3D string array to file

How can I write a 3D string array to file?

sascha:
You could do this a lot of different ways.
The first and most obvious thing that comes to my mind is that you can
think about a 3D array as an array of 2D arrays. (For that matter a
2D array is an array of 1D arrays.)
Thus you could use a for loop to index your 3D array down to 2D and
then perform multiple writes to write each 2D array "element" of this
array of 2D arrays to disk. You would probably want to write some
sort of header which defines how many dimensions there are in the
array so that whatever reads it back later will have an easier time
reading it back. (Otherwise you'd have to implement EOF handling for
the read back portion.)
To read it back you just use the same logic but build a 3D array using
a 2D read inside a for loop.
Dou
glas De Clue
LabVIEW developer (looking for a job...
[email protected]
[email protected] (SaschaS) wrote in message news:...
> How can I write a 3D string array to file?

Similar Messages

How do I write the contents of a string array to file? Is there a package

freely avaliable to do this? I am writing a console program that will save the selections made to file. I have convenience packages that came with my book, it allows int and double arrays to be written to file, but not string arrays. Any help would be greatly appreciated.
Thanks,
Joe Lavender

One easy way to do this is to populate a Properties object with the index as the key and the element as the value.
The properties has built in methods for writing it to file and reading it in.

Exporting a String Array to an HTML file

Hey everyone..I'm currently making lots of progress in my project...but right now I've been trying to make a button that exports my search results to an html file...basically what I've made is a search engine to search webcrawler files...
The result list I get (which is actually a string array), I want to export to html so I can open that html file and find all the links that were found in the search I made..What I have so far is this, but it's not working yet, any help? :
    private class exportListener implements ActionListener
        public void actionPerformed(ActionEvent e)
            String[] result = parent.getResult();
            if(result == null)
                return;
            JFileChooser chooser = new JFileChooser();
            chooser.setAcceptAllFileFilterUsed(false);
            chooser.setFileFilter(new HtmlFileFilter());
            chooser.setDialogType(JFileChooser.SAVE_DIALOG);
            int returnVal = chooser.showSaveDialog(parent);
            if(returnVal == JFileChooser.CANCEL_OPTION)
                return;
            File fl = chooser.getSelectedFile();
            String path = fl.getPath() + ".html";
            searchIF.exportResultAsHtml(path);
            System.out.println(path);
    private class HtmlFileFilter extends FileFilter
        public String getDescription(){return "Html";}
        public boolean accept(File pathname)
            String name = pathname.getPath();
            //Just checking to see if the filename ends with html.
            if (name.toLowerCase().substring(name.lastIndexOf('.') + 1).equals("html"))
                return true;
            return false;
        }

Actually..nevermind, sorry.

Text file convert to string array

I tried to convert text file to string array. But it is not successful.
text file :
SD, 1,2,3,4
GD, 3,4,5,6
I use spreadsheet string to Array function but ALL characters is become to zero.
my result:
0,1,2,3,4
0,3,4,5,6
Solved!
Go to Solution.
Attachments:
convert.vi ‏18 KB

Hi,
indeed the solution of GerdW is the way to do it, except for the fact that the while loop isn't needed in this case
Have fun using LabVIEW
Kind regards,
- Bjorn -
Have fun using LabVIEW... and if you like my answer, please pay me back in Kudo's
LabVIEW 5.1 - LabVIEW 2012
Attachments:
Speadsheet_to_array.JPG ‏27 KB

Having trouble converting array to spreadsheet string, storing the file and coverting back to array with complex numbers

I am working with a network analyzer. I have arrays made of 5 columns the first consisting of an integer and the next four consisting of complex numbers. I am converting the array into a spreadsheet string and then saving the file using the write characters to a file VI. That seems to work well as when I open the file in Excel all the data is there. However when I try to reverse the process, open file and convert back to array, I loose some of the data. Specifically the imaginary parts of my complex numbers are all going to zero. I have narrowed down the problem to be in the conversion from spreadsheet string to array and vice versa. I
think the problem may be with the 'format' input to the VI. I do not have an adequate resource for this so I am not sure what to put in to accomplish my task. Any takers?

