Add cd.sh to behave like normal cd.

cd.sh

@@ -0,0 +1,49 @@
+# Better cd
+# Usage: cd [full_path|partial_path|path_initials|-]
+#
+# Examples:
+# ~/playground/ $ find . -type d
+# .
+# ./slides
+# ./slides/small
+# ./slides/huge
+# ./swings
+# ./swings/small
+# ./swings/large
+# ~/playground/ $ cd sl
+# ~/playground/slides/ $ cd
+# ~ $ cd p/s/h
+# ~/playground/slides/huge $ cd ../..
+# ~/playground/ $ cd -
+# ~/playground/slides/huge $ cd -
+# ~/playground/ $ cd s/s
+# Warning: Multiple possible paths. Going to first path.
+# ~/playground/slides/small $
+
+function cd {
+	if [[ $# -eq 0 ]]; then
+		builtin cd
+		return
+	fi
+
+	if [[ $# -gt 1 ]]; then
+		echo "too many arguments" >&2
+		return 1
+	fi
+
+	# cd -
+	if [[ $1 == '-' ]]; then
+		builtin cd -
+		return
+	fi
+
+	# Check for absolute path first
+	if [[ -d $1 ]]; then
+		builtin cd "$1"
+		return
+	fi
+
+	# If nothing works
+	echo "$1: No such directory." >&2
+	return 1
+}