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1991-10-25
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Copyright (c) 1990 1991, Iverson Software Inc. All rights reserved.
Please also read the documents in directory !J.Docs.
J for the Archimedes.
The !J application is an implementation of J for the Archimedes.
Double-click on the !J icon to start J. An icon will appear on the icon bar,
and a J Session window will appear on the desktop, ready for input.
J Session window menu
---------------------
Info About this program.
Record Drag the icon to a filer window to begin recording the session.
If ticked, click to end recording.
Save Save WS or session
WS Drag the icon to a filer window to save the current J workspace.
Session Drag the icon to a filer window to save the contents of the
J Session window.
Select This submenu works just like !Edit's.
Save Drag the icon to a filer window or to another application to save
the current selection.
Copy
Move
Delete
Clear
Wrap Click to toggle line-wrap.
Quit Quit J. WARNING: all unsaved work will be lost.
Closing this window does not end the session. The window may be re-opened by
clicking on the J icon on the icon bar.
J Session window
----------------
To enter a J sentence, type a line at the end of the session window followed
by Return.
To recall an earlier line, move the cursor to it by clicking the mouse or
using the cursor keys, and press enter once. The line will be copied
at the end of the session and can be edited. Alternatively, the first edit
character entered on an earlier line will cause the edited line to be copied
to the end of the session.
Cursor control and editing keys, and mouse control, are similar to those for
!Edit.
Selection facilities (copy, move, delete, clear) are provided.
Drop a Text file containing a J script from the filer or from another
application (eg !Edit) on the J Session window to read the script. Multiple
files can be selected and dropped.
Drop a Data file containing a J workspace icon on the J Session window to
load the workspace.
J Icon menu
-----------
Info About this program.
Restore Restores the J Session window.
New session Start a new J session.
Quit Quit J. WARNING: all unsaved work will be lost.
J Icon
------
Drop a Text file containing a J script from the filer or from another
application (eg !Edit) on the J Icon to start a new J Session and read the
script. Multiple files can be selected and dropped to start multiple
sessions, if there is enough memory.
Drop a Data file containing a J workspace icon on the J Icon to start a new
J session and load the workspace.
!J.Profile
----------
If a Text script file called Profile exists in the !J application directory,
it will be read in when J starts.
J command
---------
J may be started from a command line.
J [-v]
Start a vanilla J session using the full screen. No session manager is
loaded and standard BBC text editing must be used.
J -d[nnn] [-s<script>] [-w<workspace>]
Start a desktop J session.
-dnnn Set the session buffer size to nnn bytes (default 16384).
-s<script> Read the given Text script file instead of !J.Profile.
-w<workspace> Load the given Data workspace file insead of !J.Profile.
Paul Chapman
1991 10 25