Home » Archimedes archive » Acorn Computing » 1993 04 Mega Disk.adf » !_93_04 » PD/!PackDir/Docs/Guide
PD/!PackDir/Docs/Guide
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » Archimedes archive » Acorn Computing » 1993 04 Mega Disk.adf » !_93_04 |
| Filename: | PD/!PackDir/Docs/Guide |
| Read OK: | ✔ |
| File size: | 2AA7 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
>Guide
_______________________________________________________________________________
PackDir 1.17 -------------------------------
This program is PUBLIC DOMAIN
Version date : 20 Oct 1991 -------------------------------
----------------
- Introduction -
----------------
PackDir will archive an entire directory, including all its subdirectories,
into a very compact archive file. Directories in archives may be completely
restored at either their original path or a new path.
PackDir uses LZW compression (also widely used in most present day archivers)
to substantially reduce the archive's size. It uses highly optimized ARM code
compression and decompression routines, making it *very* fast, which was
necessary to make it a viable alternative to the (excellent, but very slow)
!Spark (de)archiving application by David Pilling.
I wrote PackDir only to facilitate really fast and compact backup, for hard
discs and the like. PackDir is not meant to be an alternative to Spark in any
other way, as the archives made by PackDir have an incompatible format.
Speed ?
PackDir archives around 3 times as fast as !Spark, and unpacks about 3.5 times
as fast, resulting in about the same size archives (0.5% smaller). (!Spark was
set to 13-bit 'Compress', !PackDir to 13-bit, no background mode. Testing was
in mode 0).
-------------------------
- Using the application -
-------------------------
To start up PackDir, either :
- Double-click on the '!PackDir' icon.
- Double-click on a PackDir archive file, after !PackDir has been seen by the
filer.
It will install itself on the icon bar, and clicking MENU on PackDir's icon
will pop up the main menu (refer to its discussion below).
Archiving a directory
---------------------
To archive a directory, simply drag it onto PackDir's iconbar icon. A save
window will appear. Dragging the archive icon to a directory viewer will start
the archiving process.
By default, the leafname of the archive file is set to the directory's
leafname. You may change this by entering another leafname into the writable
icon below the archive icon.
NOTE : Pressing CTRL while dragging a directory to PackDir will archive the
parent of the directory. This is to enable archiving of the root directory ($)
of a disc. The default leafname will be 'Root', as '$' is an illegal filename.
Unpacking an archive
--------------------
To unpack an archive, drag it onto PackDir's iconbar icon, or double-click on
it. A save window will appear. Dragging the directory icon to a directory
viewer will start the unpacking process.
By default, the leafname of the directory is set to the archive's leafname.
You may change this by entering another leafname into the writable icon below
the directory icon.
Unpacking may also be to the original path (including filing system), which has
been stored in the archive (see the 'Old path' option). In this case, no save
window will appear, and unpacking starts immediately.
The information window
----------------------
Clicking on the iconbar icon with either SELECT or ADJUST will pop up a report
window, in which continuous information is given about the actions performed
during (de)archiving.
'Old path' indicates the full original path up to and including the directory
to be archived or being unpacked. 'New path', when unpacking, shows the full
path of the directory being recreated (i.e. the old path when the 'Old path'
option is on).
Also shown are :
- The 'local' filename of the current file or directory being (un)archived
- The length of the last (archiving) or current (unpacking) file or directory
- The number of compression bits (being) used
- The compression ratio achieved on the last (archiving) or current (unpacking)
file or directory
- The total file data compression ratio so far (archiving), or the total ratio
(unpacking, shown only at the end)
- A count of items (files and directories) (un)archived so far (including the
top directory itself)
- A red bar representing an amount of original file data processed so far, with
behind it an amount in bytes.
When archiving, a full bar represents the total amount of original file data.
The beige part of the bar represents the size of the current file being
archived. The amount shows the total amount of original file data in bytes,
and is not updated.
When unpacking, the bar is not updated. The amount shows the total amount of
original file data unpacked so far.
- A green bar representing an amount of archived file data processed so far,
with behind it an amount in bytes.
When archiving, a full bar represents the total amount of original file data.
