Class: File

Inherits:
Object
  • Object
show all
Defined in:
lib/absolute_renamer/libs/file.rb

Overview

Extension of existing File class.

Class Method Summary collapse

Class Method Details

.extname(path, dot = 1) ⇒ Object

Returns the extension of a file. path: the path of the file dot: starting from the end, number of dots to count before cuting extension.



6
7
8
9
10
 
# File 'lib/absolute_renamer/libs/file.rb', line 6

def extname(path, dot = 1)
    pattern = (0...dot).inject('') { |pat,x| pat << '\.[^\.]+' } << '$'
    ext = File.basename(path).match(pattern).to_s
    ext.empty? ? "" : ext[1..ext.length]
end