class File
Public Class Methods
Source
# File lib/inline.rb, line 858 def self.write_with_backup(path, content) renamed = false if File.file? path then renamed = "#{path}.old" begin File.rename path, renamed rescue SystemCallError # in case of race condition # do nothing end end File.write path, content renamed end
Equivalent to File::open
with an associated block, but moves any existing file with the same name to the side first. Returns renamed path or false if none.