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From: "Dave Hinkle" <[e-mail]>
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Subject: Re: zmodem file transfers
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Frank da Cruz wrote in message <772o5k$nql$[e-mail]>...
>In article <1P4l2.1202$[e-mail]>,
>Dave Hinkle <[e-mail]> wrote:
>: Werner Kliewer wrote in message ...


<snip>

>Kermit can be found at:
>
>  http://www.columbia.edu/kermit/
>
>Of course Kermit runs the Kermit protocol, not Zmodem.  However, it can
>run Zmodem as an external protocol.  This works if you have a version of
>rz/sz that works on standard i/o and therefore can be redirected.  Versions
>of rz/sz issued since about 1988 do not allow this.  Maybe some readers of
>this newsgroup can refer to a source for redirectable rz/sz for AIX.

The client versions of rz/sz from http://www.omen.com will work with Kermit.

>
>: >There will be arithmetic and possibly date
>: >processing involved, along with normal file-name filtering, and
>: >probably traversing of some part of a directory structure.
>:
>The current version of C-Kermit is 6.0.  It includes arithmetic.
>Filename filtering can be done in various ways.  It does not have the
>ability to traverse directory trees.
>
>C-Kermit 6.1 is in Beta test, and it has improved filename filtering
>capabilities and it can traverse directory trees:
>
>  http://www.columbia.edu/kermit/ck60.html
>
>C-Kermit 7.0 will be announced for beta testing within the next week or
>so and has even better filename filtering (e.g. full regexes, exception
>lists, etc) and improved directory-tree traversal.  Watch:
>
>  comp.protocols.kermit.misc
>
>for announcements.
>
>- Frank

Article 9745 of comp.protocols.kermit.misc:
Path: newsmaster.cc.columbia.edu!watsun.cc.columbia.edu!fdc
From: [e-mail] (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Problem disconnecting from kermit
Date: 8 Jan 1999 21:53:44 GMT
Organization: Columbia University
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In article <[e-mail]>,
Sivaram Palakodety  <[e-mail]> wrote:
: I am using C-Kermit 6.0.192.
:
On what platform?  What does its banner say when you start it?

: I have a expect script that starts a kermit session and sends out pages
: using the TAP/IXO protocol.
:
You might have better luck using Kermit all by itself.  You might not be
aware that C-Kermit 6.0 can send alpha pages TAP/IXO protocol:

  http://www.columbia.edu/kermit/pagers.html
  http://www.columbia.edu/kermit/ckermit.html

: Sometimes, I get garbage on the line and the script detects this and
: attempts to disconnect from kermit so that it can retry.
:
: I am using cts/rts flow control, full duplex, even parity.
:
: The problem is that kermit does not exit even after I issue the quit
: command.
: (This hanppens only when I get garbage on the line)
: the script calls wait on the kermit session and the wait hangs.
:
: pstack on the kermit process gives the following stack trace:
:
:  ef676c74 close    (4)
:  ef676c74 _libc_close (4, adfcc, bb530, 4, bb530, bb514) + 4
:  00020400 ttclos   (ae000, ae000, 9, 7, 8, 17237c) + 1ec
:  00070cb0 doclean  (fb000, adfcc, db260, ffffffff, db260, db254) + 118
:  00070d38 doexit   (0, ffffffff, ae000, ae000, adc00, b6800) + 3c
:  00076308 docmd    (f2000, dd148, d798c, 18, d798c, d7978) + 1150
:  0005904c parser   (b67b0, d780c, fc7d0, b69bc, b720c, 11219c) + 87c
:  0001ea00 doicp    (adc00, ae068, bbd08, ae000, ae000, 97688) + ec
:  00087da4 cc_execute (112148, 1e914, 1ea40, 0, bb088, bb068) + 48
:  0001f1a0 main     (ae000, ae000, 112148, ae000, 1, 0) + 4b0
:  0001df54 _start   (0, 0, 0, 0, 0, 0) + dc
:
: file descriptor 4 is the fd on the serial device(modem).
:
: Does anyone have any idea as to why close hangs?
:
Good question.  Kermit is just calling close(), as you can see, and
close() is not returning.  The reason for this is highly dependent on
the particular serial driver and the state of the serial port (which
modem signals are up or down, etc).  Of course, close() should just
close, regardless, so whatever the problem might be, it's obviously
in your operating system or its drivers.

