Merging XML Files After Debatching - 10.1.3.4

I have a large fixed-width file which I am debatching and transforming to XML files:
bigfile.txt (~52MB) -> file_%SEQ%.xml (~4MB each)
resulting in:
file_2001.xml (~4MB)
file_2002.xml (~4MB)
file_2003.xml (~4MB)
file_2004.xml (~4MB)
I would like to merge these resulting XML files back into one XML file:
bigfile.xml (~52MB)
I know the [Append="true"] attribute in the file adapter used to write the file won't "work" with XML files. I've tested this anyway and received "out of memory" errors while appending. This removes post-processing options.
I'm new to BPEL and feel that I must be missing something simple. Any advice would be appreciated.
Thanks in advance,
Rob

Hi Rob,
You can create a temp variable of xsd type of bigfile.xml, read all below files one by one and within assign activity use append operation to append all xml files, when all read is complete, dispatch this message to file adapter to write file.
file_2001.xml (~4MB)
file_2002.xml (~4MB)
file_2003.xml (~4MB)
file_2004.xml (~4MB)
Here, there is a possibility of out of memory error.
Please try it,
Regards

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I am using DOM parser to parse an XML file.
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Edited by: itskarthik on Oct 10, 2008 7:16 AM
Edited by: itskarthik on Oct 10, 2008 7:18 AM
Edited by: itskarthik on Oct 10, 2008 7:19 AM
Edited by: itskarthik on Oct 10, 2008 7:19 AM
Edited by: itskarthik on Oct 10, 2008 7:23 AM
Edited by: itskarthik on Oct 10, 2008 7:23 AM

Wierd.
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import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
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<ENAME>WARD</ENAME>
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<MGR>7698</MGR>
<HIREDATE>22-FEB-81</HIREDATE>
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<COMM>500</COMM>
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<EMPNO>7566</EMPNO>
<ENAME>JONES</ENAME>
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<EMP>
<EMPNO>7654</EMPNO>
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<DEPTNO>30</DEPTNO>
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<ENAME>BLAKE</ENAME>
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<MGR>7839</MGR>
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<EMP>
<EMPNO>7782</EMPNO>
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<JOB>MANAGER</JOB>
<MGR>7839</MGR>
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<EMP>
<EMPNO>7788</EMPNO>
<ENAME>SCOTT</ENAME>
<JOB>ANALYST</JOB>
<MGR>7566</MGR>
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<DEPTNO>20</DEPTNO>
</EMP>
<EMP>
<EMPNO>7839</EMPNO>
<ENAME>KING</ENAME>
<JOB>PRESIDENT</JOB>
<HIREDATE>17-NOV-81</HIREDATE>
<SAL>5000</SAL>
<DEPTNO>10</DEPTNO>
</EMP>
<EMP>
<EMPNO>7844</EMPNO>
<ENAME>TURNER</ENAME>
<JOB>SALESMAN</JOB>
<MGR>7698</MGR>
<HIREDATE>08-SEP-81</HIREDATE>
<SAL>1500</SAL>
<COMM>0</COMM>
<DEPTNO>30</DEPTNO>
</EMP>
<EMP>
<EMPNO>7876</EMPNO>
<ENAME>ADAMS</ENAME>
<JOB>CLERK</JOB>
<MGR>7788</MGR>
<HIREDATE>12-JAN-83</HIREDATE>
<SAL>1100</SAL>
<DEPTNO>20</DEPTNO>
</EMP>
<EMP>
<EMPNO>7900</EMPNO>
<ENAME>JAMES</ENAME>
<JOB>CLERK</JOB>
<MGR>7698</MGR>
<HIREDATE>03-DEC-81</HIREDATE>
<SAL>950</SAL>
<DEPTNO>30</DEPTNO>
</EMP>
<EMP>
<EMPNO>7902</EMPNO>
<ENAME>FORD</ENAME>
<JOB>ANALYST</JOB>
<MGR>7566</MGR>
<HIREDATE>03-DEC-81</HIREDATE>
<SAL>3000</SAL>
<DEPTNO>20</DEPTNO>
</EMP>
<EMP>
<EMPNO>7934</EMPNO>
<ENAME>MILLER</ENAME>
<JOB>CLERK</JOB>
<MGR>7782</MGR>
<HIREDATE>23-JAN-82</HIREDATE>
<SAL>1300</SAL>
<DEPTNO>10</DEPTNO>
</EMP>
</EMP_SET>
Required output is -
<?xml version="1.0"?>
<DEPT_SET>
<DEPT>
<DEPTNO>10</DEPTNO>
<DNAME>ACCOUNTING</DNAME>
<LOC>NEW YORK</LOC>
</DEPT>
<DEPT>
<DEPTNO>20</DEPTNO>
<DNAME>RESEARCH</DNAME>
<LOC>DALLAS</LOC>
</DEPT>
<EMP>
<EMPNO>7369</EMPNO>
<ENAME>SMITH</ENAME>
<JOB>CLERK</JOB>
<MGR>7902</MGR>
<HIREDATE>17-DEC-80</HIREDATE>
<SAL>800</SAL>
<DEPTNO>20</DEPTNO>
</EMP>
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<DEPTNO>30</DEPTNO>
<DNAME>SALES</DNAME>
<LOC>CHICAGO</LOC>
</DEPT>
<DEPT>
<DEPTNO>40</DEPTNO>
<DNAME>OPERATIONS</DNAME>
<LOC>BOSTON</LOC>
</DEPT>
</DEPT_SET>

