#/bin/bash all_num=10 a=$(date +%H%M%S) testFolder=/home/gemer/un-flv/1 for num in $(seq 1 ${all_num}); do sleep 60 4dage-ffmpeg -s $testFolder/20210107174836.mp4 -a testFolder/20210107174836.mp3 -o $testFolder/TT -n video echo ${num} done b=$(date +%H%M%S) echo -e "startTime:\t$a" echo -e "endTime:\t$b"