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1991-02-14
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WCED Command Line Editor and History
------------------------------------
Copyright 1990 Stuart Russell
Wced is a command line editor and history utility. It is capable of
remembering the last 30 commands entered by the user. Only one
instance of each command is remembered. It is also possible to remove
from the history any unwanted commands. The main aim of Wced is to
improve the command line editing of DOS but use as little memory as
possible. When installed, wced uses approximately 10k of conventional
memory.
Usage:
wced [-c] [commands]
The c flag allows continuous movement through the history. Normally
when either end of the history is reached it is not possible to move
any further. However, with the c flag specified moving past the first
command entered will result in the bell being sounded. The next press
of the UP arrow will display the last command entered. A similar operation
occurs when moving forward through the history.
The semi-colon delimited commands specified on the command line when Wced is
invoked will be placed into the history list before any commands are typed
at the DOS prompt. This enables popular commands to be retrieved by using
the UP arrow.
The default editor and history keys are as follows :
Left Arrow Move cursor left along command line
Right Arrow Move cursor right along command line
CTRL-Left Move cursor left to end of word
CTRL-Right Move cursor right to end of word
Home Move to beginning of command line
End Move to end of command line
Up Arrow Move backwards through history
Down Arrow Move forwards through history
ESC,ALT-d Delete entire command line
Del Delete character under cursor on command line
BS Delete character before cursor on command line
F10 Quit and uninstall Wced
ALT-r Remove entry on command line from history
ALT-v Print version
ALT-b Delete to beginning of command line
ALT-e Delete to end of command line
ALT-c Complete filename
ALT-s Show possible filename completions
Wced only operates in insert mode - there is no overtype mode.
The history commands will attempt to complete the command on the
command line. For example if the history contains 'ls','cd backup'
and 'less nogood' and the user enters 'le' and presses the Up Arrow
then the command will be completed as 'less nogood' (the quotes will
not be printed). If Wced can not complete the command it will sound
the bell.
Version 1.5 of Wced has filename completion. This allows filenames to
be completed at the press of a key. Wced will attempt to uniquely match
the partial filename given. If this is not possible then no action is
taken.
Version 1.6 of Wced is able to show possible filename completions.
Any comments, problems or suggestions for additions should be sent to
sjr@uk.ac.warwick.cs
The Wced program is accompanied by a program called Wkeys. This allows
the editor and history keys to be reprogrammed to suite the user. Wkeys
allows the use of the extended keys, ie F11, on an extended keyboard.
The keys are defined in a data file an example of which is supplied.
Usage:
wkeys exe_filename data_filename
If an error occurs the exe file will not be updated.