rm index and indexof

fd.cm

@@ -1,15 +1,43 @@
 var fd = this
 var wildstar = use('wildstar')
 
+function last_pos(str, sep) {
+  var last = null
+  replace(str, sep, function(m, pos) {
+    last = pos
+    return m
+  })
+  return last
+}
+
 // Helper to join paths
 function join_paths(base, rel) {
-  base = base.replace(/\/+$/, "")
-  rel = rel.replace(/^\/+/, "")
+  base = replace(base, /\/+$/, "")
+  rel = replace(rel, /^\/+/, "")
   if (!base) return rel
   if (!rel) return base
   return base + "/" + rel
 }
 
+fd.join_paths = join_paths
+fd.basename = function basename(path) {
+  var last = last_pos(path, '/')
+  if (last == null) return path
+  return text(path, last+1)
+}
+
+fd.dirname = function dirname(path) {
+  var last = last_pos(path, '/')
+  if (last == null) return ""
+  return text(path,0,last)
+}
+
+fd.stem = function stem(path) {
+  var last = last_pos(path, '.')
+  if (last == null) return path
+  return text(path,0,last)
+}
+
 fd.globfs = function(globs, dir) {
   if (dir == null) dir = "."
   var results = []