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Using of element ''To File''

Question asked by alpinaj on Jun 16, 2015
Latest reply on Jun 27, 2015 by WDrago

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Hi,

I would like to obtain one information as far measures files are concerned. Here my problem : I would like to put two series of measurements on two columns in the file ''text''. These two series of measurements are doing simultaneously. For this, i use one element which's name ''To File'', but i don't reach to correctly clean these two series of measurements in only one file ''texte''. I research some informations in technical documentation but i don't find that i research.

For example, here one file ''text''.

I thank you.

Regards.

Edited by: alpinaj on Jun 16, 2015 2:12 AM

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myFile.txt81 bytes

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WDrago Jun 16, 2015 8:43 AM

Before you send data to the text file you have to format it yourself into the desired number of columns. The To File object will not do this for you. If you want your data in nice neat columns use the To String object. This will allow you to set field widths and number of decimal places, etc.

To make development/debugging easier use a Logging Alphanumeric to see what your formatted data looks like before going through the trouble of writing to a file and then opening the file to see it. What you see in the Alphanumeric is exactly how the text file will look.

-Bill

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alpinaj @ WDrago on Jun 17, 2015 1:08 AM

Hi,

I worked on your suggestion. The result is interesting but i prefer that values of Pe(dBm) are associated at values Ps (dBm) as following : In fact on two columns, i reseach to obtain in first Pe(dBm) and on the second column Ps(dBm) and below some different values Pe(dBm) and Ps(dBm).
Here one screenshot :

I thank you.

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Picture1.png217.5 KB

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Mike @ alpinaj on Jun 17, 2015 2:01 AM

Ha - you're so close!

Three things then ( okay maybe four ):

1. write the header as a separate UF and call that once at the start

2. write each line with one pair of values in another UF, I'll call it writeValuesToFile but of course you can name it as you wish

3. remove the EOL ( end-of-line sequence i.e. carriage-return + line-feed ) from the Pe entry

That means that 4. you'll need to call each line for each pair of values being logged. You can either do that in the part of the program that calls writeValuesToFileUF or, in the writeValuesToFile UF, include a FOR loop which writes each line for every pair of values in the input container.

If you'd like an example, let me know and I'll post one.

BR, Mike

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alpinaj @ Mike on Jun 17, 2015 4:29 AM

Hi,

I have one question : What is the signification of these two initials letters : UF ?

Regards.

Edited by: alpinaj on Jun 17, 2015 5:28 AM

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WDrago @ alpinaj on Jun 17, 2015 6:23 AM

UF = UserFunction

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alpinaj @ WDrago on Jun 22, 2015 7:24 AM

Hi,

I am interrest for one program which illustrates yours explanations. This last will help me the concept.

Regards.

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alpinaj @ alpinaj on Jun 26, 2015 7:08 AM

Hi,

It's good. I obtained that what i wanted.

Thank you.

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WDrago @ alpinaj on Jun 27, 2015 11:09 AM

Glad you are making progress. Please consider subscribing to the VRF. You will get faster replies to your questions there:

To subscribe please send an email to: "vrf-request@general.lists.keysight.com" with the word subscribe in the message body (no long signatures and plain text only).

Regards,
-Bill

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8 Replies

WDrago Jun 16, 2015 8:43 AM
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Correct Answer
Before you send data to the text file you have to format it yourself into the desired number of columns. The To File object will not do this for you. If you want your data in nice neat columns use the To String object. This will allow you to set field widths and number of decimal places, etc.

To make development/debugging easier use a Logging Alphanumeric to see what your formatted data looks like before going through the trouble of writing to a file and then opening the file to see it. What you see in the Alphanumeric is exactly how the text file will look.

-Bill
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- alpinaj @ WDrago on Jun 17, 2015 1:08 AM
  Mark Correct
  Correct Answer
  Hi,
  
  I worked on your suggestion. The result is interesting but i prefer that values of Pe(dBm) are associated at values Ps (dBm) as following : In fact on two columns, i reseach to obtain in first Pe(dBm) and on the second column Ps(dBm) and below some different values Pe(dBm) and Ps(dBm).
  Here one screenshot :
  
  I thank you.
  Attachments
  - Picture1.png217.5 KB
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  - Mike @ alpinaj on Jun 17, 2015 2:01 AM
    Mark Correct
    Correct Answer
    Ha - you're so close!
    
    Three things then ( okay maybe four ):
    
    1. write the header as a separate UF and call that once at the start
    
    2. write each line with one pair of values in another UF, I'll call it writeValuesToFile but of course you can name it as you wish
    
    3. remove the EOL ( end-of-line sequence i.e. carriage-return + line-feed ) from the Pe entry
    
    That means that 4. you'll need to call each line for each pair of values being logged. You can either do that in the part of the program that calls writeValuesToFileUF or, in the writeValuesToFile UF, include a FOR loop which writes each line for every pair of values in the input container.
    
    If you'd like an example, let me know and I'll post one.
    
    BR, Mike
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    - alpinaj @ Mike on Jun 17, 2015 4:29 AM
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      Hi,
      
      I have one question : What is the signification of these two initials letters : UF ?
      
      Regards.
      
      Edited by: alpinaj on Jun 17, 2015 5:28 AM
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      - WDrago @ alpinaj on Jun 17, 2015 6:23 AM
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        UF = UserFunction
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        alpinaj @ WDrago on Jun 22, 2015 7:24 AM
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        Hi,
        
        I am interrest for one program which illustrates yours explanations. This last will help me the concept.
        
        Regards.
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        alpinaj @ alpinaj on Jun 26, 2015 7:08 AM
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        Hi,
        
        It's good. I obtained that what i wanted.
        
        Thank you.
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        WDrago @ alpinaj on Jun 27, 2015 11:09 AM
        Mark Correct
        Correct Answer
        Glad you are making progress. Please consider subscribing to the VRF. You will get faster replies to your questions there:
        
        To subscribe please send an email to: "vrf-request@general.lists.keysight.com" with the word subscribe in the message body (no long signatures and plain text only).
        
        Regards,
        -Bill
        Like • Show 0 Likes0
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Using of element ''To File''

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