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vrf Directory information

Question asked by VRFuser on Feb 3, 2006

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> All I can think of is to establish
> an environmental variable holding
> the directory information.

That wouldn't work. VEE could set up env vars alright, but only the process that wrote them and children of that process would be able to read them.
Probably the easiest thing to do is to just write a file in the root containing the information you want to pass along.
-SHAWN-

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bwalden Feb 1, 2006 5:14 PM
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Hi Warren,

Your suggestion makes the directory name available to the Vee
application but I need to make it available to other, non-related
applications. For info, I intend for these other applications to write
data to files in a sub-directory of the Vee application directory.

Barrie

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warren.pickles Feb 1, 2006 10:39 PM
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Oh I see. I would be inclined to be inelegant here, and have your vee
app save the name of its directory into a text file in the root of C:
drive or somewhere equally universally accessible to other apps.

Alternatives:

VEE can read env variables easily enough with GetEnv(), but there is no
SetEnv() so I guess you would have to do some API call or dotnet stuff.
Or DOS command line might work.

Writing to the registry might be worth considering. But then I don't
like to mess with the registry.

I could be wrong, but I seem to remember someone posted VEE code maybe
half a year ago that could get the command line that started any given
window - depends on your vee app actually running though. And you would
have to work out how to do that from non-vee apps.

Seems easiest just to write the text file, easier to troubleshoot as
well.

Warren

-----Original Message-----
From: Barrie Walden [mailto:bwalden@whoi.edu]
Sent: 02 February 2006 14:15
To: VRF
Subject: Re: [vrf] Directory information

Hi Warren,

Your suggestion makes the directory name available to the Vee
application but I need to make it available to other, non-related
applications. For info, I intend for these other applications to write
data to files in a sub-directory of the Vee application directory.

Barrie

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VRFuser Feb 2, 2006 12:16 AM
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Barrie,
dirName(programName()) should do it.
Regards,
Warren

-----Original Message-----
From: Barrie Walden [mailto:bwalden@whoi.edu]
Sent: 01 February 2006 23:46
To: VRF
Subject: [vrf] Directory information

Hi Folks,

I have a number of small application (some Vee and some not) that need to know the directory containing a running Vee 6.01 application. I would like the Vee application to determine its directory and do something with it to make it available to other applications in a straight forward and perhaps routinely used manner. All I can think of is to establish an environmental variable holding the directory information. Is there another method that might be better?

If not, what's the best way for a Vee application to set and retrieve enviornmental variable values?

Thanks,

Barrie
whoi

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VRFuser Feb 2, 2006 6:29 AM
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Hi Warren,

Your suggestion makes the directory name available to the Vee application but I need to make it available to other, non-related applications. For info, I intend for these other applications to write data to files in a sub-directory of the Vee application directory.

Barrie

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VRFuser Feb 2, 2006 6:53 AM
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Oh I see. I would be inclined to be inelegant here, and have your vee app save the name of its directory into a text file in the root of C:
drive or somewhere equally universally accessible to other apps.

Alternatives:

VEE can read env variables easily enough with GetEnv(), but there is no
SetEnv() so I guess you would have to do some API call or dotnet stuff.
Or DOS command line might work.

Writing to the registry might be worth considering. But then I don't like to mess with the registry.

I could be wrong, but I seem to remember someone posted VEE code maybe half a year ago that could get the command line that started any given window - depends on your vee app actually running though. And you would have to work out how to do that from non-vee apps.

Seems easiest just to write the text file, easier to troubleshoot as well.

Warren

-----Original Message-----
From: Barrie Walden [mailto:bwalden@whoi.edu]
Sent: 02 February 2006 14:15
To: VRF
Subject: Re: [vrf] Directory information

Hi Warren,

Your suggestion makes the directory name available to the Vee application but I need to make it available to other, non-related applications. For info, I intend for these other applications to write data to files in a sub-directory of the Vee application directory.

Barrie

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VRFuser Feb 2, 2006 1:56 PM
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> All I can think of is to establish
> an environmental variable holding
> the directory information.

That wouldn't work. VEE could set up env vars alright, but only the process
that wrote them and children of that process would be able to read them.
Probably the easiest thing to do is to just write a file in the root
containing the information you want to pass along.
-SHAWN-

---
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