You might be able to sidestep it by telling Kermit to "hangup" before
you give the "exit" command.  Maybe also a "clear device" command would
help.  And/or "set carrier-watch off".

- Frank


Article 9742 of comp.protocols.kermit.misc:
Path: newsmaster.cc.columbia.edu!watsun.cc.columbia.edu!fdc
From: [e-mail] (Frank da Cruz)
Newsgroups: comp.os.os9,comp.protocols.kermit.misc
Subject: Re: Skewed image data when transferred with Kermit
Date: 8 Jan 1999 15:01:54 GMT
Organization: Columbia University
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In article <[e-mail]>,
Adrian Stares <[e-mail]> wrote:
: We found Microware's Kermit (the one you are using) slow and unreliable and
: have sinced switched to using Z modem whenever we can.
:
The Kermit program in question is from circa 1982.  There is, of course, a
modern Kermit program for OS-9 that is, in fact, the same as the one for UNIX
and VMS and (in its protocol and scripting engines) Windows 95/98/NT:

  http://www.columbia.edu/kermit/ckermit.html

- Frank


Article 9745 of comp.protocols.kermit.misc:
Path: newsmaster.cc.columbia.edu!watsun.cc.columbia.edu!fdc
From: [e-mail] (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Problem disconnecting from kermit
Date: 8 Jan 1999 21:53:44 GMT
Organization: Columbia University
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In article <[e-mail]>,
Sivaram Palakodety  <[e-mail]> wrote:
: I am using C-Kermit 6.0.192.
:
On what platform?  What does its banner say when you start it?

: I have a expect script that starts a kermit session and sends out pages
: using the TAP/IXO protocol.
:
You might have better luck using Kermit all by itself.  You might not be
aware that C-Kermit 6.0 can send alpha pages TAP/IXO protocol:

  http://www.columbia.edu/kermit/pagers.html
  http://www.columbia.edu/kermit/ckermit.html

: Sometimes, I get garbage on the line and the script detects this and
: attempts to disconnect from kermit so that it can retry.
:
: I am using cts/rts flow control, full duplex, even parity.
:
: The problem is that kermit does not exit even after I issue the quit
: command.
: (This hanppens only when I get garbage on the line)
: the script calls wait on the kermit session and the wait hangs.
:
: pstack on the kermit process gives the following stack trace:
:
:  ef676c74 close    (4)
:  ef676c74 _libc_close (4, adfcc, bb530, 4, bb530, bb514) + 4
:  00020400 ttclos   (ae000, ae000, 9, 7, 8, 17237c) + 1ec
:  00070cb0 doclean  (fb000, adfcc, db260, ffffffff, db260, db254) + 118
:  00070d38 doexit   (0, ffffffff, ae000, ae000, adc00, b6800) + 3c
:  00076308 docmd    (f2000, dd148, d798c, 18, d798c, d7978) + 1150
:  0005904c parser   (b67b0, d780c, fc7d0, b69bc, b720c, 11219c) + 87c
:  0001ea00 doicp    (adc00, ae068, bbd08, ae000, ae000, 97688) + ec
:  00087da4 cc_execute (112148, 1e914, 1ea40, 0, bb088, bb068) + 48
:  0001f1a0 main     (ae000, ae000, 112148, ae000, 1, 0) + 4b0
:  0001df54 _start   (0, 0, 0, 0, 0, 0) + dc
:
: file descriptor 4 is the fd on the serial device(modem).
:
: Does anyone have any idea as to why close hangs?
:
Good question.  Kermit is just calling close(), as you can see, and
close() is not returning.  The reason for this is highly dependent on
the particular serial driver and the state of the serial port (which
modem signals are up or down, etc).  Of course, close() should just
close, regardless, so whatever the problem might be, it's obviously
in your operating system or its drivers.

