This script gives examples of calling J from J. Similar routines may be written in other languages that can call DLLs or shared objects.
Download the script callj.ijs
Download (and update as needed) this script to call J701 from J602 calljdm.ijs
Main definitions:
jcmd send sentence, return result jdo send sentence to be executed jget retrieve value of J noun jset assign value to J noun
Utilities:
jinit initialize J instance, sets global pJ jfree free J instance
For example:
jinit'' 158471920 jdo 'a=: i.3' 0 jget 'a' 0 1 2 'a' jset 'hello' jget 'a' hello jcmd '2 * 1 2j3' 2 4j6 jfree'' 0