1.统计某个目录下所有文件的个数:
find . -type f | wc -l
2.提取文档中每行内容:
while read line
do
a=$(dirname ${line})
echo ${here}${a}
mkdir -p ${here}$a
cp -r ${here}/Noise.wav ${here}/${line}
done < wav.list
line:保存每行的变量
wav.list:需要提取的文档