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Concurrent FTP

Hi All,
 
I am new to this community.
 
I got a problem with Labview.
Could you please tell me , Anybody faced this type of problem before.
 
I need to run concurrent FTP ( Upload and Downloading the file at same time )  though Labview.
I tried this using System Exec.vi twice which runs in parallel , But I still didn't get better results 😞
Only first command is working fine not the second one.
But this is possible normally means using windows Command prompt.
 
-Regards
Prem
 
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Message 1 of 8
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Hi Prem,

can you show the part of code where you call the system exec function? Did you connect a false constant to the "wait for..." input?

Mike

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Message 2 of 8
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Did you select the system exec wait until done? to be false.  If you asre calling the same system exec program is is it written to allow multiple instances?  If there are any common resources are they allowed to be concurrently accessed? Do you have resource limitations, such as bandwidth, where concurent access will not improve your executaion time?Just a few thoughts.

 

Paul Falkenstein
Coleman Technologies Inc.
CLA, CPI, AIA-Vision
Labview 4.0- 2013, RT, Vision, FPGA
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Message 3 of 8
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Since you are using System Exec you are obviously trying to run a third-party app. So, how do you know the problem is with LabVIEW, as opposed to this app. There are many apps that are not designed to run in multiple instances. If you try to run a second instance of it, you just get to the one that's already running.
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Message 4 of 8
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HI All,
 
I have set the option of "wait until completion" to FALSE.
 
-regards,
Prem
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Message 5 of 8
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Hi All,

Thanks for the reply.

I don't think common resources will be there because I succeded this scenario when i run through Windows Command Propmt.

So Do you think System Exec.vi is not designed to run in multiple instances.

-Prem

 

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Message 6 of 8
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Are you trying to run the code fragment EXACTLY as posted?
 
IE with the system exec.vi inside the TRUE part of a case, with the case selector as a FALSE constant? Smiley Wink
 
Rod
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Message 7 of 8
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Ohh .. Sorry Guys ....

I kept that condition for my debugging purpose Smiley Happy

-Prem

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