If viewed together with the red bar, the relative sizes of the archived file
data and the original file data, processed so far, may be observed. The
amount shows the total amount of archived file data accumulated so far.
When unpacking, a full bar represents the total archive file size. The beige
part shows the size of the part of the archive that is currently being
processed. The amount shows the total amount of archived file data processed
so far.
-----------------
- The main menu -
-----------------
Clicking MENU on the iconbar icon will pop up the main menu. The 'Quit' and
'Info' icons have their usual effect.
The main purpose of the main menu is to provide access to PackDir's control
window. The 'Control' icon in the main menu gives access to this control window
in two ways :
a) Following its submenu arrow, a non-permanent control window is popped up.
This disappears automatically, subject roughly to normal submenu behaviour.
b) Clicking on it pops up a permanent control window. This only disappears
after clicking on its close icon.
Several types of icons appear in the control window :
- Toggle icons. These are square, and clicking on them switches the
corresponding option on (red square in its middle) or off ('closed' box).
- Radio icon sets. Icons in these sets are diamond shaped, and act like the
toggle icons, but only one of them may be on. Switching any one on will
switch off all the others in the same set (hence the name 'radio' icons).
The functions of the main menu icons and the icons in the control window are
discussed below. Icons are named by giving their menu 'path', submenu arrows
being indicated by '|'. Sometimes the text above a set of icons (usually radio
icons) is indicated as being a 'submenu' in itself.
-----------
| Control |
-----------
This icon gives access to the control window.
-------------------------
| Control | Compression |
-------------------------
This set of radio icons enables you to select the maximum number of bits used
in LZW compression when archiving a directory.
There is a choice of 12, 13, 14, 15 and 16 bits. More bits usually results in
better compression. This is especially true on large text files.
The disadvantage of using more bits is that it also requires more memory to
archive/unpack. In general, for compression (archiving) 12*2^bits and for
decompression (unpacking) 9*2^bits bytes, i.e. from 48/36K for 12-bit up to
786/576K for 16-bit.
When memory allows, choose the lowest number of bits that yields the highest
compression ratio. Experimentation is the key here.
-------------------
| Control | Store |
-------------------
This set of radio icons determines what is stored in new archive(s).
When 'All' is selected, everything is stored, which is the normal situation.
When 'Skeleton' is selected, everything is stored, except file's contents. This
setting may be useful, for example, to compactly store away a directory's
structure only, when the actual file data is irrelevant. E.g. when you need to
show someone (via a modem) what's in the directory, but, obviously, don't want
to transmit all the data with it. Obviously, these archives will be very small,
and will be created very quickly.
----------------------
| Control | Recreate |
----------------------
This set of radio icons enables you to select what will be recreated from an
archive.
When 'All' is selected, everything that's in the archive is recreated, which is
the normal situation. Archives that were saved as skeletons will unpack like
'Envelope' (see below).
When 'Envelope' is selected, everything is recreated, except file's contents.
Files will have the correct length, but will contain 'junk'. The space taken
will be exactly the original amount. This setting may be useful, for example,
to have a quick look at how much room the unpacked directory will require.
When 'Skeleton' is selected, everything is recreated, except file's contents,
and all file's lengths are set to zero. This setting may be useful, for
example, to have a quick look at an archive's contents (file dates, filetypes,
etc.), sacrificing a minimal amount of temporary disc space.
-----------------------
| Control | Unpack to |
-----------------------
This set of radio icons chooses the path to which an archive is unpacked.
When 'Old path' is selected, then unpacking an archive is to the original
filing system and directory path (which has been stored within the archive).
When 'New path' is selected, unpacking is to a different directory than the
original one. The destination directory is the directory of the filer window
that the directory icon was dragged to.
-----------------------
- Memory requirements -
-----------------------
!PackDir runs in a minimum amount of memory when dormant. Prior to archiving
or unpacking, all available memory is grabbed, and released again on
completion of the operation.
NOTE : The amount of extra memory needed (i.e. the amount you must keep free)
varies, depending on the number of bits compression. Extra memory on top of
that needed for (de)compression tables will be used for file buffering, thus
speeding up processing.
