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
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- 幾米兔 2018-07-21 08:35关注
猜測應該是先判断某个文件**夾**是否存在,
script中ffmpeg的參數再自行調整#!/bin/bash FFMPEG_BIN="ffmpeg-4.0.1/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
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