More obvious wrapper around file::find
Version 1.00
File::Find is a great module, except that it doesn't actually find anything. Its \*(C`find()\*(C' function walks a directory tree and calls a callback function. Unfortunately, the callback function is deceptively called \*(C`wanted\*(C', which implies that it should return a boolean saying whether you want the file. That's not how it works.
Most of the time you call \*(C`find()\*(C', you just want to build a list of files. There are other modules that do this for you, most notably Richard Clamp's great File::Find::Rule, but in many cases, it's overkill, and you need to learn a new syntax.
With the \*(C`find_wanted\*(C' function, you supply a callback sub and a list of starting directories, but the sub actually should return a boolean saying whether you want the file in your list or not.
To get a list of all files ending in .jpg:
my @files = find_wanted( sub { -f && /\.jpg$/ }, $dir );
For a list of all directories that are not \s-1CVS\s0 or .svn:
my @files = find_wanted( sub { -d && !/^(CVS|\.svn)$/ }, $dir ) );
It's easy, direct, and simple.
The cynical may say \*(L"that's just the same as doing this\*(R":
my @files; find( sub { push @files, $File::Find::name if -f && /\.jpg$/ }, $dir );
Sure it is, but File::Find::Wanted makes it more obvious, and saves a line of code. That's worth it to me. I'd like it if find_wanted() made its way into the File::Find distro, but for now, this will do.
Descends through @directories, calling the wanted function as it finds each file. The function returns a list of all the files and directories for which the wanted function returned a true value.
This is just a wrapper around \*(C`File::Find::find()\*(C'. See File::Find for details on how to modify its behavior.
Copyright 2005-2012 Andy Lester.
This program is free software; you can redistribute it and/or modify it under the terms of the Artistic License v2.0.