-----------
- The end -
-----------
If you have praise, complaints, comments, bugs(!), or anything else to offer
me, do not hesitate to write to
John Kortink
Middelhuisstr. 17
7482 EL Haaksbergen
The Netherlands
or send email to kortink@cs.utwente.nl
New versions of the application are available from the same address : just send
�1 to cover postage and a self-addressed envelope containing a 3.5" disc.
It is not very likely though that many new versions will appear. !PackDir
serves a simple purpose, and does it well, and this will remain to be so.
Happy archiving !!!
_______________________________________________________________________________
!!! NOTE !!!
You may NOT change this application or use ANY part of it in other products
without my approval. You may spread it freely (with *ALL* files included), but
not for any profit. This software is provided 'as is'. Using it is entirely at
your own risk.
_______________________________________________________________________________
00000000 3e 47 75 69 64 65 0a 5f 5f 5f 5f 5f 5f 5f 5f 5f |>Guide._________|
00000010 5f 5f 5f 5f 5f 5f 5f 5f 5f 5f 5f 5f 5f 5f 5f 5f |________________|
*
00000050 5f 5f 5f 5f 5f 5f 0a 0a 50 61 63 6b 44 69 72 20 |______..PackDir |
00000060 31 2e 31 37 20 20 20 20 20 20 20 20 20 20 20 20 |1.17 |
00000070 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00000080 20 20 20 20 20 20 20 2d 2d 2d 2d 2d 2d 2d 2d 2d | ---------|
00000090 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |----------------|
000000a0 2d 2d 2d 2d 2d 2d 0a 20 20 20 20 20 20 20 20 20 |------. |
000000b0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
*
000000d0 20 20 20 20 20 20 20 54 68 69 73 20 70 72 6f 67 | This prog|
000000e0 72 61 6d 20 69 73 20 50 55 42 4c 49 43 20 44 4f |ram is PUBLIC DO|
000000f0 4d 41 49 4e 0a 56 65 72 73 69 6f 6e 20 64 61 74 |MAIN.Version dat|
00000100 65 20 3a 20 32 30 20 4f 63 74 20 31 39 39 31 20 |e : 20 Oct 1991 |
00000110 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00000120 20 20 20 20 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d | ------------|
00000130 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |----------------|
00000140 2d 2d 2d 0a 0a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |---..-----------|
00000150 2d 2d 2d 2d 2d 0a 2d 20 49 6e 74 72 6f 64 75 63 |-----.- Introduc|
00000160 74 69 6f 6e 20 2d 0a 2d 2d 2d 2d 2d 2d 2d 2d 2d |tion -.---------|
00000170 2d 2d 2d 2d 2d 2d 2d 0a 50 61 63 6b 44 69 72 20 |-------.PackDir |
00000180 77 69 6c 6c 20 61 72 63 68 69 76 65 20 61 6e 20 |will archive an |
00000190 65 6e 74 69 72 65 20 64 69 72 65 63 74 6f 72 79 |entire directory|
000001a0 2c 20 69 6e 63 6c 75 64 69 6e 67 20 61 6c 6c 20 |, including all |
000001b0 69 74 73 20 73 75 62 64 69 72 65 63 74 6f 72 69 |its subdirectori|
000001c0 65 73 2c 0a 69 6e 74 6f 20 61 20 76 65 72 79 20 |es,.into a very |
000001d0 63 6f 6d 70 61 63 74 20 61 72 63 68 69 76 65 20 |compact archive |
000001e0 66 69 6c 65 2e 20 44 69 72 65 63 74 6f 72 69 65 |file. Directorie|
