Rebol [ Title: "Change directory" Date: 20-Jul-2003 File: %oneliner-cd.r Purpose: {Used alone, return the actual dir. Used with a dir name, changes the actual dir and return the new dir.} One-liner-length: 66 Version: 1.0.0 Author: "Romano Paolo Tenca" Library: [ level: 'beginner platform: none type: [How-to FAQ one-liner function] domain: [file-handling] tested-under: none support: none license: none see-also: none ] ] cd: func [d [unset! file!]][if value? 'd [change-dir d] what- dir]