Hi Biz
I don't think there is a direct way of converting a complex number to a
string, so when you convert the array to a spreadsheet string, the
numbers would be converted to real data.
However, you could try separating the real and imaginary parts using the
"Numeric: Complex to Re/Im" function, and then store these - either in
separate files or in adjacent columns/rows in the same file. Then, when
you read in the data again, use the "Numeric: Re/Im to Complex" function
to put the two "halves" together.
If you actually want Excel to interpret the numbers as imaginary, then
you'll probably want to create a string for each complex number of the
form "Re + Im*i" (after separating the Re and Im parts), by using
"String:Format into String" with 2 numeric inputs and the format string
"%f+%fi".
Reading the data back into Labview then would require splitting the
string into the 2 pieces by using "Stringcan from String" with 2
numeric outputs (smae precision as original numbers specified by the 2
Default Value inputs) and the same format string "%f+%fi", and then using
the above-mentioned "Numeric: Re/Im to Complex" function. It worked for
me, so if you can't follow what I am describing, send me an email and I
can email you what I did (LV 5.1.1).
Paul
Biz wrote:
> Having trouble converting array to spreadsheet string, storing the
> file and coverting back to array with complex numbers
>
> I am working with a network analyzer. I have arrays made of 5 columns
> the first consisting of an integer and the next four consisting of
> complex numbers. I am converting the array into a spreadsheet string
> and then saving the file using the write characters to a file VI. That
> seems to work well as when I open the file in Excel all the data is
> there. However when I try to reverse the process, open file and
> convert back to array, I loose some of the data. Specifically the
> imaginary parts of my complex numbers are all going to zero. I have
> narrowed down the problem to be in the conversion from spreadsheet
> string to array and vice versa. I think the problem may be with the
> 'format' input to the VI. I do not have an adequate resource for this
> so I am not sure what to put in to accomplish my task. Any takers?
Research Assistant
School of Physiotherapy, Curtin University of Technology
Selby Street, Shenton Park, Western Australia, Australia. 6008
email: [email protected]
Tel. +61 8 9266 4657 Fax. +61 8 9266 3699
"Everyone who calls on the name of the Lord will be saved." Romans 10:12
"For all have sinned and fall short of the glory of God, and are
justified freely by his grace through the redemption that came by Christ
Jesus." Romans 3:23-4

How to add elements into java string array?

I open a file and want to put the contents in a string array. I tried as below.
String[] names;
s = new Scanner(new BufferedReader(new FileReader("outfile.txt")));
while (s.hasNext()) {
                String item = s.next();
                item.trim();
                email = item;
                names = email;
            }But I know that this is a wrong way of adding elements into my string array names []. How do I do it? Thanks.

Actually you cannot increase the size of a String array. But you can create a temp array with the lengt = lengthofarray+1 and use arraycopy method to copy all elements to new array, then you can assign the value of string at the end of the temp array
I would use this one:
String [] sArray = null;
s = new Scanner(new BufferedReader(new FileReader("outfile.txt")));
while (s.hasNext()) {
    String item = s.next();
    item.trim();
    email = item;
    sArray = addToStringArray(sArray, email);
* Method for increasing the size of a String Array with the given string.
* Given string will be added at the end of the String array.
* @param sArray String array to be increased. If null, an array will be returned with one element: String s
* @param s String to be added to the end of the array. If null, sArray will be returned.(No change)
* @return sArray increased with String s
public String[] addToStringArray (String[] sArray, String s){
     if (sArray == null){
          if (s!= null){
               String[] temp = {s};
               return temp;
          }else{
               return null;
     }else{
          if (s!= null){
               String[] temp = new String[sArray.length+1];
               System.arraycopy(sArray,0,temp,0,sArray.length);
               temp[temp.length-1] = s;
               return temp;
          }else{
               return sArray;
}Edited by: mimdalli on May 4, 2009 8:22 AM
Edited by: mimdalli on May 4, 2009 8:26 AM
Edited by: mimdalli on May 4, 2009 8:27 AM

