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would enter: MR T'S SUPPORT* . This |
rule applies whenever you search even |
if you know the exact file name you |
must add a "*" as the last character. |
If you select (5) from the first menu |
you will then see the second menu. If |
you select (1) printing will start as |
soon as you enter 1. Any key will halt |
it and then any key wil resume it. If |
you enter "Q" that will quit this mode. |
This same group of rules applies to any |
area of the program where you are |
printing or have selected a screen |
display in lieu of printing. |
Here are some ideas you may wish to |
use. I only log games that can be |
transfered to a disk and the file names |
are all visable and in UPPER CASE with |
no graphic symbols. This program uses |
"seq" files so searches can take some |
time. Because of this I don't log all |
my disks. Maybe just the 10 or 20 disk |
that you normal use on a normal |
basis. I found manny duplications so I |
scratched a number of files. Manny |
games and programs became obsolete in |
this process. If this program is used |
properly you should be able to locate |
any file, avoid the use of the same ID |
number on two different disks,print |
your directories (sorted) and maxamize |
disk space. |
ARC VERSION 2.20 PAGE - 41 |
What Makes ARC Tick? |
The following psuedo-code should make it fairly clear |
as to what ARC is doing when creating or extracting an |
archive. We get alot of questions along these lines. |
Hopefully this section will answer some of them. |
But first we'll define some of the terminology we will |
be using. |
The general format for the ARC command is: |
ARC/XY/Z D:ARCNAME D:PARM1 D:PARM2 ..... |
The command line is the command that you typed in to |
get ARC going. It is simply a series of character strings |
separated by spaces. The first character string on the |
command line, ARC/XY, is of course the command. X and Y are |
called switches. We'll call X switch one, Y switch two, and |
Z switch 3. |
The remaining strings on the command line are called |
parameters. Thus D:ARCHNAME is parameter number one, D:PARM1 |
is parameter number two and so on. ARC allows for a maximum |
of ten parameters (0-9) including the command itself, which |
is parameter number zero. |
Note that spaces are not allowed within a parameter, as |
ARC will interpret this as being two separate parameters. If |
you want to specify a file named "ONE TWO THREE", then you |
can do one of two things. You could specify it using |
wildcards as "ONE?TWO?THREE", or you could use shifted |
spaces instead of spaces in the filename; ARC will change |
them to spaces and get the correct file. |
ARC VERSION 2.20 PAGE - 42 |
When you hit RETURN, ARC does the following: |
GET switch 1 |
TEST switch 1 for valid character... A,C,F,L,P or V |
IF switch 1 is invalid then abort. |
GET parameter 1 |
IF no parameter 1 THEN |
abort. |
ELSE |
add .arc extension to parameter 1 if req'd |
IF switch 1 is A or C THEN |
open archive for write |
ELSE |
open archive for read |
ENDIF |
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