From: William James <w_a_x_man@...>
Date: 2005-08-04T11:51:06+09:00
Subject: Re: regex question


Joe Van Dyk wrote:
> I have a file that contains the following contents:
>
> sw_corner = 1000,-1000
> ne_corner = -1000,1000
>
> I want to read that file and figure out what the sw_corner and
> ne_corner values are.  Here's my following attempt, but it looks ugly.
>  How can I improve it?
>
> sw_corner = map_data.scan(/sw_corner = ([-\d]+),\s*([-\d]+)/)[0]
> ne_corner = map_data.scan(/ne_corner = ([-\d]+),\s*([-\d]+)/)[0]

map_data = DATA.read

x = map_data.scan( /(sw|ne)_corner = (-?\d+),\s*(-?\d+)/ )
sw_corner = x.assoc("sw")[1,2]
ne_corner = x.assoc("ne")[1,2]

__END__
sw_corner = 1000,-1000
ne_corner = -1000,1000