From: "Brian Schröder" <ruby@...>
Date: 2004-10-13T03:38:31+09:00
Subject: Re: How to get and compare file lists in directory?

Aron Stansvik wrote:
> s/newfile/new_file
> 
> On Tue, 12 Oct 2004 17:39:20 +0900, Brian Schr�der
> <ruby@brian-schroeder.de> wrote:
> 
>>nkb wrote:
>>
>>>Hi.
>>>
>>>I've a directory with a long list of files (e.g. *.rb, *.txt, etc.). All
>>>my ruby files are named like 00001.rb, 00002.rb up to 05000.rb or so.
>>>What I am really interested is to get the ruby file list and compare it
>>>with an existing list. And if this new list has additional files, I
>>>would invoke another program with just the integer part of the file as
>>>the arugment. (i.e. runmyprogram (5000) instead of runmyprogram (05000.rb))
>>
>>Please note, that in ruby you have to but the argument list with the
>>method call. ie run_my_program(5000).
>>Also for methods snake case is used, so for better readablity enter "_"
>>between the words.
>>
>>
>>>My ruby knowledge allows me to write up to here:
>>>directory = Dir
>>>puts Dir.pwd
>>>puts Dir.entries(Dir.pwd)
>>>
>>>Could anyone help or point me to how to get set the rest of my
>>>requirement? Thanks!!
>>>
>>
>>Warning: Typed directly into the email:
>>
>>oldfiles = (File.exist?'old_rb_files.lst') ?
>>File.open('old_rb_files.lst'){|file|file.read.split("\n")} : []
>>new_files = Dir['*.rb'] - old_files
>>new_files.each do | new_file |
>>  puts "Do something with #{newfile}"
>>end
>>
>>File.open('old_rb_files.lst', 'a+') do | file |
>>  if /(\d+).rb/ =~ file
>>  run_my_program($1.to_i)
>>end
>>
>>regards,
>>
>>Brian
>>--
>>Brian Schr�der
>>http://ruby.brian-schroeder.de/
>>
>>
> 
> 

Oh, thats true. And also I did not follow my own advice to use 
underscores. So s/oldfiles/old_files/ too.

regards,

Brian
-- 
Brian Schr�der
http://ruby.brian-schroeder.de/