On Nov 12, 2008, at 4:39 AM, Ryan Davis wrote:
On Nov 11, 2008, at 10:59 , Phil Hagelberg wrote:
Really? String#<=> is pretty well-understood as far as I can tell.
yes... it is very well understood to be very bad for this problem:
>> "a2" <=> "a11"
=> 1
>> 2 <=> 11
=> -1
So use a.1 and a.11 instead of a1 and a11
def test_order
numbers = %w[ 1.0.a 1.0.a.1 1.0.a.2 1.0.a.11 1.0.b.1 1 1.0.1 1.2 ]
versions = numbers.collect { |n| Gem::Version.new(n) }
assert_equal numbers, versions.sort.collect { |v|
v.parts.join(".") }
end
--
Josh Susser
http://blog.hasmanythrough.com
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