logs duration of videos between filename range to file as file,duration (number of seconds)

extrachSeconds.sh

#!/bin/bash

START=4699
END=4824
VIDEO_PATH="/media/videoStorage/wowzaVideoFiles/cevaptv/"
EXT="_240p.mp4"

rm seconds.log

for((i=$START; i<=$END; i++))
do
 
 file=$VIDEO_PATH$i$EXT
 #echo $file 
 
 ff=$(ffmpeg -i $file 2>&1)
 d="${ff#*Duration: }"
 du="${d%%,*}"
 time=(`echo $du | tr ":" "\n"`)

 #echo ${time[@]}

 h=${time[0]}
 h=`echo $h|sed 's/^0*//'`
 
 m=${time[1]}
 m=`echo $m|sed 's/^0*//'`

 s=${time[2]}
 s=`echo $s|sed 's/^0*//'`
 ss=(`echo $s | tr "." "\n"`)  
 s=${ss[0]} 

 #echo ${(time[0]*3600)+(time[1]*60)+(time[2])}
  
 echo $i,$((s+m*60+h*3600)) >> seconds.log



done

echo ok