You might be able to sidestep it by telling Kermit to "hangup" before
you give the "exit" command.  Maybe also a "clear device" command would
help.  And/or "set carrier-watch off".

- Frank


Article 9744 of comp.protocols.kermit.misc:
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From: Sivaram Palakodety <[e-mail]>
Newsgroups: comp.protocols.kermit.misc
Subject: Problem disconnecting from kermit
Date: Fri, 08 Jan 1999 13:38:33 -0800
Organization: QUALCOMM, Incorporated; San Diego, CA, USA
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Hi:

I am using C-Kermit 6.0.192.

I have a expect script that starts a kermit session and sends out pages
using the TAP/IXO protocol.
Sometimes, I get garbage on the line and the script detects this and
attempts to disconnect from kermit so that it can retry.

I am using cts/rts flow control, full duplex, even parity.

The problem is that kermit does not exit even after I issue the quit
command.
(This hanppens only when I get garbage on the line)
the script calls wait on the kermit session and the wait hangs.

pstack on the kermit process gives the following stack trace:

 ef676c74 close    (4)
 ef676c74 _libc_close (4, adfcc, bb530, 4, bb530, bb514) + 4
 00020400 ttclos   (ae000, ae000, 9, 7, 8, 17237c) + 1ec
 00070cb0 doclean  (fb000, adfcc, db260, ffffffff, db260, db254) + 118
 00070d38 doexit   (0, ffffffff, ae000, ae000, adc00, b6800) + 3c
 00076308 docmd    (f2000, dd148, d798c, 18, d798c, d7978) + 1150
 0005904c parser   (b67b0, d780c, fc7d0, b69bc, b720c, 11219c) + 87c
 0001ea00 doicp    (adc00, ae068, bbd08, ae000, ae000, 97688) + ec
 00087da4 cc_execute (112148, 1e914, 1ea40, 0, bb088, bb068) + 48
 0001f1a0 main     (ae000, ae000, 112148, ae000, 1, 0) + 4b0
 0001df54 _start   (0, 0, 0, 0, 0, 0) + dc

file descriptor 4 is the fd on the serial device(modem).

Does anyone have any idea as to why close hangs?

--
Thanks
Siva

Article 9747 of comp.protocols.kermit.misc:
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From: Christopher Mosley <[e-mail]>
Subject: Re: control printer
Newsgroups: comp.protocols.kermit.misc
References: <76rpcn$c7d$[e-mail]>
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Den <[e-mail]> wrote:
> Is there a way to control a printer from k95.  Can I send commands to a
> printer to make it switch to landscape mode and print in a different font?

> Dennis

I would think so, the codes for controlling the printer are documented in
the manual that comes with the printer. These codes are what makes a word
processor file different from a text file. By running  small programs
that send these codes to the printer using the kermit run command you could
change the behavior of the printer. I don't know but conflicts might
occur if you were to try to send escape sequences within the the print
escape sequence or try to print a file with embedded codes using the
print escape sequence if you were printing from a remote system.
But you could set up a printer by running these local programs from
the remote using apc or the incredibly amazing remote and local
procedures? that may be coming in the next release of kermit.

If k95 allows you to select a printer and has some built
in mechanism to accomplish this - I have no idea.

                                                just guessing


Article 9748 of comp.protocols.kermit.misc:
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From: Christopher Mosley <[e-mail]>
Subject: Re: control printer
Newsgroups: comp.protocols.kermit.misc
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Christopher Mosley <[e-mail]> wrote:
> Den <[e-mail]> wrote:
>> Is there a way to control a printer from k95.  Can I send commands to a
>> printer to make it switch to landscape mode and print in a different font?