Well, if you are building the dept and emp XML files yourself, then the easiest solution is to use one SQL/XML (XMLElement, XMLForest, XMLAgg) statement to build the required XML instead of building two pieces and trying to merge.
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<pre>
Hi
<b>i have xml document, which is shown below
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE Message SYSTEM "TRD01.dtd">
<Message>
<Header>
<CounterPartyType>CLIENT</CounterPartyType>
<CreationTime>20134455</CreationTime>
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<ErrorEnterPriseId>N</ErrorEnterPriseId>
<ErrorStatus>1</ErrorStatus>
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<RecipientEnterpriseId>N</RecipientEnterpriseId>
<RecipentSystemId>EXM</RecipentSystemId>
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Object result6 = expression6.evaluate(doc, XPathConstants.NODE);
Node node6=(Node) result6;
node6.getParentNode().removeChild(node6);
XPathExpression expression7 = xpath.compile(xmlpath7);
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Node node7=(Node) result7;
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<Message>
<Header>
<CounterPartyType>CLIENT</CounterPartyType>
<CreationTime>20134455</CreationTime>
<MessageType>TRD01</MessageType>
<RecipientEnterpriseId>N</RecipientEnterpriseId>
<RecipentSystemId>STL</RecipentSystemId>
<Remarks>REMARSK</Remarks>
<SenderEnterpriseId>N</SenderEnterpriseId>
<SenderSystemId>T</SenderSystemId>
</Header>
</Message>
<b>could you please let me know how to avoid empty lines in the xml doucment output</b>
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try{
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder db = factory.newDocumentBuilder();
//parse file into DOM
/*DOMParser parser = new DOMParser();
parser.setErrorStream(System.err);
parser.setValidationMode(DTD_validation);
parser.showWarnings(true);*/
System.out.println ("HI THIS xml is validation "+xml);
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XPath xpath = xpf.newXPath();
// XPathExpression expression = xpath.compile("//A/B[C/E/text()=13]");
String xmlpath="/Message/Header/CounterPartyType/text()";
String xmlpath1="/Message/Header/RecipentSystemId/text()";
String xmlpath2="/Message/Header/ErrorSystemId/text()";
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XPathExpression expression1 = xpath.compile(xmlpath2);
Object result = expression.evaluate(doc, XPathConstants.NODE);
Object result1 = expression1.evaluate(doc, XPathConstants.NODE);
Node node = (Node) result;
Node node1 = (Node) result1;
System.out.println("the values of the string is " +node.getNodeValue());
System.out.println("the values of the string is " +node1.getNodeValue());
// for (int i = 0; i < nodes.getLength(); i++) {
//System.out.println(nodes.item(i).getNodeValue());
// CAHNGING THE RECEIPENT NODE
XPathExpression expression2 = xpath.compile(xmlpath1);
Object result2 = expression2.evaluate(doc, XPathConstants.NODE);
Node node2 = (Node) result2;
System.out.println(node2);
node2.setNodeValue(node1.getNodeValue());
System.out.println(node2);
//removing the nodes from document
String xmlpath3="/Message/Header/ErrorCode";
String xmlpath4="/Message/Header/ErrorEnterPriseId";
String xmlpath5="/Message/Header/ErrorStatus";
String xmlpath6="/Message/Header/ErrorSystemId";
String xmlpath7="/Message/Header/ErrorTimes";
XPathExpression expression3 = xpath.compile(xmlpath3);
Object result3 = expression3.evaluate(doc, XPathConstants.NODE);
Node node3 = (Node) result3;
node3.getParentNode().removeChild(node3);
XPathExpression expression4 = xpath.compile(xmlpath4);
Object result4 = expression4.evaluate(doc, XPathConstants.NODE);
Node node4 = (Node) result4;
System.out.println("node value");
System.out.println(node4.getParentNode().getNodeName());
node4.getParentNode().removeChild(node4);
XPathExpression expression5 = xpath.compile(xmlpath5);
Object result5 = expression5.evaluate(doc, XPathConstants.NODE);
Node node5 = (Node) result5;
node5.getParentNode().removeChild(node5);
XPathExpression expression6 = xpath.compile(xmlpath6);
Object result6 = expression6.evaluate(doc, XPathConstants.NODE);
Node node6=(Node) result6;
node6.getParentNode().removeChild(node6);
XPathExpression expression7 = xpath.compile(xmlpath7);
Object result7 = expression7.evaluate(doc, XPathConstants.NODE);
Node node7=(Node) result7;
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//b13Node.getParentNode().removeChild(b13Node);
doc.normalize();
doc.normalizeDocument();
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t.setOutputProperty(OutputKeys.INDENT, "yes");
t.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
t.setOutputProperty(OutputKeys.METHOD,"xml");
t.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
t.transform(new DOMSource(doc), new StreamResult(System.out));
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</pre>
Edited by: user12185243 on Apr 6, 2013 6:38 AM
Edited by: user12185243 on Apr 6, 2013 6:41 AM
Edited by: user12185243 on Apr 6, 2013 6:43 AM
Edited by: user12185243 on Apr 6, 2013 6:45 AM
Edited by: user12185243 on Apr 6, 2013 9:00 AM