000001f0 73 20 69 6e 20 61 72 63 68 69 76 65 73 20 6d 61 |s in archives ma|
00000200 79 20 62 65 20 63 6f 6d 70 6c 65 74 65 6c 79 0a |y be completely.|
00000210 72 65 73 74 6f 72 65 64 20 61 74 20 65 69 74 68 |restored at eith|
00000220 65 72 20 74 68 65 69 72 20 6f 72 69 67 69 6e 61 |er their origina|
00000230 6c 20 70 61 74 68 20 6f 72 20 61 20 6e 65 77 20 |l path or a new |
00000240 70 61 74 68 2e 0a 0a 50 61 63 6b 44 69 72 20 75 |path...PackDir u|
00000250 73 65 73 20 4c 5a 57 20 63 6f 6d 70 72 65 73 73 |ses LZW compress|
00000260 69 6f 6e 20 28 61 6c 73 6f 20 77 69 64 65 6c 79 |ion (also widely|
00000270 20 75 73 65 64 20 69 6e 20 6d 6f 73 74 20 70 72 | used in most pr|
00000280 65 73 65 6e 74 20 64 61 79 20 61 72 63 68 69 76 |esent day archiv|
00000290 65 72 73 29 0a 74 6f 20 73 75 62 73 74 61 6e 74 |ers).to substant|
000002a0 69 61 6c 6c 79 20 72 65 64 75 63 65 20 74 68 65 |ially reduce the|
000002b0 20 61 72 63 68 69 76 65 27 73 20 73 69 7a 65 2e | archive's size.|
000002c0 20 49 74 20 75 73 65 73 20 68 69 67 68 6c 79 20 | It uses highly |
000002d0 6f 70 74 69 6d 69 7a 65 64 20 41 52 4d 20 63 6f |optimized ARM co|
000002e0 64 65 0a 63 6f 6d 70 72 65 73 73 69 6f 6e 20 61 |de.compression a|
000002f0 6e 64 20 64 65 63 6f 6d 70 72 65 73 73 69 6f 6e |nd decompression|
00000300 20 72 6f 75 74 69 6e 65 73 2c 20 6d 61 6b 69 6e | routines, makin|
00000310 67 20 69 74 20 2a 76 65 72 79 2a 20 66 61 73 74 |g it *very* fast|
00000320 2c 20 77 68 69 63 68 20 77 61 73 0a 6e 65 63 65 |, which was.nece|
00000330 73 73 61 72 79 20 74 6f 20 6d 61 6b 65 20 69 74 |ssary to make it|
00000340 20 61 20 76 69 61 62 6c 65 20 61 6c 74 65 72 6e | a viable altern|
00000350 61 74 69 76 65 20 74 6f 20 74 68 65 20 28 65 78 |ative to the (ex|
00000360 63 65 6c 6c 65 6e 74 2c 20 62 75 74 20 76 65 72 |cellent, but ver|
00000370 79 20 73 6c 6f 77 29 0a 21 53 70 61 72 6b 20 28 |y slow).!Spark (|
00000380 64 65 29 61 72 63 68 69 76 69 6e 67 20 61 70 70 |de)archiving app|
00000390 6c 69 63 61 74 69 6f 6e 20 62 79 20 44 61 76 69 |lication by Davi|
000003a0 64 20 50 69 6c 6c 69 6e 67 2e 0a 0a 49 20 77 72 |d Pilling...I wr|
000003b0 6f 74 65 20 50 61 63 6b 44 69 72 20 6f 6e 6c 79 |ote PackDir only|
000003c0 20 74 6f 20 66 61 63 69 6c 69 74 61 74 65 20 72 | to facilitate r|
000003d0 65 61 6c 6c 79 20 66 61 73 74 20 61 6e 64 20 63 |eally fast and c|
000003e0 6f 6d 70 61 63 74 20 62 61 63 6b 75 70 2c 20 66 |ompact backup, f|
000003f0 6f 72 20 68 61 72 64 0a 64 69 73 63 73 20 61 6e |or hard.discs an|
00000400 64 20 74 68 65 20 6c 69 6b 65 2e 20 50 61 63 6b |d the like. Pack|
00000410 44 69 72 20 69 73 20 6e 6f 74 20 6d 65 61 6e 74 |Dir is not meant|
00000420 20 74 6f 20 62 65 20 61 6e 20 61 6c 74 65 72 6e | to be an altern|
00000430 61 74 69 76 65 20 74 6f 20 53 70 61 72 6b 20 69 |ative to Spark i|
00000440 6e 20 61 6e 79 0a 6f 74 68 65 72 20 77 61 79 2c |n any.other way,|
00000450 20 61 73 20 74 68 65 20 61 72 63 68 69 76 65 73 | as the archives|
00000460 20 6d 61 64 65 20 62 79 20 50 61 63 6b 44 69 72 | made by PackDir|
00000470 20 68 61 76 65 20 61 6e 20 69 6e 63 6f 6d 70 61 | have an incompa|
