Delete all the content from file

Question

I want to remove the content form the list of files.

EDIT :

I have list of files.

file1 file2 file3

Those file containing bunch of lines ...

I want to remove all the lines from each files.

Answer 1

Looks like you need to truncate file. Do something like:

File.open('/tmp/file', 'w') {|file| file.truncate(0) } 

Answer 2

To truncate a file:

File.truncate('/path/to/file', 0) 

To truncate list of files:

[file1, file2, file3].each { |file| File.truncate(file, 0) }