From: Bob X <bobx@...>
Date: 2002-10-22T08:55:20+09:00
Subject: Re: functional Ruby equiv to this perl snippet


"Austin Ziegler" <austin@halostatue.ca> wrote in message
news:20021021213317.JIBS2670.tomts5-srv.bellnexxia.net@hogwarts...
<snip>
> File.open automatically raises an error. Where you might want to do
> something different is to have your own FileNotFoundException, like
> so:
>
> class FileNotFoundException < RuntimeError
> end
>
> def load_server_list(filename)
>     servers = []
>     File.exist?(filename) or raise FileNotFoundException, filename
>     File.open(filename).each do |line|
>         next unless line =~ /^\S+$/
>         next if line =~ /^#.*$/
>         servers << line.chomp.sub(/\s+#.*$/, '')
>     end
>     servers
> end
>
> begin
>     servers = load_server_list('serverlist2.txt')
> rescue FileNotFoundException => fnf
>     puts "File '#{fnf.message}' does not exist."
>     exit
> end
I tried this one...replacing 'severlist2.txt' with my actual filename. I get
the following:

D:/Robert/Projects/Ruby/serverchk.rb/serverchk.rb:37:in `load_server_list':
wrong number of arguments(0 for 1) (ArgumentError)
        from D:/Robert/Projects/Ruby/serverchk.rb/serverchk.rb:37

Bob