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00000490 70 65 65 64 20 3f 0a 0a 50 61 63 6b 44 69 72 20 |peed ?..PackDir |
000004a0 61 72 63 68 69 76 65 73 20 61 72 6f 75 6e 64 20 |archives around |
000004b0 33 20 74 69 6d 65 73 20 61 73 20 66 61 73 74 20 |3 times as fast |
000004c0 61 73 20 21 53 70 61 72 6b 2c 20 61 6e 64 20 75 |as !Spark, and u|
000004d0 6e 70 61 63 6b 73 20 61 62 6f 75 74 20 33 2e 35 |npacks about 3.5|
000004e0 20 74 69 6d 65 73 0a 61 73 20 66 61 73 74 2c 20 | times.as fast, |
000004f0 72 65 73 75 6c 74 69 6e 67 20 69 6e 20 61 62 6f |resulting in abo|
00000500 75 74 20 74 68 65 20 73 61 6d 65 20 73 69 7a 65 |ut the same size|
00000510 20 61 72 63 68 69 76 65 73 20 28 30 2e 35 25 20 | archives (0.5% |
00000520 73 6d 61 6c 6c 65 72 29 2e 20 28 21 53 70 61 72 |smaller). (!Spar|
00000530 6b 20 77 61 73 0a 73 65 74 20 74 6f 20 31 33 2d |k was.set to 13-|
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00000550 21 50 61 63 6b 44 69 72 20 74 6f 20 31 33 2d 62 |!PackDir to 13-b|
00000560 69 74 2c 20 6e 6f 20 62 61 63 6b 67 72 6f 75 6e |it, no backgroun|
00000570 64 20 6d 6f 64 65 2e 20 54 65 73 74 69 6e 67 20 |d mode. Testing |
00000580 77 61 73 0a 69 6e 20 6d 6f 64 65 20 30 29 2e 0a |was.in mode 0)..|
00000590 0a 0a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |..--------------|
000005a0 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a 2d 20 55 73 |-----------.- Us|
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000005c0 69 6f 6e 20 2d 0a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |ion -.----------|
000005d0 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a |---------------.|
000005e0 54 6f 20 73 74 61 72 74 20 75 70 20 50 61 63 6b |To start up Pack|
000005f0 44 69 72 2c 20 65 69 74 68 65 72 20 3a 0a 0a 2d |Dir, either :..-|
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00000620 69 63 6f 6e 2e 0a 2d 20 44 6f 75 62 6c 65 2d 63 |icon..- Double-c|
00000630 6c 69 63 6b 20 6f 6e 20 61 20 50 61 63 6b 44 69 |lick on a PackDi|
00000640 72 20 61 72 63 68 69 76 65 20 66 69 6c 65 2c 20 |r archive file, |
00000650 61 66 74 65 72 20 21 50 61 63 6b 44 69 72 20 68 |after !PackDir h|
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00000670 74 68 65 0a 20 20 66 69 6c 65 72 2e 0a 0a 49 74 |the. filer...It|
00000680 20 77 69 6c 6c 20 69 6e 73 74 61 6c 6c 20 69 74 | will install it|
00000690 73 65 6c 66 20 6f 6e 20 74 68 65 20 69 63 6f 6e |self on the icon|
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00000720 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |----------------|
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00000750 20 64 72 61 67 20 69 74 20 6f 6e 74 6f 20 50 61 | drag it onto Pa|
00000760 63 6b 44 69 72 27 73 20 69 63 6f 6e 62 61 72 20 |ckDir's iconbar |
00000770 69 63 6f 6e 2e 20 41 20 73 61 76 65 0a 77 69 6e |icon. A save.win|
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000007f0 74 68 65 20 6c 65 61 66 6e 61 6d 65 20 6f 66 20 |the leafname of |