Writing data from array to file

May i know how to write string from a array into a file.
I have use string tokenizer to extract every line from a file using readline and use stringtokenizer to spilt the line using tab delimiter for processing.
But if i want to write data from array to file with tab as a delimiter and how to go to the next line. How do i do that. Below is the task and i have state a simple example on a array i have and the file output that i want.
Pls advice.. Thanks
eg of a array
array[0] = Data
array[1] = One
array[2] = Data
array[3] = Two
array[4] = Final
array[5] = Data
From the above array, i want to write to a file so that it will appear something as below
Eg textfile.txt
Data One
Data Two
Final Data
PLs attached a simple code as a example as i am only begining to start useing the IO feature in java. Thanks

Really thanks for your help,
but u are mentioning that i have already know the number of countters in advance , that is to say the 2 * counters.
But is there a way to solve this problem which i mean if i dun know the number of predefined counters. Maybe i should say, there is more than 2 counters and in another situation, the counters will only be defined during runtime. Actually the solution u give will work nicely with 2 counters. but wat if the counter is more than 4, i wll have to concatenate the string a lot of time. so is there any solution around this problem. That why i am wandering if tere is any solution to write to the file when the counters can be only determined in runtime
Pls advice on the above with a code samples if possible.

How to convert xml String to xml file?

Hi,
I got a method that do the following:
public static String convertXmlToString(String xmlFileName) throws Exception
        File file = new File(xmlFileName);
        FileInputStream insr = new FileInputStream(file);
        byte[] fileBuffer = new byte[(int)file.length()];
        insr.read(fileBuffer);
        insr.close();
        return new String(fileBuffer);
     }The return String is the contents of an existing xml file and one example is shown below:
<object type="server.WOXReference" id="0"><field name="actualPathObj"><object type="java.lang.String" id="1">C:\restClient\actualXMLObjects\812856084.xml</object></field><field name="object"><object type="server.WOXConstructor" id="2"><field name="className"><object type="java.lang.String" id="3">rec.SimpleRecognizer</object></field><field name="types"><array type="java.lang.String" length="3" id="4"><object type="java.lang.String" id="5">double[].class</object><object type="java.lang.String" id="6">double.class</object><object idref="6" /></array></field><field name="args"><array type="java.lang.Object" length="3" id="7"><array type="double" length="5" id="8">22.33 33.22 33.33 22.0 11.0</array><object type="java.lang.Double" id="9">2.2</object><object type="java.lang.Double" id="10">3.3</object></array></field><field name="retType"><object type="java.lang.String" id="11">act</object></field></object></field></object>
and I want to change the above string to xml file like below:
<object type="server.WOXReference" id="0"><field name="actualPathObj"><object type="java.lang.String" id="1">C:\restClient\actualXMLObjects\812856084.xml</object></field><field name="object"><object type="server.WOXConstructor" id="2"><field name="className"><object type="java.lang.String" id="3">rec.SimpleRecognizer</object></field><field name="types"><array type="java.lang.String" length="3" id="4"><object type="java.lang.String" id="5">double[].class</object><object type="java.lang.String" id="6">double.class</object><object idref="6" /></array></field><field name="args"><array type="java.lang.Object" length="3" id="7"><array type="double" length="5" id="8">22.33 33.22 33.33 22.0 11.0</array><object type="java.lang.Double" id="9">2.2</object><object type="java.lang.Double" id="10">3.3</object></array></field><field name="retType"><object type="java.lang.String" id="11">act</object></field></object></field></object>How to I change the above xml String back to xml file again? The appropriate tags must be taken care of like > must be > and < must be <.
Please advice and can give me some sample code.
Thanks.

By writing some code that runs through the file and adds a new line for a new element using these methods here...
http://java.sun.com/j2se/1.4.2/docs/api/org/xml/sax/ContentHandler.html
i.e.
startDocument()
startElement(String namespaceURI, String localName, String qName, Attributes atts)
endDocument()

Write Spreadsheet to String Array on another worksheet

hi,
is it possible to write spreadsheet to string array but to an added worksheet?
I am currently writing results to the worksheet, but i want to create another worksheet so that i can put the raw data in.
is it possible?
if so, how?
Best regards,
Krispiekream
Solved!
Go to Solution.

