En que barra de herramientas esta el Write Characters From File

buenos dias necesito saber en que grupo de herramientas esta la función Write Characters From File
Gracias por la ayuda

jzavala_espoch escribió:
buenos días necesito saber en que grupo de herramientas esta la función Write Characters From File 
¿ "Write Characters to File" o "Write Characters From File"?,  Si esta haciendo referencia a la primera este es un VI que no aparece desde la Versión 8.2 de LabVIEW ya que hacia la misma función que el "Write to Text File" si aun desea utilizarlo este VI se encuentra en la librería que se adjunta, si por el contrario es "Write Characters From File" no he observado esa funcion, a no ser que sea algun VI personalizado.
Jonathan Cruz
CHALLENGER
K U D O S __ B I E N V E N I D O S
Attachments:
file.llb ‏847 KB

Similar Messages

  • File not found when using write characters to file

    OK, I am missing something really basic here.  Whenever I try to use the Write Characters to File function, if I try to give it a path beyond the C:\filename directory, it returns an error.  In other words, C:\Dan works, but C:\Dan\Test reurns an error. WHAT am I missing?

    Bingo! That is the problem. You have to make sure the directory exists before you attempt to write files to it.
         BTW: In LV there is a function for creating folders programatically. A good way to see if a directory exists is to attempt to list its
                   contents. If the list function returns an error, the directory doesn't exist and you have to create it.
    So make use of the error that the file write returns. If you get an error, start at the root of your path and test to see if each level exists, and if not create it. When you have all the folders in place repeat the file save.
    Mike...
    Message Edited by mikeporter on 05-24-2007 12:55 AM
    Certified Professional Instructor
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    "... after all, He's not a tame lion..."
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  • Write Characters to file.vi only outputs 3 columns, I need 4.

    I can format columns with 'tab', but I get a linebreak after column 3 so that data_4 appears on a new line.
    I cant find any line breaks.
    Attachments:
    iridium_two_channels_working_copy.llb ‏80 KB

    The line breaks are coming from the format to spreadhseet string functions...use a format number to fractional string function instead (on the string palette).
    Other observations;
    The sequence structure is not necessary, things will execute in the correct order if you let the data flow control the execution instead...and then the code becomes more readable.
    To use the write characters to file repeatedly in a for loop makes things very slow because then the file is opened and closed for each iteration...instead open the file prior to the loop, just do a write in the loop..and close the file when the entire loop has finished, if there is a lot of iteration to do this will speed up the executing tremendously...
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  • WRITE CHARACTERS TO FILE???

    Hi everyone,
    I am working on a VI that has to write some characters into an existing
    file.
    I have used: Open File--> Write to File--> Close File but once it
    writes the desired data to that file it also writes some kind of bug
    which cannot be read once that File is read.
    Therefore I used the Wirte Characters to File SubVI which works ok.
    When the new data comes in it has to replace the old one, this means
    that the APPEND TO FILE option of the subVI is set to FALSE. The problem
    is that everytime my VI runs and generates the new data that will
    replace the old one, it asks me if I want to replace the existing file,
    which is what I want to do.
    My question is, if there is any way to override the prompt window that
    asks if the e
    xisting file will be replaced and perform the "replacement"
    automatically?
    Appreciate any help,
    Horacio Castilleja
    [email protected]

    This is a common problem with using some of the simple VIs that do not
    present all of the common/usefull functions.
    If you "Save As..." the Write Characters to File.vi to another name like "My
    Write Characters to File.vi" and add a boolean control
    to the front panel or boolean constant to the diagram and connect it to the
    "Advisory Dialog? (display:T)" boolean input of the Open/Create/Replace
    File.vi, with a False, it will suppress the dialog box.
    Stu
    Horacio Castilleja wrote in message
    news:[email protected]..
    > Hi everyone,
    >
    > I am working on a VI that has to write some characters into an existing
    > file.
    > I have used: Open File--> Write to File--> Close File but once it
    > writes the desired data to that file it also w
    rites some kind of bug
    > which cannot be read once that File is read.
    > Therefore I used the Wirte Characters to File SubVI which works ok.
    > When the new data comes in it has to replace the old one, this means
    > that the APPEND TO FILE option of the subVI is set to FALSE. The problem
    > is that everytime my VI runs and generates the new data that will
    > replace the old one, it asks me if I want to replace the existing file,
    > which is what I want to do.
    > My question is, if there is any way to override the prompt window that
    > asks if the existing file will be replaced and perform the "replacement"
    > automatically?
    >
    > Appreciate any help,
    >
    >
    > Horacio Castilleja
    > [email protected]
    >
    >
    >

  • Write characters to file gives a file not found error

    It appears that it generates the error at the open file sub vi, but I have no problem with write to spreadsheet file which uses the same sub vi.
    Jim
    LV 2013

    Sorry to answer with some questions..
    Which version of LV are you using?
    Does the file that you attempt to write to, exist? Do you specify a filename in your vi?
    Otherwise,(in LV7) you will be prompted for a file. If it does not exist, the subvi will create it. If it exists, it will ask if you want to overwrite it.
    Experiment with the "Write Character to File" vi by simply connecting a string to it... and run it.
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  • Write Characters To File VI 这个函数我找不到

    我按照教材说的在file i/o 里找，但就是找不到，是和版本有关吗？我用的是8
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    I don't see that either, but Write Text File should do the same thing.  (It's under File I/O too)
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