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00000820 69 72 65 63 74 6f 72 79 27 73 0a 6c 65 61 66 6e |irectory's.leafn|
00000830 61 6d 65 2e 20 59 6f 75 20 6d 61 79 20 63 68 61 |ame. You may cha|
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00000850 72 69 6e 67 20 61 6e 6f 74 68 65 72 20 6c 65 61 |ring another lea|
00000860 66 6e 61 6d 65 20 69 6e 74 6f 20 74 68 65 20 77 |fname into the w|
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00000880 6f 77 20 74 68 65 20 61 72 63 68 69 76 65 20 69 |ow the archive i|
00000890 63 6f 6e 2e 0a 0a 4e 4f 54 45 20 3a 20 50 72 65 |con...NOTE : Pre|
000008a0 73 73 69 6e 67 20 43 54 52 4c 20 77 68 69 6c 65 |ssing CTRL while|
000008b0 20 64 72 61 67 67 69 6e 67 20 61 20 64 69 72 65 | dragging a dire|
000008c0 63 74 6f 72 79 20 74 6f 20 50 61 63 6b 44 69 72 |ctory to PackDir|
000008d0 20 77 69 6c 6c 20 61 72 63 68 69 76 65 20 74 68 | will archive th|
000008e0 65 0a 70 61 72 65 6e 74 20 6f 66 20 74 68 65 20 |e.parent of the |
000008f0 64 69 72 65 63 74 6f 72 79 2e 20 54 68 69 73 20 |directory. This |
00000900 69 73 20 74 6f 20 65 6e 61 62 6c 65 20 61 72 63 |is to enable arc|
00000910 68 69 76 69 6e 67 20 6f 66 20 74 68 65 20 72 6f |hiving of the ro|
00000920 6f 74 20 64 69 72 65 63 74 6f 72 79 20 28 24 29 |ot directory ($)|
00000930 0a 6f 66 20 61 20 64 69 73 63 2e 20 54 68 65 20 |.of a disc. The |
00000940 64 65 66 61 75 6c 74 20 6c 65 61 66 6e 61 6d 65 |default leafname|
00000950 20 77 69 6c 6c 20 62 65 20 27 52 6f 6f 74 27 2c | will be 'Root',|
00000960 20 61 73 20 27 24 27 20 69 73 20 61 6e 20 69 6c | as '$' is an il|
00000970 6c 65 67 61 6c 20 66 69 6c 65 6e 61 6d 65 2e 0a |legal filename..|
00000980 0a 55 6e 70 61 63 6b 69 6e 67 20 61 6e 20 61 72 |.Unpacking an ar|
00000990 63 68 69 76 65 0a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d |chive.----------|
000009a0 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a 54 6f 20 75 6e |----------.To un|
000009b0 70 61 63 6b 20 61 6e 20 61 72 63 68 69 76 65 2c |pack an archive,|
000009c0 20 64 72 61 67 20 69 74 20 6f 6e 74 6f 20 50 61 | drag it onto Pa|
000009d0 63 6b 44 69 72 27 73 20 69 63 6f 6e 62 61 72 20 |ckDir's iconbar |
000009e0 69 63 6f 6e 2c 20 6f 72 20 64 6f 75 62 6c 65 2d |icon, or double-|
000009f0 63 6c 69 63 6b 20 6f 6e 0a 69 74 2e 20 41 20 73 |click on.it. A s|
00000a00 61 76 65 20 77 69 6e 64 6f 77 20 77 69 6c 6c 20 |ave window will |
00000a10 61 70 70 65 61 72 2e 20 44 72 61 67 67 69 6e 67 |appear. Dragging|
00000a20 20 74 68 65 20 64 69 72 65 63 74 6f 72 79 20 69 | the directory i|
00000a30 63 6f 6e 20 74 6f 20 61 20 64 69 72 65 63 74 6f |con to a directo|
00000a40 72 79 0a 76 69 65 77 65 72 20 77 69 6c 6c 20 73 |ry.viewer will s|
00000a50 74 61 72 74 20 74 68 65 20 75 6e 70 61 63 6b 69 |tart the unpacki|
00000a60 6e 67 20 70 72 6f 63 65 73 73 2e 0a 0a 42 79 20 |ng process...By |
00000a70 64 65 66 61 75 6c 74 2c 20 74 68 65 20 6c 65 61 |default, the lea|
00000a80 66 6e 61 6d 65 20 6f 66 20 74 68 65 20 64 69 72 |fname of the dir|
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