Sorry,
i guess i attached the wrong picture.
i currently have this.
I read from a spreadsheet.
and analysis certain row and column, then do calculation and write the results to a new spreadsheet.
it is working fine.
but as an option. i wanted to "read all the data from the spreadsheet as the previous image" and then write those data to the same new spreadsheet file but in a different worksheet.
Best regards,
Krispiekream

Newbie trying to sort 2D string array

Dear all,
After read some book chapters, web sites including this, I still don't get the point.
If I have a file like,
1 aaa 213 0.9
3 cbb 514 0.1
2 abc 219 1.3
9 bbc 417 10.4
8 dee 887 2.1
9 bba 111 7.1
and I load into memory as a String[][]
here comes the problem, I sort by column 1 (aaa,...,bba) using an adaptation of the Quicksort algorithm for 2D arrays
* Sort for a 2D String array
* @param a an String 2D array
* @param column column to be sort
public static void sort(String[][] a, int column) throws Exception {
QuickSort(a, 0, a.length - 1, column);
/** Sort elements using QuickSort algorithm
static void QuickSort(String[][] a, int lo0, int hi0, int column) throws Exception {
int lo = lo0;
int hi = hi0;
int mid;
String mitad;
if ( hi0 > lo0) {
/* Arbitrarily establishing partition element as the midpoint of
* the array.
mid = ( lo0 + hi0 ) / 2 ;
mitad = a[mid][column];
// loop through the array until indices cross
while( lo <= hi ) {
/* find the first element that is greater than or equal to
* the partition element starting from the left Index.
while( ( lo < hi0 ) && ( a[lo][column].compareTo(mitad)<0))
++lo;
/* find an element that is smaller than or equal to
* the partition element starting from the right Index.
while( ( hi > lo0 ) && ( a[hi][column].compareTo(mitad)>0))
--hi;
// if the indexes have not crossed, swap
if( lo <= hi )
swap(a, lo, hi);
++lo;
--hi;
/* If the right index has not reached the left side of array
* must now sort the left partition.
if( lo0 < hi )
QuickSort( a, lo0, hi, column );
/* If the left index has not reached the right side of array
* must now sort the right partition.
if( lo < hi0 )
QuickSort( a, lo, hi0, column );
* swap 2D String column
private static void swap(String[][] array, int k1, int k2){
String[] temp = array[k1];
array[k1] = array[k2];
array[k2] = temp;
----- end of the code --------
if I call this from the main module like this
import MyUtil.*;
public class kaka
public static void main(String[] args) throws Exception
String[][]a = MyUtil.fileToArray("array.txt");
MyMatrix.printf(a);
System.out.println("");
MyMatrix.sort(a,1);
MyMatrix.printf(a);
System.out.println("");
MyMatrix.sort(a,3);
MyMatrix.printf(a);
for the first sorting I get
1 aaa 213 0.9
2 abc 219 1.3
9 bba 111 7.1
9 bbc 417 10.4
3 cbb 514 0.1
8 dee 887 2.1
(lexicographic)
but for the second one (column 3) I get
3 cbb 514 0.1
1 aaa 213 0.9
2 abc 219 1.3
9 bbc 417 10.4
8 dee 887 2.1
9 bba 111 7.1
this is not the order I want to apply to this sorting, I would like to create my own one. but or I can't or I don't know how to use a comparator on this case.
I don't know if I am rediscovering the wheel with my (Sort String[][], but I think that has be an easy way to sort arrays of arrays better than this one.
I've been trying to understand the Question of the week 106 (http://developer.java.sun.com/developer/qow/archive/106/) that sounds similar, and perfect for my case. But I don't know how to pass my arrays values to the class Fred().
Any help will be deeply appreciated
Thanks for your help and your attention
Pedro

