Save data to multiple files

Hi!
I am trying to save measurement data to multiple files using the Write to measurement Express VI. The problem is that no matter what I do the program always save the data to one huge file, even if I configure the VI to save the data as a series of separate files.
I am using LabVIEW 8.2 and a NI USB-6251 to collect data from LASER based optical measurement system. The sampling rate is of the order 25-100kHz and the measurements are 1-5 minutes.
The attachment is picture of the LabVIEW program I am using.
Greatful for some advice......
Attachments:
LVprogram.JPG ‏73 KB

Your file path is only one & the same variable that always throws the same file path to the Write to Measurement File VI; so, it does its job correctly. What you ve to do is, if you want different files, you need to supply different names for them either manually or programmatically.
You can achieve htis easily, if you think a little bit more...
- Partha
LabVIEW - Wires that catch bugs!

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Writing Data to Multiple Files

Hi,
I got a problem while writing the data to multiple files.
Actually my requirement is,
I want to read the data from multiple files and retrieve the required data from those and save that data into separate files.
Meaning if i read the data from "D:\kiran\kk\123\kiran.txt" the retrieved data should be saved in "D:\kiran\kk\kiran.txt" the file name should be created with the input file name.
here is my code,
//here i am taking the files into loop
for(int i=0;i<files.length;i++){
try{
//reading the files
BufferedReader br=new BufferedReader(new FileReader(files));
//creating a new file for writing the retrieved data
pw=new PrintWriter("D:\\Kiran\\kk"+File.separator.concat(str[i]));
String line=br.readLine();
while(line!=null){
line=br.readLine();
//here i am matching the required data
Matcher m = Pattern.compile("name(\\s*\\W*\\w*\\W*.\\w*.)|invoice (\\W*(\\d+))|amount(\\W*(\\d+),\\d*)|site(\\s*Rs\\.[\\d]*,[\\d]*/-)", Pattern.CASE_INSENSITIVE).matcher(line);
while(m.find()){
System.out.println(m.group());
//here printing the retrieved data to a file
pw.println(m.group());
br.close();
but i am ending up with some issues.
Data is reading properly from all the files, but when i write that data into individual files the data which is retrieved from last file is only printing into the file which is created last.
Please help me regarding this,
Thanks,
Kiran

D:\kiran\kk\123\
In this folder some files are there say,
kk.txt,kiran.txt,praveen.txt and so on, i can read the entire data from those files and also retrieving the required data like name,data etc. from all the files. Now the retrieved data should be stored in individual files means, if the data is retrieved from kk.txt then that particular data should be stored in the file with the same file name but in different location likewise it should happen for all the files those are in that folder.
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Tyr Fm's
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2. GUI_UPLOAD
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thats ok. ForEachLoop would be able to iterate through the files. You can declare a variable inside loop to capture the filenames. Choose fully qualified as the option in loop
Then inside loop
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Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

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hi,
Check this blog also...
/people/pooja.pandey/blog/2005/07/27/idocs-multiple-types-collection-in-bpm
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How generate a XML file & how to save data in that file?

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you can mail me at [email protected]
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Message was edited by:
 deqiang zhang

Check the example program using GUI_DOWNLOAD and it may help you
report zan_guidownload no standard page heading.
tables : vttk.
data : begin of i_vttk occurs 0,
 tknum like vttk-tknum,
 shtyp like vttk-shtyp,
 end of i_vttk.
data : begin of i_down occurs 0,
 fld(255) type c,
 end of i_down.
start-of-selection.
select tknum shtyp from vttk into table i_vttk.
end-of-selection.
loop at i_vttk.
concatenate i_vttk-tknum ',' i_vttk into i_down.
endloop.
call function 'GUI_DOWNLOAD'
 exporting
BIN_FILESIZE =
 filename = 'C:\down.xls'
 filetype = 'ASC'
 append = 'X'
 write_field_separator = ','
HEADER = '00'
TRUNC_TRAILING_BLANKS = ' '
WRITE_LF = 'X'
COL_SELECT = ' '
COL_SELECT_MASK = ' '
DAT_MODE = ' '
CONFIRM_OVERWRITE = ' '
NO_AUTH_CHECK = ' '
CODEPAGE = ' '
IGNORE_CERR = ABAP_TRUE
REPLACEMENT = '#'
WRITE_BOM = ' '
TRUNC_TRAILING_BLANKS_EOL = 'X'
WK1_N_FORMAT = ' '
WK1_N_SIZE = ' '
WK1_T_FORMAT = ' '
WK1_T_SIZE = ' '
IMPORTING
FILELENGTH =
 tables
 data_tab = i_vttk
FIELDNAMES =
EXCEPTIONS
FILE_WRITE_ERROR = 1
NO_BATCH = 2
GUI_REFUSE_FILETRANSFER = 3
INVALID_TYPE = 4
NO_AUTHORITY = 5
UNKNOWN_ERROR = 6
HEADER_NOT_ALLOWED = 7
SEPARATOR_NOT_ALLOWED = 8
FILESIZE_NOT_ALLOWED = 9
HEADER_TOO_LONG = 10
DP_ERROR_CREATE = 11
DP_ERROR_SEND = 12
DP_ERROR_WRITE = 13
UNKNOWN_DP_ERROR = 14
ACCESS_DENIED = 15
DP_OUT_OF_MEMORY = 16
DISK_FULL = 17
DP_TIMEOUT = 18
FILE_NOT_FOUND = 19
DATAPROVIDER_EXCEPTION = 20
CONTROL_FLUSH_ERROR = 21
OTHERS = 22
if sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
endif.
Thanks
Seshu

