代码:
#!/bin/bash
FFMPEG_BIN="ffmpeg-4.2.2/ffmpeg"
MUSIC_PATH="music"
if [[ -d ${MUSIC_PATH} ]]; then
echo "MUSIC_PATH exists."
flac_files=find ${MUSIC_PATH} -name "FLAC1_*.flac"
if [[ -z "${flac_files}" ]]; then
echo "No flac files in directory ${MUSIC_PATH}"
exit
fi
echo "Start to convert flac format to mp3 format"
for input_file in ${flac_files}
do
output_file=${input_file/flac/mp3}
echo -e "\n${input_file} ==> ${output_file}"
${FFMPEG_BIN} -i "$input_file" -ab 320k -map_metadata 0 "${output_file}"
done
else
echo "MUSIC_PATH doesn't exist."
fi
输出结果:
MUSIC_PATH exists.
No flac files in directory music
大佬们看看哪错了上面一部分代码可以执行主要是下面一部分执行不了。或者重新帮忙写段代码(谢谢!)
问题是:
用vim写个bash脚本,判断某个文件是否存在,如果存在,调用ffmpeg将文件夹下以FLAC1_ 开头的扩展名为.flac的文件转换为mp3格式