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000364_cmosley@voicenet.com_Tue Sep 4 11:21:16 EDT 2001.msg
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Article: 12745 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!panix!newsfeed.mathworks.com!news.voicenet.com!news3.voicenet.com.POSTED!not-for-mail
From: Christopher Mosley <cmosley@voicenet.com>
Subject: Re: transparent printing in linux
Newsgroups: comp.protocols.kermit.misc
References: <ygIk7.285$gf7.15632@news3.voicenet.com> <9n0fr5$dp1$1@newsmaster.cc.columbia.edu> <SeQk7.298$gf7.15774@news3.voicenet.com>
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Date: Mon, 03 Sep 2001 19:47:39 GMT
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Xref: newsmaster.cc.columbia.edu comp.protocols.kermit.misc:12745
Christopher Mosley <cmosley@voicenet.com> wrote:
> Jeffrey Altman <jaltman@watsun.cc.columbia.edu> wrote:
>> In article <ygIk7.285$gf7.15632@news3.voicenet.com>,
>> Christopher Mosley <cmosley@voicenet.com> wrote:
>> : Hello,
>> : What kind of characters can be sent between the two printing
>> : strings: escape,control,8 bit, characters? What I thinking of
>> : doing is checking to see if a file is binary in my printing script
>> : and uuencoding if it is, then cat-ing it between the printing strings.
>> : I would then add uudecode to the magicfilter, so I could print
>> : graphics, pdf etc. Any ideas?
>> :
>> All character sequences other than the Exit Transparent Print sequence
>> may be transmitted during Transparent Printing.
> Would you have any idea why I can't print some files. A jpeg that will
> print locally on linux using lpr will not print from the remote using
> transparent printing. I have been able to print postscript
> files using transparent printing.
> Thanks
I found some very short gifs (300 bytes) and was able to print them.
Maybe I'm running into the exit sequences prematurely. I'll have
to do some searches in files that failed and see if that is
the problem. I don't how how random the distribution of chars
is in these file types is, If it were random wouldn't the probability
of any four chars being the exit sequence be 1/( 256 ^ 4), a pretty
big number, but me thinks I don't really know. Geesh
>> Jeffrey Altman * Sr.Software Designer C-Kermit 8.0 Beta available
>> The Kermit Project @ Columbia University includes Secure Telnet and FTP
>> http://www.kermit-project.org/ using Kerberos, SRP, and
>> kermit-support@kermit-project.org OpenSSL. SSH soon to follow.