>> Dennis

> I would think so, the codes for controlling the printer are documented in
> the manual that comes with the printer. These codes are what makes a word
> processor file different from a text file. By running  small programs
> that send these codes to the printer using the kermit run command you could
> change the behavior of the printer. I don't know but conflicts might
> occur if you were to try to send escape sequences within the the print
> escape sequence or try to print a file with embedded codes using the
> print escape sequence if you were printing from a remote system.
> But you could set up a printer by running these local programs from
> the remote using apc or the incredibly amazing remote and local
> procedures? that may be coming in the next release of kermit.

> If k95 allows you to select a printer and has some built
> in mechanism to accomplish this - I have no idea.

>                                                 just guessing
>

But I can see my speculating was in vain, and from Jeffrey Altmans
response; I see there is already a mechanism to accomplish this.

                                                       Geesh


Article 9736 of comp.protocols.kermit.misc:
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From: Timothy Martin <[e-mail]>
Newsgroups: comp.os.os9,comp.protocols.kermit.misc,news.groups.os.os9
Subject: Re: Skewed image data when transferred with Kermit
Date: Thu, 07 Jan 1999 12:12:39 -0600
Organization: Argonne National Laboratory
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Brian Reid wrote:
>
> I am trying to use kermit95 to transfer 8 bit row ordered SEM image data
> from a Tracor Northern 8502 image analysis system (running OS-9) to a PC
> (running Windows98) using a serial connection.  The files appear to transfer
> successfully, however, the image features are skewed when viewed using NIH
> image.  For example, a square feature would appear as a parallelogram with
> the bottom side moved to the right.  When I try to send the file back to the
> OS9 system, the TN8502 software indicates that the image bin is too small to
> hold the image data.
>
> Is there any possibility that Kermit is adding bits somewhere in the binary
> file?  Could the file be getting corrupted somehow in the transfer?
>
> Thanks in advance for any suggestions.
>
> Brian Reid
> Doctor of Chemistry Program
> University of Texas at Dallas
> [e-mail]
> (972)-883-2709

I read the Frank da Cruz replies.  Questioning a proper binary transfer
is certainly in order.  You should check that the files on the OS-9
and Win98 sides are identical.  You can do this with a utility such
as "md5".  I have OS-9 and DOS executables for md5.  If you haven't
heard of md5, it generates a "hash code" which is a number generated
based on the contents of the file.  If md5 produces the same hash code
on the OS-9 and Win98 versions of the file, you can be essentially
guaranteed that the files are identical.

If you want this sort of verification and can't find "md5" for DOS or
OS-9, tell me.  Of course, you could transfer the file there and back
and see if it is unmangled also.  Do an OS-9 "cmp" to compare two files.

EOT.

Article 9738 of comp.protocols.kermit.misc:
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From: James Jones <[e-mail]>
Newsgroups: comp.os.os9,comp.protocols.kermit.misc
Subject: Re: Skewed image data when transferred with Kermit
Date: Thu, 07 Jan 1999 13:08:25 -0600
Organization: Microware Systems Corporation
Lines: 20
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References: <770osj$omd$[e-mail]> <770vqi$p6j$[e-mail]> <772nlk$7fg$[e-mail]>
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That's an ancient Kermit program that goes back to OS-9/6809 days.
(I worked on the 6809 version about fifteen years ago.)  I think that
it was a port of an old Unix Kermit program...but more to the point:

1. Try kermit si /hard/export/image.i1
2. Make a point of getting the OS-9 version of C Kermit; Kermit has
   improved enormously in the past fifteen years, and you will get
   far better performance and help messages.

I personally recommend highly the books on Kermit, *Kermit: a file
transfer protocol* and *Using C Kermit*.  The former book predates
many improvements in Kermit, but it explains the protocol (and some
of the highly convoluted aspects of serial data communications that
Kermit is designed to deal with) well and entertainingly; the latter
book covers C Kermit in great detail.

