0,0 +1,12 @@
+file="./scripts/duration-length.txt"
+if [ -f "$file" ]
+then
+    for i in $(cat $file); do
+        mp3=$(cat "$i" | grep "^mp3 =" | awk -F'"' '{print $2}')
+        duration=$(ffprobe -i "$mp3" -show_entries format=duration -v quiet -of csv="p=0" -sexagesimal)
+        length=$(ffprobe -i "$mp3" -show_entries format=size -v quiet -of csv="p=0")
+        sed -i "s/^duration = .*/duration = \"$duration\"/g" "$i"
+        sed -i "s/^length = .*/length = $length/g" "$i"
+        cat "$i"
+    done
+fi