In J602 it is part of the files.ijs script and needs to be loaded: require 'files' fexist jpath '~temp/xyz.txt'
In J701 the files script has been merged into stdlib.ijs. http://www.jsoftware.com/trac/base7/browser/trunk/main/main/files.ijs On Thu, Dec 30, 2010 at 1:39 PM, Charles Turner <[email protected]> wrote: > Hi all- > > A beginner's question: > > How would I ask J to determine whether a certain file exists on disk? > > Something like: > > ifexists jpath '~temp/xyz.txt' > > which would return a boolean 0 or 1. > > ? > > Thanks, Charles > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