public class StringArrayComparator implements Comparator {
int sortColumn = 0;
public int setSortColumn(c) { sortColumn = c; }
public int compareTo(Object o1, Object o2) {
    if (o1 == null && o2 == null)
      return 0;
    if (o1 == null)
      return -1;
    if (o2 == null)
      return 1;
    String[] s1 = (String[])o1;
    String[] s2 = (String[])o2;
    // I assume the elements at position sortColumn is
    // not null nor out of bounds.
    return s1[sortColumn].compareTo(s2[sortColumn]);
// Then you can use this to sort the 2D array:
Comparator comparator = new StringArrayComparator();
comparator.setSortColumn(0); // sort by first column
String[][] array = ...
Arrays.sort(array, comparator);I haven't tested the code, so there might be some compiler errors, or an error in the logic.

Return String array in server side

i wrote a bean which contains a function return String array (
String[] ). It shows no error on compile time, and also in
generate jar file. However, when i generate it to an ear file,
the syntax of the wsdl file is not correct so the client can't
call this function becuase the xml can't parse the wsdl.
When i change the return type to String, everything is ok. Does
anybody know what's happen? I really have no idea on it, thx.

This is why I wanted to see some code. I wanted to see how you are trying to move the array from one class to another.
This should work... provided that the array is initialised correctly in ClassA. If you are doing it like this, please post some code and I'll help you fix it.
class ClassA{
public String[] getMyArray(){
return myArray;
class ClassB{
public void myMethod(){
ClassA myA = new ClassA();
String[] newArray = myA.getMyArray();
}

Help! Inserting a 1-D comment array into a 2-D string array at specified row AND column

Hello everyone,
I am writing a 2-D string array to excel and i need a way to add comments to my file like this:
SLAM NAME G Level Comments
1 RALF 26
1 RALF 26
1 RALF 26
1 RALF 26
For some reason, i cannot specify a row AND column to write because:
When i use replace array subset it only replaces 1 element at my index.
When i use replace array subset with a loop, it creates empty spaces until it reaches the end of the array it is replacing.
When i use Insert into array: i cannot wire 2 inputs for row and column.
In my complete VI i will need to write from row 1-1001, a different comment from 2-2002, a different comment from 3-3003, etc until a stop condition is met so i need to figure out how to do this programatically and not have it replace any elements outside of the range or it will override previous commetns.
I am at a loss of what to do. Any and all suggestions are greatly appreciated.
Thanks!
Solved!
Go to Solution.
Attachments:
array.vi ‏13 KB

Hi proph,
I made a small subtile change to yur VI and now it replaces all values of the 4th column…
THINK DATAFLOW!
Use shift registers when you need to propagate values from one loop iteration to the next!
USE/LEARN DEBUGGING TECHNIQUES!
There are tools like probes and highlight to understand your VI execution and to find problems…
Go through all those free online courses offered by NI!
Best regards,
GerdW
CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
Kudos are welcome
Attachments:
array.vit ‏12 KB

External java function that should return String array

Hi everyone,
I have a split function in plsql that takes 10 times longer a java tokenizer function that i was written. So, i want to use java external function to split my plsql strings into pieces.
I can write a java external procedure that returns types like int, float and String types. I have no problem about it.
My problem is returning an array of strings. I found a book that has an example about how can we get directory list in plsql with java external procedure.
(code)
import java.io.File;
import java.sql.*;
import oracle.sql.*;
import oracle.jdbc.*;
public class JFile {
public static oracle.sql.ARRAY dirlist (String dir)
throws java.sql.SQLException
Connection conn = new OracleDriver().defaultConnection( );
ArrayDescriptor arraydesc =
ArrayDescriptor.createDescriptor ("DIRLIST_T", conn);
File myDir = new File (dir);
String[] filesList = myDir.list( );
ARRAY dirArray = new ARRAY(arraydesc, conn, filesList);
return dirArray;
CREATE OR REPLACE FUNCTION dirlist (dir IN VARCHAR2)
RETURN dirlist_t
AS
LANGUAGE JAVA
NAME 'myFile.dirlist(java.lang.String) return oracle.sql.ARRARY';
(code)
I could compile this source file in localhost but not remotehost. There are jar files ( import oracle.sql.*; import oracle.jdbc.*; ) that should be added to remote classpath. ( others have already added java classpath ). But, which classpath i should add? Oracle has own JVM and Classpath, probably i should upload these jar files to oracle classpath. Am i wrong? How can i do? Can you explain in detail? How can i return string array from java external function in Oracle ?
I am using Oracle 11.1.0.7 on Solaris Sparc Machine.

