From: Choong Wei Tjeng <choong@...>
Date: 2007-03-10T18:20:48+09:00
Subject: Re: Find.find --- returns directories/files backwards

Here's a little something I happened to stumble upon yesterday though. I
think these are pretty sound arguments against calling external
commands, when you have the choice. Might want to take them into
consideration.

http://www.caliban.org/ruby/rubyguide.shtml#external



On Sat, 2007-03-10 at 18:10 +0900, John Joyce wrote:
> You could also use a system call to the tools "which"  or "locate" or  
> "find" on *nix systems and pipe that to where you need it. Very DRY!
> On Mar 10, 2007, at 4:44 PM, Morton Goldberg wrote:
> 
> > On Mar 9, 2007, at 7:35 PM, Brad wrote:
> >
> >> New user question:
> >>
> >> It seems to me when I run:
> >> Find.find('/user/name/documents') {|path| puts path}
> >>
> >> it returns all the directories in the reverse order.  I was expecting
> >> the directories to be returned in alphabetical order, but that  
> >> doesn't
> >> seem to be the case.  Also, in one case it reads half of a  
> >> directory's
> >> files, then the sub dirs and then it finished reading the rest of the
> >> directory it started in and finished writing them in the Puts
> >> statement.
> >>
> >> Am I missing something? How do you do get it to write out the
> >> directories in alphabetical order?
> >>
> >> Any and all help welcome.
> >
> > That's just the way Fine.find works. My experience is that, for  
> > most applications, the order in which Find.find traverses  
> > directories doesn't cause problems. But it may not be the best way  
> > to get a deep list of the contents of a directory. Two alternatives  
> > you might try are
> >
> >    BASE = '/Users/mg/Downloads'
> >
> >    paths = []
> >    Find.find(BASE) { |path| paths << path }
> >    puts paths.reverse
> >
> > or
> >
> >    Dir.glob("#{BASE}/**/*") { |path| puts path }
> >
> > Note: this form of Dir.glob doesn't find dotted (hidden) files and  
> > Fine.find does (there is a flag you can set to get dotted files  
> > with Dir.glob).
> >
> > Regards, Morton
> >
> 
>