either this way we can do this
1)
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
<b> factory.setIgnoringElementContentWhitespace(true); </b>
DocumentBuilder db = factory.newDocumentBuilder();
or
2)
java.io.StringWriter sw = new java.io.StringWriter();
StreamResult sr = new StreamResult(sw);
t.transform(new DOMSource(doc), sr);
String xml1 = sw.toString().trim();
<b> xml1=xml1.replaceAll("\\s",""); </b>
System.out.println(xml1.trim());

Pacnew_scripts: scripts to merge some .pacnew files after an upgrade

info page: http://xyne.archlinux.ca/info/pacnew_scripts
I was updating my old system which doesn't get turned on that often and had to deal with about 15 pacnew files. Most only required a simple "mv /path/to/file{.pacnew,}" but some required merging. I found a script that I had written a while ago to merge /etc/group.pacnew, made some changes, made a copy which can handle gshadow, then wrote scripts to handle the pacman mirrorlist and locale.gen.
Thus the pacnew_scripts package was born.
infopage wrote:
This package contains scripts which can help merge .pacnew files after a pacman upgrade. These scripts print their results to STDOUT and thus do NOT make any changes to the files. It is up to the user to inspect the output and, if satisfied, redirect it to the original file and then delete the .pacnew file.
The scripts accept "-c" and "--compare" as options and will display relevant information about differences between the files. For group and gshadow, this will display 3 columns to compare the original, .pacnew and merged files and will use colors to highlight changes. For the mirrorlist and locale.gen, it will check that all settings in the original file are available in the new file and print out a list of any that aren't (e.g. if one of your current mirrors has been dropped from the mirrorlist, it will be listed in the output).
I'll probably add scripts as I go. I might also merge the scripts to avoid some redundancy but I decided to keep them simple for now. merge_pacnew_locale_gen is actually very generic and works on the mirrorlist and probably other files as well. If you find any, let me know.
Last edited by Xyne (2010-03-21 13:03:34)

