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Diffstat (limited to 'pod/modpods/Find.pod')
-rw-r--r-- | pod/modpods/Find.pod | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/pod/modpods/Find.pod b/pod/modpods/Find.pod new file mode 100644 index 0000000000..81b46a9879 --- /dev/null +++ b/pod/modpods/Find.pod @@ -0,0 +1,44 @@ +=head1 NAME + +find - traverse a file tree + +=head1 SYNOPSYS + + use File::Find; + find(\&wanted, '/foo','/bar'); + sub wanted { ... } + +=head1 DESCRIPTION + +The wanted() function does whatever verificationsyou want. $dir contains +the current directory name, and $_ the current filename within that +directory. $name contains C<"$dir/$_">. You are chdir()'d to $dir when +the function is called. The function may set $prune to prune the tree. + +This library is primarily for the C<find2perl> tool, which when fed, + + find2perl / -name .nfs\* -mtime +7 \ + -exec rm -f {} \; -o -fstype nfs -prune + +produces something like: + + sub wanted { + /^\.nfs.*$/ && + (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) && + int(-M _) > 7 && + unlink($_) + || + ($nlink || (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_))) && + $dev < 0 && + ($prune = 1); + } + +Set the variable $dont_use_nlink if you're using AFS, since AFS cheats. + +Here's another interesting wanted function. It will find all symlinks +that don't resolve: + + sub wanted { + -l && !-e && print "bogus link: $name\n"; + } + |