- Install dialog (sudo apt-get install dialog)
- Install ffmpeg (sudo apt-get install ffmpeg)
- Give run permission (chmod +x mp3converter.sh)
- Run (./mp3converter.sh)
- Write or select the input file (Use "Space" to select, otherwise "Enter" exits when input line is empty!)
- If you want, change the output mp3 file name.
- Select the quality of output.
- Next dialog page shows you conversion is successful or not successful.