    James Jones

Opinions herein are those of the author, and not necessarily those of
any organization.


Article 9740 of comp.protocols.kermit.misc:
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From: "Brian Reid" <[e-mail]>
Newsgroups: comp.os.os9,comp.protocols.kermit.misc
Subject: Re: Skewed image data when transferred with Kermit
Date: Thu, 7 Jan 1999 13:45:31 -0600
Organization: The University of Texas at Dallas
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Frank:

It worked!  I had set the receiving computer to binary (Win98) but not the
sending computer.  After adding the "i" switch at the command line, the
image was transferred perfectly!

Thanks so much for your quick response.

Best regards,

Brian Reid
UTD Chemistry
[phone]
[e-mail]


Article 9741 of comp.protocols.kermit.misc:
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From: "Adrian Stares" <[e-mail]>
Newsgroups: comp.os.os9,comp.protocols.kermit.misc,news.groups.os.os9
Subject: Re: Skewed image data when transferred with Kermit
Date: Fri, 8 Jan 1999 12:02:07 -0000
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We found Microware's Kermit (the one you are using) slow and unreliable and
have sinced switched to using Z modem whenever we can.
This transfers more reliably and around 5 times quicker. We use Win95's
hyperterminal to send and receive via modem and TCP/IP.
I can email the OS-9 Z program (64,202 bytes) to you or you can get this and
others from here, ftp://os9archive.rtsi.com/OS9/OSK/TELECOM/xyz.lzh

Brian Reid wrote in message <770osj$omd$[e-mail]>...
>I am trying to use kermit95 to transfer 8 bit row ordered SEM image data
>from a Tracor Northern 8502 image analysis system (running OS-9) to a PC
>(running Windows98) using a serial connection.  The files appear to
transfer


Article 9737 of comp.protocols.kermit.misc:
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From: [e-mail]
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Using kermit when not logged in as root
Date: 7 Jan 1999 18:42:38 GMT
Organization: a2i network
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Frank da Cruz ([e-mail]) wrote:

: But surely that would still not allow a trusted user access to files or
: devices without permission.  Rather, I presume it would prevent access to
: resources to which one would normally have permission, if one were not on
: the access list.

No, it is much like a "sudo" program.  Tasks can be acomplished that a
normal user does not have permission for, like "shutdown".
The "system owner" can do many things from the GUI that can't be done by a
normal user, and the id of the system owner is not "0".

Of course this is on SVR4 (Unixware), where this topic is about Linux.

--
---
Clarence A Dold - [e-mail]
                - Pope Valley & Napa CA.


Article 9739 of comp.protocols.kermit.misc:
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From: "Dave Hinkle" <[e-mail]>
Newsgroups: comp.unix.aix,comp.protocols.kermit.misc
References: <VA.0000025e.0ecd154c@ep708-w073> <1P4l2.1202$[e-mail]> <772o5k$nql$[e-mail]>
Subject: Re: zmodem file transfers
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Frank da Cruz wrote in message <772o5k$nql$[e-mail]>...
>In article <1P4l2.1202$[e-mail]>,
>Dave Hinkle <[e-mail]> wrote:
>: Werner Kliewer wrote in message ...


<snip>

>Kermit can be found at:
>
>  http://www.columbia.edu/kermit/
>
>Of course Kermit runs the Kermit protocol, not Zmodem.  However, it can
>run Zmodem as an external protocol.  This works if you have a version of
>rz/sz that works on standard i/o and therefore can be redirected.  Versions
>of rz/sz issued since about 1988 do not allow this.  Maybe some readers of
>this newsgroup can refer to a source for redirectable rz/sz for AIX.

The client versions of rz/sz from http://www.omen.com will work with Kermit.

