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000051_news@columbia.edu_Wed Dec 6 07:58:49 1995.msg
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From: jrd@cc.usu.edu (Joe Doupnik)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Server download file status
Message-Id: <1995Dec6.135849.68926@cc.usu.edu>
Date: 6 Dec 95 13:58:49 MDT
References: <4a4b17$76n$1@mhade.production.compuserve.com>
Organization: Utah State University
Lines: 33
Apparently-To: kermit.misc@watsun.cc.columbia.edu
In article <4a4b17$76n$1@mhade.production.compuserve.com>, Rich Godlewsky 76412.156@compuserve.com <76412.156@CompuServe.COM> writes:
> Under Windows environment, we are using Kermit's Server to
> receive files from a remote site. Concurrently with executing the
> Kermit server (using a *.pif), another (Windows) application is
> running and is looking to process these downloaded files as soon
> as each file is done downloading.
> while Kermit is active which waits until the kermit file is
> received to process the new data. This application determines
> when kermit is done with receiving the file by trying to open the
> file using exclusive mode, i.e., deny write and read access to
> other applications.
>
> This data processing application runs fine on two of our three
> PCs but on the third PC the data processing application can open
> the file and even
> delete the file while kermit is still receiving the file.
>
> Is it possible to tell kermit that the file being received can
> not be
> accessed by any other application? Note, MS Word does this when
> editing
> a file contary to Windows NotePad which allows others to access
> and
> delete a file while being edited.
-----------
You may recall that MS Word and friends require loading the DOS
SHARE program (or Windows equivalent). MS-DOS Kermit opens files in the
most permissive mode, write and do not deny reading, since that is the
most flexible. Your applications environment is dependent on a file locking
senario, and hence on SHARE etc, and clearly Kermit isn't going to provide
that. I would suggest your data apps depend on something else rather than
a brute force file open, but off-hand I don't have a clever idea to offer.
Joe D.