beroal wrote:
I'm really astonished that you interpreted my post as an advertisement of "diffpac".
Xyne wrote:Have you even tried these scripts and compared them to the alternatives that you've proposed? … you can at least post comments based on an informed comparison.
I expected such a comparison from you. If "pacnew_scripts" merges files automatically, what algorithm does it use?
I didn't interpret it as advertisement. It seemed that you read the basic description of what this does and concluded that something else already does the same thing. Following on the tail of the previous posts I felt that your post was somewhat rude because it implies that this is useless. Obviously that is relative, but even so I see no point of posting in this thread to express it, even indirectly.
I admit that I may have interpreted your post the wrong way and if I did then I apologize, but even then I don't understand why you felt the need to post what you did in a contribution thread.
As for algorithms, there are different scripts and they use different algorithms. The group and gshadow scripts create hash representations of the groups in the original and .pacnew files. Groups which only exist in one of the files pass through untouched. Groups which exist in both have their members combined, which usually means that the original simply passes through. Using the "--compare" option, three aligned columns are displayed which clearly shows existing groups, new groups and the results of merging, with colors used to highlight all changes.
The mirrorlist script creates a list of selected servers in the current mirrorlist and generates a new mirrorlist from the .pacnew mirrorlist with all servers in the generated list uncommented, if they exist. Passing the "--compare" option will simply check if all the currently selected mirrors still exist in the new mirrorlist (they might not if they're dropped) and prints out a list of any that aren't.
The locale_gen script does the same thing for currently enabled locales.
Also note that all of the results are printed to STDOUT so no files are actually changes. It isn't fully "automatic" and the user is expected to sanity-check the results before overwriting the target files.

Error while uploading .xml file for Customer/Vendor List for Italy

Hi All,
We are facing problem while uploading the .xml file in DMEE transaction for the new Customer/Vendor List for Italy.
We have followed the entire process given in the OSS Note(1090857).
We have SAP 4.6c and followed the below steps:
1. Created ID-FI-IT Development class
2. Added domains
3. Added Data elements
4. Tried to upload the given .xml file and got any error saying ".xml file could not be interpreted".
Also there is a .SAR file mentioned to upload if we receive any errors while uploading .xml file.
Tried uploading the .SAR file also. STill we are recieving the same Error.
Can any one of you help us out.
Thanks in Advance.
Ramesh

Ok, we upload .SAR file in this way:
1. unpack .SAR file with SAPCAR.EXE program. Yuo obtain 2 files
R492445.P9C and K492445.P9C
2. put K492445.P9C in directory \SAPMNT\TRANS\COFILES and put R492445.P9C in directory \SAPMNT\TRANS\DATA of your system (DEV, TST or PRD)
3. Use Tx STMS. If You want create DMEE tree in DEV system, go to DEV import queue. Choose menu Extras | Other requests | Add. Insert P9CK492445 in Transp. request field.
4. Import the request. This creates the DMEE tree. You don't need ti upload XML file after. You can see the DMEE tree created with Tx DMEE and inserting
Tree type UMS1
Format tree IT_CUST_VEN_LIST
5. after continue follow the note
I hope this help you
Roberto

URGENT - Posting a XML file to a listener URL

Hi all,
I have a situation like this: A servlet Client should post a XML file
to a listener URL, and the listener responds back with a XML file
after the processing the posted XML file.
1. Before posting, the servlet client should establish a session with
the server on which the listener URL is sitting and the Server will
return a cookie with the authentication credentials to the servlet
client.
2. That cookie should be added to the HTTPResponse and then the
posting of the file should happen.
The first part is happening okay ..and i could add that cookie to the
HTTPresponse.
Now, did anyone successfully post a XML file to a listener URL like this from a servlet?
I tried using URLConnection, but my cookie got lost and i got back a 401 error. The key there is i should use the same HTTPrequest and HTTPresponse objects, as the cokie needs to be retained!
Any example code please!!
thanks a lot
Rox

Thanks for your response, but i dont think using authenticator would work. To tell you exactly what is happening there, the url to which the sevlet posts the XML file is protected by Siteminder ( a Enterprise securty platform) and all it requires is a cookie with authenticated credentials on the httprequest/httpresponse objects which are trying to post to that URL. If it find the cookie with the credentials, then the requestor will not be challenged for credentials.
Here is what i am doing:
String urlString = "http://webservicesURL.com/ws";
Cookie SMSESSION = setSMSession();
          if(SMSESSION != null)
               response.addCookie(SMSESSION);
          System.out.println("\n..Cookie confirmation..\n"+SMSESSION.getName()+" : "+SMSESSION.getValue());
URL u = new URL(urlString);
          URLConnection conn = u.openConnection();
          conn.setDoOutput(true);
          conn.setDoInput(true);
          conn.setRequestProperty(SMSESSION.getName(),SMSESSION.getValue());
          OutputStream out = conn.getOutputStream();
BufferedReader in = new BufferedReader(new FileReader(file));
          while((s = in.readLine())!= null)
               xml_line = xml_line+s;
          writer.println("The XML file is ..\n");
          writer.println(xml_line);
          writer.println("\n\n\n");
          out.write(xml_line.getBytes());
          InputStream ins = conn.getInputStream();
when i execute the servlet, i get a tomcat error 401 on the last line above.
So the new URLConnection that is being opened, is not carying the credentials with it, or the siteminder is unable to read the credentails from the URLConnection. But i am positive that it can read the credentials from the cookie from the HttpResponse object.
Do you have any more ideas, please?
thanks

