Write files! Can use new content to replace the file all the content?

[igoogle]

Write files!
Can use new content to replace the file all the content?

Such as the content of the now is: aaaaa
With the content of the now replace documents inside all of content

 

[shinigami]

There is macro that can take whole file content (Files and directories - get block of text). You can take it with removing and then add new content to the file