Clean, copy

The mood is not very good, just this part is relatively simple, remember a journal.

----------water very clear cherish this responsibility, real identity but delivery----------clean, copy is very important also very simple basic components. Clean options (GitHub address)

1. Force: I don't know, the individual didn't measure the difference.
2. No-write: When True, make a log but not really delete the file, default false

Copy's options (GitHub address)

1. Process: Process file character stream, accept funtion (content, Srcpath), default return content;
2. Noprocess: Set files that are not processed by process, accept an array of file paths
3. Encoding: Accepts encoded string, default grunt.file.defaultEncoding, i.e. UTF8
4. Mode: Set access permissions, accept Boolean or string, True when access to source file is the same, or accept string ' 0777 ', default is False
5. Timestamp: If Atime and mtime are preserved, the test is not valid by default False,windows

----------water point evaporation to make white clouds, petals falling downstream rooting----------

That's all.

Feel good to write more core Filerev and Usemin.

Clean, copy