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000327_news@columbia.edu_Wed Jul 12 14:53:52 1995.msg
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(5.65c+CU/IDA-1.4.4/HLK for <kermit.misc@watsun.cc.columbia.edu>); Wed, 12 Jul 1995 10:53:57 -0400
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Binary files in Kerm CMS 4.3
Date: 12 Jul 1995 14:53:52 GMT
Organization: Columbia University
Lines: 34
Message-Id: <3u0nm0$ia5@apakabar.cc.columbia.edu>
References: <3tulne$j02@cronkite.ocis.temple.edu>
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In article <3tulne$j02@cronkite.ocis.temple.edu>,
Stan Horwitz <stan@astro.ocis.temple.edu> wrote:
>There are 4 different choices when setting the file type under Kermit-CMS
>4.3.0 XA. They're: text, binary, d-binary, and v-binary. I know what the
>text and the binary settings do, but what are the d-binary and v-binary
>settings for? The documentation doesn't explain this. What's the difference
>between the three different binary settings?
>
From the manual, IKCKER.DOC:
SET FILE TYPE
Syntax: SET FILE TYPE type
Specifies the type of data comprising files to be sent or received. This
setting may be temporarily superseded by the Attribute packets for a
file being received.
(TEXT, BINARY, blah blah...)
V-BINARY Specifies varying-length-record binary data. This type is like
BINARY, except that a two-byte binary prefix is added to each
outgoing record giving the number of data bytes, and incoming
records are set off by (and stripped of) their prefixes on
receipt.
D-BINARY Is like V-BINARY except that the length prefixes are five-byte
ASCII-encoded decimal (right-justified with leading zeroes).
These types allow CMS variable-length records in binary files (e.g.
program modules) to be preserved when sending to non-CMS systems and then
back again. Otherwise the record boundaries would be lost.
- Frank