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1994-06-16
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ZIP172.UPD
----------
ZIP 1.72 Update Information
E. Meyer - 16 Jun 1994
The following is a quick guide, for users of previous versions of ZIP, to
noticeable changes in operation. Please check ZIP.DOC for full details.
NEW IN ZIP 1.72
* A new option /X causes ZIP to quit with an error if another copy of ZIP
acting as receiver or server is not detected, rather than waiting indefinitely
until a connection is established. This is most useful in batch files. The
/X option can be followed by a digit 1-9, for minutes to wait before exit; the
default is 0, for no wait. See WAITING FOR A CONNECTION.
* There is a new function "Time" on the menu which can be used to display
the system time and date, or synchronize the server's clock with the client's.
See SERVER TIME COMMAND.
* When performing certain operations, ZIP now compares the system clocks
on your two PC's, and applies a "clock synch tolerance", which defaults to 5
minutes (and can be changed or disabled with ZIPCFG).
If you perform a directory Comparison (/C) when the two clocks differ by
more than the clock tolerance, a warning will be given.
If you attempt a timestamp (/T) file transfer when the clocks differ by
more than the tolerance, the transfer will abort. See CLOCK SYNCHRONIZATION.
========================== RECENT UPDATE SUMMARIES ===========================
ZIP 1.71 (Dec 1993)
This release included only minor fixes, including proper recognition of
HP95LX palmtop (inadvertently fouled up in 1.7).
ZIP 1.7 (Nov 1993)
* If you try to log or send files to a directory that does not already
exist, ZIP may now attempt to create it. (See FILE AND DIRECTORY SETTINGS)
* There is a new option /S to allow transferring files from all
subdirectories. (See BACKING UP ALL SUBDIRECTORIES)
The option for server mode has thererfore been changed from /S to /V,
corresponding with its menu letter.
* There is a new option /M to select monochrome (DOS) or color output.
(See CHOOSING THE SCREEN OUTPUT MODE)
* ZIP now automatically recognizes the HP100LX palmtop, and the
differences between it and the HP95LX. For further information and hints, see
USING ZIP ON THE HP95/100LX PALMTOPS.
ZIP 1.63 (Jun 1993)
* There are now options to control how file attributes (Hidden, System,
Read/only, Archive) should be handled. See FILE AND DIRECTORY HANDLING.
ZIP 1.62 (Mar 1993)
* The /P option can now be specified on the receiving end independently.
See also expanded instructions under AUTOMATING USE OF ZIP.
ZIP 1.61 (Dec 1992)
* There is a new /L option to allow changing of the server's default
directory from the command line.
* The handling of directories to put files into has been made simpler and
more consistent:
(1) You can always specify a destination directory when sending
files; this no longer requires the receiver to be in server mode.
(2) When sending or fetching files, ZIP now prompts for a
destination only in menu mode. Thus, in command line operation, if you
want to specify a destination, you must use the "[directory]" option;
conversely, there is no longer a need to specify a null option "[]" in a
batch file to avoid the prompt when the default directory is intended.
ZIP 1.6 (Nov 1992)
* There is a new Compare command (and /C option) to list differences
between files in the client and server directories.
* There is a new Log command to change the server's default directory,
which was formerly set only with the command option "/S[dir]". Also, where
this default formerly affected only receipt of files by the server, it now
affects all the server's operations.
* The delete command, which formerly worked only on a single filename,
now accepts wildcards ("?" and "*") to delete a group of files at once.
Always use caution when deleting files.
============================= VERSION HISTORY ==============================
ZIP 1.0 (Apr88) - initial release.
1.1 (Apr88) - improved protocol; wildcard transfers; receive directory
option; original file time/date preserved.
1.2 (May88) - improved error handling; can use COM3,4; minor fixes.
1.21 (May88) - slower speed options; fixed bug in initializing ports.
1.22 (Aug88) - improved protocol; fixed bug in deleting temp file.
1.23 (Jan89) - menu-driven operation; detects disk-full errors.
1.3 (Apr89) - selective copy options /P,N,E,T; server mode, fetch;
file directory; internal improvements.
1.4 (Sep89) - improved protocol; Delete function; directory shows
free space; ZIPCFG utility; small improvements.
1.41 (Nov89) - DesqView aware; multiple file arguments.
1.42 (Feb90) - minor improvements; ZIPDUP utility.
1.43 (Mar90) - simplified multiple argument syntax.
1.44 (Aug90) - protocol modified for use in network environments.
1.45 (Mar91) - 4800, 2400bps added; operation at slow speeds improved.
1.5 (Aug91) - unlink function; options /B,U,?; sets ERRORLEVEL;
recovers from cable disruption; minor improvements.
1.51 (Jan92) - "@FLIST" ability; color output; 40-col operation.
1.52 (Jun92) - new options /D, /K; autoconfigures for HP95LX.
1.6 (Nov92) - Compare, Log commands; /C option; delete accepts wildcards;
default directory affects all operations consistently.
1.61 (Dec92) - new /L option; minor fixes.
1.62 (Mar93) - speeded up /E,N,T transfers; /P works on both ends.
1.63 (Jun93) - options for handling Hidden,System,Read/only,Archive files.
1.7 (Nov93) - new subdirectory options /S, /A; /M; recognizes HP100LX.
1.71 (Dec93) - several minor fixes.
1.72 (Jun94) - new /X option; Time command; clock synch checking.
----- Eric Meyer, 3541 Smuggler Way, Boulder, CO 80303 USA -----