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# Code to open the filehandle

...
    $buffer->set_text($sysbuffer);
    return 1;
}

        system("find /tmp/$id/ -iname \"*.wav\" -print0 | xargs -0 -n 
+1 -I '{}' ffmpeg -i '{}' -f mp3 '{}'.mp3 2>> /usr/rip/cdimport.log")