LZW
LZW is a great compression/packaging utility from Vytek Wireless,
formerly Telamon.
It provides a convenient method of packaging MPE files, and retaining
their file characteristics. Files compressed with LZW are about 1/2
the size of MOVER files. (If you'd like to see an example of how to
use LZW to upload/unpack a file in LZW format, click
here.)
You can get either an NM or CM version from
Vytek's site.
At that page, you'll be asked
which form of LZW you want (raw file or WRQ "label" format),
and for which machine/operating system (e.g., MPE/iX, MPE V,
MS DOS, HP-UX, AIX, Linux and many others).
If the Vytek site does not respond, you may be able to get LZW from Telamon's old site:
lzw.mpeix (raw binary), or lzw.mpeix.wrq (WRQ labels). Also, we offer an older version:
lzw.bin (raw binary).
Notes on Uploading raw version of LZW to MPE:
(Assuming you've downloaded the "raw" MPE/iX (or MPE V)
version of LZW to a PC/workstation/whatever to a local file
called "LZW.PUB" (or LZWCM.PUB).)
Use one of the following two methods to upload the file to your HP e3000:
- FTP
Start an FTP session (perhaps: click on <START>,
select <RUN>, and then enter "FTP", connect
to your HP 3000 and logon).
Use the following FTP put command:
binary
put LZW.PUB LZW.PUB;rec=128,1,f,binary;code=NMPRG
or, on MPE V:
binary
put LZWCM.PUB LZW.PUB;rec=128,1,f,binary;code=PROG
- WRQ Reflection Terminal Emulator
Connect to your HP 3000 and logon.
Issue the following MPE command:
:file lzw.pub;rec=128,1,f,binary;code=NMPRG
or, on MPE V:
:file lzw.pub;rec=128,1,f,binary;code=PROG
Upload the LZW.PUB file with the following commands:
<ALT Y> (i.e., enter Reflection Command Line mode)
s lzw.pub to *lzw.pub binary rec=256
or, on MPE V:
<ALT Y> (i.e., enter Reflection Command Line mode)
s lzwcm.pub to *lzw.pub binary rec=256
NOTE! the "rec=256" is important! Without it, Reflection
and/or PCLINK may not upload the file correctly!
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MOVER
We have dropped the use of MOVER!
The program comes in something like two thousand versions, all of
which have the same version number! (Ok, maybe not *that* many...but
about six have been seen!) This causes many, many headaches for us, so
we've decided to switch to exclusively use LZW.
For a comparison of archiving utilities, check:
/papers/posix/archiving.htm.
MOVER is a file packaging / unpackaging utility from HP, and is
distributed via the TELESUP account. It is generally found as
MOVER.PRVXL.TELESUP.
NOTE! MOVER is available only as a Native Mode program,
no Compatibility Mode (PROG) version exists for Classic HP3000s!
NOTE! before installing a MOVER package, be *SURE* that
you first create the necessary groups and accounts! Otherwise,
MOVER will create HFS directories for them instead of accounts
& groups...and things will generally not work for you.
To determine what accounts & groups you need to create,
use the MOVER "-t" command to list the contents of the MOVER truck.
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