cat abc.sh #!/bin/bash SAVEIF=$IFS IFS=$(echo -en "\n\b") for file in $(ls *wav) do name=${file%%.wav} lame -V0 -h -b 160 --vbr-new $name.wav $name.mp3 done IFS=$SAVEIFS sh abc.sh run in that folder where wav file exists and want to convert it into mp3 OUTPUT LAME 3.99.5 64bits (http://lame.sf.net) polyphase lowpass filter disabled Encoding 1515151515.226426-030327-123456789.wav to 1515151515.226426-030327-123456789.mp3 Encoding as 8 kHz single-ch MPEG-2.5 Layer III VBR(q=0) Frame | CPU time/estim | REAL time/estim | play/CPU | ETA 5871/5871 (100%)| 0:01/ 0:01| 0:01/ 0:01| 361.29x| 0:00 64 [5871] ******************************************************************************************************************************************************************************************...