Regarding ssis - Divide data over multiple files

Hi,
I have input data like this
filename       id
a                   1
a                  2
b                 3
c                3
i want to send the data different excel sheets
all 'a' should go one excel file
b should go one excel file
if other time z is there z should go one file    these should happen dynamically
please help me

See similar logic explained here
It even creates the excel sheets on the fly
http://visakhm.blogspot.in/2013/09/exporting-sqlserver-data-to-multiple.html
Please Mark This As Answer if it solved your issue
Please Mark This As Helpful if it helps to solve your issue
Visakh
My MSDN Page
My Personal Blog
My Facebook Page

Last run date & time & multiple files handling

Hi frnds,
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Now i have an issue here when i am giving plant as input in selection screen (select-options), i should also get those plants from my custom table which have no last run date and time.
How to get that?
Next part of my question is for multiple plants entry,multiple files have to created in application server.
Presently, i have concatenated the file path n name.Do i need to loop the same with s_werks.Will it work
Also i used an internal table for update data storage.When multiple plants are their how to handle the updation.
Rgds,
Simran

Hi.
In ur reply i did'nt understood two things
1) this is how i'm doin the selection
    select lt_run_dt
           lt_run_tm
    into table itab1
    from z_table
    where prog_name EQ sy-repid
    AND   plant IN s_werks
will it give me plants whose last_run_date and last_run_time are not in the z table?
2) If you are going with select-option from parameter, then if you have to write a FILE per PLANT. Then you can loop at plant->extract the data-> write to app server-update z table->end loop
Does that means:
loop at s_werks
open dataset
transfer
modify
endloop
Kindly clarify to solve this issue.
Rgds,
Simran

How to read data from multiple files and append in columns in one file

Hi Guys,
I have a problem in appending data from files in different columns. I have attachement has file A and B which I am reading and not able to get data as in file Result.txt. Please comment on how can I do this
Solved!
Go to Solution.
Attachments:
Write to file.vi ‏13 KB
A.txt.txt ‏1 KB
B.txt.txt ‏1 KB

You cannot append columns to an existing file. Since the data is arrange line-by-line as one long linear string in the file, you can only append rows. A new row needs to be interlaced into the original file, shifting everything else. If you want to append rows, you need to build the entire output structure in memory and then write all at once.
(I also don't think you need to set the file positions, it will be remembered from the last write operation.)
Unless the files are gigantic, here's what I would do:
(Also note that some of your rows have an extra tab at the end. If this is normal, you need a little bit more code to strop out empty columns. I include cleaned up files in the attachment. I also would not call them A.txt.txt etc. A plain A.txt is probably sufficient.)
EDIT: It seems Dennis's solution is similar )
LabVIEW Champion . Do more with less code and in less time .
Attachments:
Write to fileMOD.zip ‏6 KB
MergeColumns.png ‏6 KB

Save data in a file and email the file

Dear all,
I have 2 vi files:
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2. another vi can send a file out through email when it is run.
Is it possible for me to run the first vi and stop after one hour (to store data into A file), then run the second vi file and stop (to send A file through email), and then run the first vi again immediately after running the second vi? This is because I need to send out my data saved hourly through email and get my 1st vi to continue running through out the day.
Due to the file path for my first vi and the second vi are the same, I keep getting error as below when either 1 vi is not stopped.
Error 5 occurred at Open/Create/Replace File in Write Spreadsheet String.vi->Write To Spreadsheet File (DBL).vi
Please advice. Thanks.
Kim

