jade.ijs

This script defines J session utilities ((J application development environment) and is included in the J standard library.

Definitions are loaded into the j locale with cover functions in z.

Definitions

jpath (verb)

Convert folder name to full path.

Example

   jpath '~bin/profile.ijs'
/home/elmo/j9/bin/profile.ijs

For more information, on folder names see Folders and Projects.

load (verb)

load scripts

Argument is a list of names, as full or relative pathnames, or script shortnames.

Example

load 'numeric plot'           - load numeric and plot scripts
load '~system/main/task.ijs'  - load the task script

load calls the utility getscripts_j_ to resolve names, for example:

   >getscripts_j_ 'numeric'
/home/elmo/j9/addons/general/misc/numeric.ijs

loadd (verb)

load scripts with display

This is the same as load except that the script is displayed as it is executed.

require (verb)

load scripts if not already loaded

scripts (verb)

this lists the script shortnames, which are stored in Public_j_.

Syntax

scripts ''        NB. list names
scripts 'v'       NB. list names with corresponding scripts

show (verb)

show names using a linear representation

Useful for a quick summary of definitions.

Syntax

show namelist  (e.g. show 'deb edit list')
show numbers   (from 0 1 2 3=nouns, adverbs etc)
show ''        (equivalent to show 0 1 2 3)

Example

   show 'IF*' nl_z_ 0
IF64=: 1
IFIOS=: 0
IFJA=: 0
...

wcsize (verb)

Return size of console, as columns and rows.

Example

   wcsize''
79 24

xedit (verb)

Load file in external editor.

Syntax

xedit file [ ; row ]   (row is optional and is 0-based)