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Text File
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1997-03-16
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6KB
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125 lines
Help file for !Joiner
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!Joiner is not Public Domain - it is ⌐ David Holden 1996, and is a part
of the !Chopper Shareware package. It may not be used or distributed
other than as a part of this package or by being placed on a disc of
chopped files by a registered user of !Chopper.
!Chopper is a Shareware package which can split up very large files onto
a number of floppy discs for transport between computers. Although the
main program is intended to be run on Acorn machines there are secondary
programs which run on the PC and which can be used to transport large
files between PCs and Acorns. For more details on the !Chopper package
contact me at the address at the end of this file.
_______________________________________________________________________
Using !Joiner
-------------
!Joiner is used to join together files which have been split up with
!Chopper because they are too big to fit on a single floppy disc. Its
main purpose is to make it easy to distribute very large files on floppy
discs so that the recipient can join them up very easily without needing
to have a copy of the complete !Chopper program
It is incredibly easy to use. You should have found !Joiner on a floppy
disc on which there is at least one other file called <something>01.
This is the first file of the batch you are going to join together.
Put the disc containing !Joiner and the first file into floppy drive :0.
All you have to do is double-click on !Joiner and a window will open in
the centre of the screen. At the top of this window you will see the
name of the file to be joined up (without the '01' suffix). If you want
to alter this you can do so. At the botton right hand corner of this
window is a small plinth with the !Joiner icon (a hammer and nails) on
it. Open a directory viewer on your hard disc where you want to put the
joined-up file and just drag this icon to it. As soon as you do this
!Joiner will copy the first part of the file from the floppy disc to
your hard disc. When the first part is done it will ask you to insert
the disc with the next part of the file. When this happens just take out
the first disc and put in the next - you don't have to click on
anything, as soon as the disc is placed in the drive !Joiner will add
that sectuon of the file to those already on your hard disc.
!Joiner doesn't know how many files files there are to be joined, so
when you have finished just close the window. That's all there is to it.
If you put the wrong disc in the drive then !Joiner will tell you. If
this happens close the Error window BEFORE you change the disc,
otherwise !Joiner won't know that the disc has been changed and you'll
have to take it out of the drive and put it in again.
You need not read the next section if you are just joining up files
distributed on floppy disc - this is additional information mainly
intended for people who use the !Chopper package.
_______________________________________________________________________
Notes
-----
If the files to be joined are on a Acorn format disc (640K, 800K or
1.6Mb) then they must have a filename ending in a two digit suffix
starting at 01 and increasing. If they are on DOS format discs (720K or
1.44Mb) then they must have a file extension in the same format, ie.
starting at .01. No other type of files can be joined by this simple
program, although the complete !Chopper application can join up any
files.
On a DOS format disc this obviously means that the normal file extension
is lost and replaced by the number, so another strategy is used. If
there is a file on the disc called FILETYPE then the file extension of
that file is the same as that of the original. This is the format that
is used when files are split up by !Chopper. In the !Joiner application
directory is a textfile called DOS_Tran. This consistes of a list of DOS
file extensions and equivalent Acorn filetypes. If the DOS extension is
found in this table then the Acorn filetype specified will be used. You
can easily add to this list by loading the file into ant text editor.
!Joiner will normally only be used to join up files which have been
split up onto floppy discs by !Chopper. It therefore makes assumptions
about the files it is going to join. Firstly it assumes that it is on
the same disc and in the same directory as the files it is joining, as
would normally be the case with a floppy disc, because you would put a
copy of !Joiner on the first disc of the set of split files. Secondly it
assumes that the first file will have a name ending in 01, the second
02, and so on, as would normally be done by !Chopper. When it is run it
therefore looks in the same directory as it finds itself for *any* file
with a name ending in 01 and assumes that that is the first file of the
set to be joined. It will expect all subsequent files to be on the same
drive and directory.
Obviously this will normally be ADFS::0.$ and so !Joiner will prompt for
disc changes between files. However, !Joiner can be run from a hard
disc. As before it will look in the directory it has been placed in for
a file with a name ending in 01, but if the disc it is on is bigger than
8Mb it will assume that it is being run from a hard disc and will NOT
prompt for disc changes but just join up all the files it finds with the
same name as the first file. When it has run out of files it will stop
with a message telling you it has finished.
It is not likely that anyone would actually want to use !Joiner in this
way, it is mainly intended for testing purposes.
It is possible to force !Joiner to load the files from floppy disc even
though !Joiner is being run from a hard disc itself. If you hold down
the left ALT key when you run !Joiner it will ignore its own location
and look on ADFS::0.$ for the files. Again this is mainly intended to be
used when testing.
_______________________________________________________________________
For more info on the !Chopper package contact -
David Holden
39 Knighton Park Road
Sydenham
London SE26 5RN
Phone: 0181 778 2659
email: info@apdl.co.uk