From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2008-04-23T17:16:32+09:00
Subject: Re: Extract date from filenames using regex

On Wed, Apr 23, 2008 at 10:01 AM, 7stud -- <bbxx789_05ss@yahoo.com> wrote:
>
> Clement Ow wrote:
>  > //sins00114178/mad/Singapore/CubeMorningLDN/HKD_CUBE_risk
>  > report_16042008.dat size: 77 KB
>  > c:/ruby/lib/ruby/1.8/date.rb:1536:in `new_by_frags': invalid date
>  > (ArgumentError
>  > )
>  >         from c:/ruby/lib/ruby/1.8/date.rb:1583:in `parse'
>  >         from testing.conf.rb:166:in `delFiles'
>  >         from testing.conf.rb:163:in `glob'
>  >         from testing.conf.rb:163:in `delFiles'
>  >         from testing.conf.rb:162:in `each'
>  >         from testing.conf.rb:162:in `delFiles'
>  >         from testing.conf.rb:204
>  >
>  > Is there anything wrong with mycode that prevents deleting all the files
>  > that I want?
>
>
>
>  require 'date'
>
>  str = 'sins00114178'
>  pattern = /(\d\d)(\d\d)(\d\d\d\d)/
>
>  match_obj = pattern.match(str)
>  puts match_obj[1]
>
>  file_date = DateTime.parse(match_obj[1])
>
>  --output:--
>  00
>  /usr/lib/ruby/1.8/date.rb:1214:in `new_with_hash': invalid date
>  (ArgumentError)
>         from /usr/lib/ruby/1.8/date.rb:1258:in `parse'
>         from r1test.rb:9

You are right, I overlooked the fact that he had added more parens
in the regexp, so he was passing only two digits to DateTime.parse.
Anyway the changes I proposed should work for him.

Jesus.