diff -r 9416fc33d2a0 -r 1bd03bcf26b4 lib/Fops.pm
--- a/lib/Fops.pm	Tue Aug 02 16:02:54 2011 +0200
+++ b/lib/Fops.pm	Tue Aug 02 17:12:48 2011 +0200
@@ -1,7 +1,10 @@
 package Fops;
+use 5.010;
 use strict;
 use warnings;
 use Carp;
+use base qw(Exporter);
+our @EXPORT_OK = qw(_path);
 
 our $VERSION = "0.1";
 
@@ -17,12 +20,38 @@
 
 sub type { shift->{type} }
 sub pwd  { shift->{cwd} }
+sub root { shift->{root} }
 
 sub cd {
     my $self = shift;
     croak "method `cd' needs implementation in " . ref $self;
 }
 
+sub stat {
+    my $self = shift;
+    croak "method `stat` needs implementation in " . ref $self;
+}
+
+sub _path {
+    my @parts = grep {length} split /\// => join "/", @_;
+    my @path;
+
+    while (@parts) {
+        my $_;
+        given ($_ = pop @parts) {
+            when (".")  { }
+            when ("..") { pop @parts }
+            default { unshift @path => $_ }
+        }
+    }
+
+    #$self->{cwd} =~ s{/\.(?=/|$)}{}g;	# dots
+    #$self->{cwd} =~ s{/[^/]+/\.\.(?=/|$)}{}g;
+    #$self->{cwd} =~ s{/+}{/}g;
+
+    return "/" . join "/" => @path;
+}
+
 1
 __END__