From 5bfb70e9dbc8636730bab7725b3eaf5423a2e30f Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Sun, 13 Sep 2020 11:38:31 +0900 Subject: Fix `File.extname` bug; fix #5077 --- mrbgems/mruby-io/mrblib/file.rb | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mrbgems/mruby-io/mrblib/file.rb b/mrbgems/mruby-io/mrblib/file.rb index 1854deb4e..aa73252e1 100644 --- a/mrbgems/mruby-io/mrblib/file.rb +++ b/mrbgems/mruby-io/mrblib/file.rb @@ -191,9 +191,9 @@ class File < IO def self.extname(filename) fname = self.basename(filename) - return '' if fname[0] == '.' || fname.index('.').nil? - ext = fname.split('.').last - ext.empty? ? '' : ".#{ext}" + epos = fname.rindex('.') + return '' if epos == 0 || epos.nil? + return fname[epos..-1] end def self.path(filename) -- cgit v1.2.3