第一次写的shell

问题是这样的,想在当前目录下，把子文件下的文件copy到当前目录下，并修改扩展名lyric为lrc
目录结构：
./
|____directory1
       |______file1.lyric
       |______file2.lyric
|____directory2
       |______file3.lyric
       |______file4.lyric

code:

#!/bin/bash
DIRS=`ls -l | grep ^d | awk '{print $8}'`;
for i in $DIRS;do
    SUBDIRS=`ls -l "$i" |grep ^- |  awk '{print $8}' |cut -d . -f1`;
    for j in $SUBDIRS;do
        `cp $i'/'$j'.lyric' $j'.lrc'`;
    done
done

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