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1995-05-05
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EDIT (1.3, 2.x, 3.x) (Located in the C: Directory)
SYNOPSIS
An AmigaDOS line editor.
FORMAT
EDIT [FROM] fromname [TO] toname [WITH] withname
[VER] vername [OPT W chars or WIDTH chars] [OPT P lines
or PREVIOUS lines]
EXPLANATION
Unless you grew up with UNIX and really dig line
editors you should really try a different program (even
Ed) before you dive into Edit.
What does set Edit apart from Ed (and most other text
editors) is that it is able to edit binary files and it
can execute a predefined list of line editor commands.
Please note that starting with version 2 of Ed you
can do the same thing, so there is really no need to keep
both of these programs hanging around on your system
disk.
KEYWORDS
FROM
EDIT requires the FROM keyword. This will tell EDIT
which file to edit. This filename must exist. EDIT will
not create the file for you like Ed will.
TO
This will tell edit where to save the file to once
you decide to finish. If this is the second command in
your arguement, you do not need the TO keyword.
EDIT is limited in the fact that it will not
overwrite a file that already exists. If the TO filename
is the same as the FROM filename then instead of
overwriting the FROM filename it will be save the
original as :t/edit.backup. The file you are working on
then gets named and saved as the FROM filename.
WITH
This specifies a file which will be used as input to
EDIT's command options. The contents of WITH must be a
series of valid options for it to work. If WITH is the
third argument in an EDIT command line, the keyword is
optional. If you don't use this keyword you must manually
input your parameters.
Due to the huge scope of available commands you
should consult your Amiga System manual on how to
configure EDIT.
If there is enough of an interest I will write a full
tutorial on how to configure EDIT.
VER
This lets you specify where to send the output of
EDIT to. You can send the output to any logical device
including PRT: to print it.
OPT W or WIDTH
OPT P or PREVIOUS
This lets you set the actual physical size of EDIT.
WIDTH lets you set the actual line length. PREVIOUS lets
you designate how many lines will be kept in EDIT's
history buffer.
The default for line length is 120 characters and the
default history buffer is 40 lines. If you multiply the
WIDTH by the PREVIOUS you will get the exact amount of
RAM you need to reserve as a work buffer. This amount can
be set with the STACK command.
If you set the OPT W and OPT P options, you must use
the OPT keyword with the W or P letters.
EXAMPLES
1. To edit a file called MyText in the default
directory:
EDIT MyText
2. To edit a file called MyText and to save it under
a file called YourText that is 5000 lines long:
EDIT FROM MyText TO YourText OPT P5000
3. To edit a file called MyText and to use the editor
commands located in the edit.prefs file (which you
created earlier). The data will then be saved as
YourText. And, to send all the messages and verifications
from EDIT to your printer while setting the number of
lines to 50 and a line width as 175:
EDIT FROM MyText TO YourText WITH edit.prefs VER
PRT: OPT W175 OPT P50
See also:
STACK