Hi,
What do you mean "compile in remote host"
Aren't you using the loadjava tool? - that should be enough, the RDBMS already "has" the jars needed.
[A must read|http://download.oracle.com/docs/cd/B28359_01/java.111/b31225/chone.htm#BABCFIIF]
Regards
Peter

Error returning large String arrays from web service

Hi,
I currently have an EJB that returns a String[] array that I have implemented as
a Web Service. When I execute a Java client (JSP) from Weblogic, I don't have a problem
as long as the returned array is relatively small, but when the array starts to get
a little larger (say 20 elements, about 30 chars each), I consistently get:
SAXException: java.lang.IllegalArgumentException:array element type mismatch.
Strangely enough, when my web service client is a .asp page running under MS IIS
(using the MS SOAP Toolkit), it works fine. I have returned as many as 15000 - 20000
array elements in one call. And since I am calling the same Weblogic EJB with the
MS client, I know it's a problem with the Java client, not the EJB.
Anybody know of a bug or had this experience before? Or know what I might be doing
wrong? FYI, I am using Weblogic 6.1 SP2.
Thanks,
Steve

Hi Steve,
Sure we're interested...I'll pass this along to the XML folks.
Thanks for the feedback,
Bruce
Steve Alexander wrote:
In case anyone is interested, I solved my problem. I was mis-diagnosing the problem
- thinking it was a size issue when it actually was a data issue. On the calls where
I was returning a large array, some of the array members were null. When I made them
enpty strings "", it worked. Apparently the default SAX parser BEA uses doesn't like
the nulls, whereas the MS parser doesn't care.
"Steve Alexander" <[email protected]> wrote:
Thanks Bruce,
FYI - I have reproduced the problem on WL7.0. I have turned it in to support
as you
suggested.
Steve
Bruce Stephens <[email protected]> wrote:
Hi Steve,
This does not ring any bells, however I would suggest that you file a support
case. If it
is an option you might try a later release (7.0).
Bruce
Steve Alexander wrote:
Hi,
I currently have an EJB that returns a String[] array that I have implementedas
a Web Service. When I execute a Java client (JSP) from Weblogic, I don'thave a problem
as long as the returned array is relatively small, but when the arraystarts to get
a little larger (say 20 elements, about 30 chars each), I consistentlyget:
SAXException: java.lang.IllegalArgumentException:array element type mismatch.
Strangely enough, when my web service client is a .asp page running underMS IIS
(using the MS SOAP Toolkit), it works fine. I have returned as many as15000 - 20000
array elements in one call. And since I am calling the same Weblogic
EJB
with the
MS client, I know it's a problem with the Java client, not the EJB.
Anybody know of a bug or had this experience before? Or know what I mightbe doing
wrong? FYI, I am using Weblogic 6.1 SP2.
Thanks,
Steve

DateTime String array in Graph

Greetings.
I tried to plot DateTime string array VS Numbers array with no success in the XY Graph object.
I even converted the DateTime string array to DateTime type using the VI called "Convert_String_to_TimeStamp.vi" with also no success as the X (Time) is just very big numbers and a datetime format.
Please check the attached shot, it will describe the situation clearly.
Thanks in advance
Ayman
Ayman Mohammad Metwally
Automation Engineer
Egypt - Cairo
Solved!
Go to Solution.
Attachments:
Graph.JPG ‏93 KB

You could read the file line by line and use the scan from sting function to convert to a timestamp.
Now is the right time to use %^<%Y-%m-%dT%H:%M:%S%3uZ>T
If you don't hate time zones, you're not a real programmer.
"You are what you don't automate"
Inplaceness is synonymous with insidiousness

3D string array to file

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