Dear Ravens,
I tried to kill (remove) the event structure from my earlier code, but as I run it, I get the same error again- error 5.
I also tried to put time out value 200 at the timenode at the upper left of the event structure but the email part just never executed.
I searched thru the forum and found a several examples on state machine as attached. I tried the first attachment for my program but obviously I used the wrong one as you adviced. As for the other state machine examples that I downloaded, I couldn't figure out how to apply them for my case correctly. Can you advcice how can I implement state machine to get the results tat I need?... Pls gv me some clearer hints?
Attachments:
QueuedStateMachineWithEvents.vi ‏49 KB
StandardStateMachine_2MOD.vi ‏19 KB
JKI State machine.vi ‏75 KB

Save data into multiple collections in Data Control

Hi,
In another post (https://forums.oracle.com/message/11094155) I asked how to merge data from multiple collections and show it into a table. FrankNimphius gave me the correct answer. I have now my table with data merged from some collections from my data control. But now I have the opposite request: the table must allow insert new rows and store the data in the model that is represented by all those collections.
I saw this blog https://blogs.oracle.com/jdevotnharvest/entry/how_to_add_new_adf, and is great, but works with one collectionModel, but the idea is exactly the same, just with multiple collectionModels inside a parent one.
The table is not bounded to one collectionModel, it is bounded to a List<MyObject> in my managed bean, so the built-in Create/Delete data control operations of the parent collection don't work.
Another thing is: for me the model is a black box, I don't know anything about the model, I just know the datacontrol.
Thanks!
AAPDL

Hi Frank,
I tried calling the create built-in operation for each collection.
I insert the row in the parent RowSetIterator and set it as the currentRow, then call the create operation. Later insert rows in each children and call the create operation of each one. Finally I call the commit operation.
I tried and it worked, but you said that there would be a tricky part. I don't know if in the code bellow I did that, please let me know.
In the bellow code the PersonasBinding2 is bind to the iterator of the parent collection, and the PersonaNaturalBinding2 and IdentificacionBinding2 are bind to the children collections.
 DCBindingContainer bindingContainer = (DCBindingContainer)BindingContext.getCurrent().getCurrentBindingsEntry();
 JUCtrlHierBinding personasBinding = (JUCtrlHierBinding)bindingContainer.findCtrlBinding("PersonasBinding2");
 RowSetIterator personasRowSet = personasBinding.getIteratorBinding().getRowSetIterator();
 Row nuevaFilaPersona = personasRowSet.createRow();
 nuevaFilaPersona.setAttribute("Id",15);
 nuevaFilaPersona.setAttribute("TipoPersona",0);
 OperationBinding createPersonaOperation = bindingContainer.getOperationBinding("CreatePersona");
 createPersonaOperation.execute();
 personasRowSet.setCurrentRow(nuevaFilaPersona);
 JUCtrlHierBinding personaNaturalBinding = (JUCtrlHierBinding)bindingContainer.findCtrlBinding("PersonaNaturalBinding2");
 RowSetIterator personaNaturalRowSet = personaNaturalBinding.getIteratorBinding().getRowSetIterator();
 Row nuevaFilaPersonaNatural = personaNaturalRowSet.createRow();
 nuevaFilaPersonaNatural.setAttribute("IdPersona",15);
 nuevaFilaPersonaNatural.setAttribute("PrimerApellido","PA");
 nuevaFilaPersonaNatural.setAttribute("PrimerNombre","PN");
 nuevaFilaPersonaNatural.setAttribute("SegundoApellido","SA");
 nuevaFilaPersonaNatural.setAttribute("SegundoNombre","SN");
 OperationBinding createPersonaNaturalOperation = bindingContainer.getOperationBinding("CreatePersonaNatural");
 createPersonaNaturalOperation.execute();
 JUCtrlHierBinding identificacionBinding = (JUCtrlHierBinding)bindingContainer.findCtrlBinding("IdentificacionBinding2");
 RowSetIterator identificacionRowSet = identificacionBinding.getIteratorBinding().getRowSetIterator();
 Row nuevaFilaIdentificacion = identificacionRowSet.createRow();
 nuevaFilaIdentificacion.setAttribute("IdPersona",15);
 nuevaFilaIdentificacion.setAttribute("NumeroIdentificacion","NI");
 nuevaFilaIdentificacion.setAttribute("TipoIdentificacion","TI");
 OperationBinding createIdentificacionOperation = bindingContainer.getOperationBinding("CreateIdentificacion");
 createIdentificacionOperation.execute();
 OperationBinding commitOperation = bindingContainer.getOperationBinding("Commit");
 commitOperation.execute()
By other side, in the delete operation I guess that I must delete the childrens before the parent. I know that ADF supports the delete cascade operation only if in the database is configured in that way, but as I said, I don't know how is the model.
Thanks!
AAPDL

Save Data from multiple frames

Hi to all,
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