# rename

`_` 로 만들어진 파일명을 `-`로 변경한다.

<code>
find . -type f | perl -pe 'print $_; s/_/-/g' | xargs -n2 mv
</code>


<code>
rename -v -n 's/_/-/g' *
</code>

<code>
   -v, --verbose
           Verbose: print names of files successfully renamed.
   -n, --no-act
           No Action: show what files would have been renamed.
</code>