>
>: >There will be arithmetic and possibly date
>: >processing involved, along with normal file-name filtering, and
>: >probably traversing of some part of a directory structure.
>:
>The current version of C-Kermit is 6.0.  It includes arithmetic.
>Filename filtering can be done in various ways.  It does not have the
>ability to traverse directory trees.
>
>C-Kermit 6.1 is in Beta test, and it has improved filename filtering
>capabilities and it can traverse directory trees:
>
>  http://www.columbia.edu/kermit/ck60.html
>
>C-Kermit 7.0 will be announced for beta testing within the next week or
>so and has even better filename filtering (e.g. full regexes, exception
>lists, etc) and improved directory-tree traversal.  Watch:
>
>  comp.protocols.kermit.misc
>
>for announcements.
>
>- Frank

Article 9749 of comp.protocols.kermit.misc:
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From: Jim Killmaster <[e-mail]>
Newsgroups: comp.protocols.kermit.misc
Subject: Help: File Transfer Sco 5.05 to 5.05
Date: Sun, 10 Jan 1999 06:23:55 -0500
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Hi,

I am trying to transfer files between two sco 5.05 operating systems.
Basicaly I want kermit to call the main computer once a day and get
about 12 .zip files. I am using the Kermit 6.1 beta on both machines and
connecting with two Supra Express 33.6 modems. I can connect fine and
log in and work on the remote machine but when I try to transfer files
it will not send the first packet. The sending packet log says 'receive
window full' and the receiving packet log says 'time out'. The phone
line is decent, I get a 21600 to 26400 connect rate. I have another
program that transfers files fine between the systems but it can't be
automated.

The basic things that I have tried so far are:
- bought c-kermit second edition and went through every example I could find.
- read FAQ's and searched newsgroups (nobody else seems to be having
  this problem)
- the various parity settings
- the various flow control settings
- different types of file from small text to large binary files
- 9600 and 38400 baud rates
- various packet sizes form default to 4096
- set all ownership to root and ran as root to rule out any permission
  problems
- went through the tests in the install file, everything does ok except
  the file transfers

I have never used kermit before and I feel that there is just one or two
little things I've missed but I can't figure it out. Any help would be
appreciated.

Thanks
Jim Killmaster


Article 9750 of comp.protocols.kermit.misc:
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From: [e-mail] (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Help: File Transfer Sco 5.05 to 5.05
Date: 11 Jan 1999 14:52:26 GMT
Organization: Columbia University
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In article <[e-mail]>,
Jim Killmaster  <[e-mail]> wrote:
: I am trying to transfer files between two sco 5.05 operating systems.
: Basicaly I want kermit to call the main computer once a day and get
: about 12 .zip files. I am using the Kermit 6.1 beta on both machines and
: connecting with two Supra Express 33.6 modems. I can connect fine and
: log in and work on the remote machine but when I try to transfer files
: it will not send the first packet. The sending packet log says 'receive
: window full' and the receiving packet log says 'time out'. The phone
: line is decent, I get a 21600 to 26400 connect rate. I have another
: program that transfers files fine between the systems but it can't be
: automated.
:
: The basic things that I have tried so far are:
: - bought c-kermit second edition and went through every example I could
: find.
: - read FAQ's and searched newsgroups (nobody else seems to be having
: this problem)
: - the various parity settings
: - the various flow control settings
: - different types of file from small text to large binary files
: - 9600 and 38400 baud rates
: - various packet sizes form default to 4096
: - set all ownership to root and ran as root to rule out any permission
: problems
: - went through the tests in the install file, everything does ok except
: the file transfers
:
: I have never used kermit before and I feel that there is just one or two
: little things I've missed but I can't figure it out. Any help would be
: appreciated.
:
Please take a packet log at each end and send them by email to:

  [e-mail]

It's obviously going to be something pretty basic if not even the first packet
gets through, ever; most likely a transparency or flow-control issue with the
modems.

- Frank