From: seanh1313@...
Date: 2011-04-02T04:42:10+09:00
Subject: Re: Searching a CSV file - beginner seeking help

OK
1) I would make this as modular as you can, that way you can expand it when needed.
2) When you do your "if @names.include?(film)" is where you would do your regx search.
Here is a link or so : 
http://www.regextester.com/
http://www.regular-expressions.info/reference.html


3) Working on something for you.



---- Simon Harrison <simon@simonharrison.net> wrote: 
> Hi all. I've written a little script to search a csv file for films. It
> works but has problems. I'd appreciate any pointers with the following:
> 
> 1. I've used instance variables without a class, to make them visible
> amongst methods. Is this acceptable for a short script like this?
> 
> 2. As it is, it will only match exactly. For example, I have The Mummy
> and The Mummy Returns. If I search for 'mummy' program reports "film not
> found." I know I need to use Regexp's, not sure how to implement it here
> though.
> 
> 3. Any other comments gratefully received.
> 
> 
> #################
> # search_films.rb
> #################
> 
> require 'csv'
> 
> def load_xvid_file(path_to_csv)
>   @names = []
>   csv_contents = CSV.read(path_to_csv)
>   csv_contents.shift
>   csv_contents.each do |row|
>     @names << row[0]
>   end
>   @names.each { |f| f.downcase! }
> end
> 
> def search_for_film
>   print "Enter name of film to search for: "
>   film = gets.chomp.downcase
>   puts
> 
>   if @names.include?(film)
>     puts "#{film} found!"
>   else
>     puts "#{film} not found :("
>   end
>   prompt
> end
> 
> def prompt
>   print "Search again? (y or n) "
>   answer = gets.chomp.downcase
> 
>   case answer
>   when /y/
>     search_for_film
>   when /n/
>     puts "Goodbye."
>     exit
>   else
>     prompt
>   end
> end
> 
> load_xvid_file("/home/simon/Documents/CSV/XviD.csv")
> search_for_film
> 
> -- 
> Posted via http://www.ruby-forum.com/.
>