Reading an XML file and write the contents to another xml file in java

Hi,
I am new to xml parsing.My requirement is that I am getting a message (xml) using ibm MQ in the ByteArrayInputStream format.I have to read this xml message and write to another file.
I am creating a POC for this.
First I used simple reading and writing concept but the output is "java.io.FileInputStream@3e25a5 "
Sample xml file
- <Client>
<ClientId>1234</ClientId>
<ClientName>STechnology</ClientName>
<DTU_ID>567</DTU_ID>
<ClientStatus>ACTIVE</ClientStatus>
- <LEAccount>
<ClientLE>678989</ClientLE>
<LEId>56743</LEId>
- <Account>
<AccountNumber>9876543678</AccountNumber>
</Account>
</LEAccount>
- <Service>
<Cindicator>Y2Y</Cindicator>
<PrefCode>980</PrefCode>
<BSCode>876</BSCode>
<MandatoryContent>MSP</MandatoryContent>
</Service>
</Client>
code:
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class ByteArrayInputStreamToXml {
     public static void main(String srg[]) throws IOException{
          InputStream inputStream= new FileInputStream("C:\\soft\\test2\\sample1.xml");
          byte currentXMLBytes[] = inputStream.toString().getBytes();
          ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(currentXMLBytes);
          OutputStream out = new FileOutputStream("C:\\soft\\test\\data.xml");
          int read=0;
          byte[] bytes = new byte[1024];
          while((read = byteArrayInputStream.read(bytes))!= -1){
          out.write(bytes, 0, read);
          out.write( '\n' );
          inputStream.close();
          out.flush();
          out.close();
          System.out.println("New file created!");
Please suggest me how can I use DOM/SAX parser ,I can see several code on net for reading xml file using SAX/DOM parser but writing an xml file after reading it using ByteArrayInputStream I am not getting .A help through some example Link will also be helpful for me.
Thanks
Sumit
Edited by: user8687839 on Apr 30, 2012 2:37 AM
Edited by: user8687839 on Apr 30, 2012 2:43 AM

Thanks I got the result.
package com.sumit.collections;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class ByteArrayInputStreamToXml {
     public static void main(String srg[]) throws IOException{
          InputStream inputStream= new FileInputStream("C:\\soft\\test2\\sample1.xml");
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          int nRead; byte[] data = new byte[1024];
          while ((nRead = inputStream.read(data, 0, data.length)) != -1) {
          buffer.write(data, 0, nRead); } buffer.flush();
          byte currentXMLBytes[]= buffer.toByteArray();
          /* byte currentXMLBytes[] = inputStream.toString().getBytes();*/
          ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(currentXMLBytes);
          OutputStream out = new FileOutputStream("C:\\soft\\test\\data.xml");
          int read=0;
          byte[] bytes = new byte[1024];
          while((read = byteArrayInputStream.read(bytes))!= -1){
          out.write(bytes, 0, read);
          out.write( '\n' );
          inputStream.close();
          out.flush();
          out.close();
          System.out.println("New file created!");
}

Periodic autosave of XML file

Hi guys,
I'm having quite simple task, but no idea how to achieve it. A have a While loop, inside it I have som form to fill in and the output of this form is saved into xml file (using older MSXML library) and OK button for running parser and writting data into right place in XML file. All I need to do is to save XML file after the Stop button is hit, or after e.g. five minutes of application run. Just simple autosave feature.
For better ilustration, please see picture, or example.vi file.
I am running LV 2012
Thank you for your answers.
Attachments:
Example.vi ‏9 KB

You could put these functions in an event structure within the loop. Have a shift register on the loop, passing the value through the various states of the event stucture. Have the "save" button trigger an event to save your data, and at the same time (bad pun) put the current millisecond timer value onto the shift register. In the time out case of the event structure (with a time out value of, say, 100mS wired to it to cause the timeout case to trigger regularly), compare the value of the shift register with the current millisecond count and when enough time (x) has passed have it: 1) put the new time count on the shift register, 2) save the file. This should ensure that the file is saved every x within a 100mS window of time error.
Putnam
Certified LabVIEW Developer
Senior Test Engineer
Currently using LV 6.1-LabVIEW 2012, RT8.5
LabVIEW Champion

Merging XML Files After Debatching - 10.1.3.4

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