NAME

find - traverse a file tree

finddepth - traverse a directory structure depth-first

SYNOPSIS

use File::Find;
find(\&wanted, '/foo','/bar');
sub wanted { ... }

use File::Find;
finddepth(\&wanted, '/foo','/bar');
sub wanted { ... }

DESCRIPTION

The wanted() function does whatever verifications you want. $File::Find::dir contains the current directory name, and $_ the current filename within that directory. $File::Find::name contains "$File::Find::dir/$_". You are chdir()'d to $File::Find::dir when the function is called. The function may set $File::Find::prune to prune the tree.

File::Find assumes that you don't alter the $_ variable. If you do then make sure you return it to its original value before exiting your function.

This library is primarily for the find2perl tool, which when fed,

    find2perl / -name .nfs\* -mtime +7 \
	-exec rm -f {} \; -o -fstype nfs -prune

produces something like:

sub wanted {
    /^\.nfs.*$/ &&
    (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
    int(-M _) > 7 &&
    unlink($_)
    ||
    ($nlink || (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_))) &&
    $dev < 0 &&
    ($File::Find::prune = 1);
}

Set the variable $File::Find::dont_use_nlink if you're using AFS, since AFS cheats.

finddepth is just like find, except that it does a depth-first search.

Here's another interesting wanted function. It will find all symlinks that don't resolve:

    sub wanted {
	-l && !-e && print "bogus link: $File::Find::name\n";
    }