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Bug #3882

closed

REGRESSION: File.extname() broken (at least >= 1.8.7)

Added by AndiM (Andreas Mohr) over 13 years ago. Updated over 4 years ago.

Status:
Closed
Target version:
-
[ruby-core:32599]

Description

=begin
Hi,

#!/usr/bin/ruby

require 'pathname'

mytest_filename = ARGV.shift

#mytest_filename_cleaned = Pathname.new(mytest_filename).cleanpath
mytest_filename_cleaned = mytest_filename

puts "mytest_filename #{mytest_filename} mytest_filename_cleaned #{mytest_filename_cleaned}"

myext = File.extname(mytest_filename_cleaned)
puts "mytest_filename_cleaned #{mytest_filename_cleaned} myext #{myext}"

Try .//test.out
Won't do what it should, at least on u10.04 ruby1.8 1.8.7.249-2 and ruby1.9.1 1.9.1.378-1,
as opposed to correct behaviour on ruby-1.8.5-5.el5_4.8.

Since http://ruby-doc.org/core/classes/File.html#M002543 doesn't really specify extname() argument composition constraints
(other than it being a path), it should accept duplicate slashes since this syntax is treated as a valid path pretty much everywhere.

Do you happen to have a test suite for these core API things? Since extname() also had some other issues (spaces before extension etc.),
this would be useful.

Other than this rather disturbing behaviour, I'm VERY impressed with Ruby.

Thanks,

Andreas Mohr
=end

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