How To read lib*.so files and verbose its content

Hi
Is there any command with which we can read shared library files and see whats its contents are i.e. whats are the functions available inside it and how its control flow.
Regards
Jeet

I know of none that shows flow control but you can do a man against nm(1) to see what is in the library (nm libc.so.1).

Similar Messages

Can a servlet read a jsp file and display its contents?

Hi,
I would like to know if Servlets can read a Jsp file and display its contents.. Right now for our website, I am using a html file to be displayed after a successful post operation through the Servlets...
-Thanks!

I posted this in another thread.
Here's some code that reads using a URL. This doesn't work with JSPs as the server executes JSP when it connects but it's useful for other file types. Note that the filename is a URI</h1>This is <code>show.jsp</code></h1>
<hr>
<%! String file = null; %>
<%! java.io.InputStream is = null; %>
<%
file = request.getParameterValues("filename")[0];
try {
is = (new java.net.URL(file)).openStream();
} catch (java.io.IOException ioe) { out.write(file + " not found!<br>"); }
java.io.BufferedReader in = new java.io.BufferedReader(new java.io.InputStreamReader(is));
String line = "";
%>
<pre>
<%
while((line = in.readLine()) != null) {
%>
<%=line%>
<%
%>
</pre>

How to create a file and store its contents into another file?

Hi,
I'm having some trouble trying to create a code where I have to to create a file and store its contents into another file?
I read the API, but I'm not certain how this file thing works.
Here's my code so far:
public static void main(String[] args) throws Exception
          File file = new File("tasks.txt");
          if (file.exists())
               System.out.println("File already exists");
               System.exit(0);
          Scanner scan = new Scanner(System.in);
          Scanner scan2 = new Scanner(System.in);
          //Scans the input line by line
          scan.useDelimiter("\\n");
          //Scans the input by tabs
          scan2.useDelimiter("\\t");
          PrintWriter outputs = new PrintWriter("newtasks.txt");
          outputs.print("ok");
          outputs.println(3);
          outputs.close();
     }

I managed to change my text into uppercase, but how do I store the uppercase content into another file.
-So this is what I did so far, I took a text file and modified its strings to uppercase.
-Now I need to put those modified strings into another text file, is there a way where I can do that with my current code?
-I already tried printwriter, but it doesn't seem to work
public static void main(String[] args)throws IOException
          //Task[] oneHundredTasks = new Task[100];
          String uppercase;
          String combine;
          Scanner scan = null;
          FileInputStream in = null;
        FileOutputStream out = null;
        PrintWriter output = null;
        try
             scan = new Scanner(new BufferedReader(new FileReader("tasks.txt")));
             scan.useDelimiter("\\n");
             scan.useDelimiter("\\t");
            while (scan.hasNext())
                 if(!scan.hasNext())
                      scan.next();
                 combine = scan.next();
                 uppercase = combine.toUpperCase();
                 System.out.println(uppercase);
        finally
            if (scan != null)
                scan.close();
        //The program will try the input and output files
        try
             in = new FileInputStream("tasks.txt");
            out = new FileOutputStream("newtasks.txt");
            int c;
            //The number "-1" is used to indicate that it has reached the end of the stream.
            while ((c = in.read()) != -1)
                out.write(c);
        finally
            if (in != null)
                in.close();
            if (out != null)
                out.close();
     }

Read a excel file and split its sheets to seperate file ?

Dear all :
How to split a excel file into several file, each have one sheet.my code is as below,thanks:
import org.apache.poi.hssf.usermodel.*;
import java.io.*;
import java.util.*;
import org.apache.poi.poifs.filesystem.*;
public class Extractxls {
public static void main(String[] args) throws Exception
try {
POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(args[0]));
HSSFWorkbook wb = new HSSFWorkbook(fs);
int sheetCount = wb.getNumberOfSheets();
System.out.println(sheetCount);
try {
     while(sheetCount > 0) {
     sheetCount--;
     HSSFWorkbook wb1 = new HSSFWorkbook();
     HSSFSheet s = wb1.createSheet();
     String sheetName = wb.getSheetName(sheetCount);
     HSSFSheet sheet = wb.getSheet(sheetName);
//     HSSFSheet sheet = wb.getSheetAt(sheetCount);
     System.out.println(sheet.toString());
     s = sheet;
FileOutputStream fileOut = new FileOutputStream("atest" + sheetCount + ".xls");
wb.write(fileOut);
fileOut.close();
} catch (Exception e) {
     System.err.println("Error: " + e.getMessage());
} catch (Exception e) { e.toString();}

The HSSFWorkbook class is part of the POI project:
http://jakarta.apache.org/poi/
Regards,
Dave Gilbert
JFreeChart Project Leader
I understand poi porject, my problem is that POI can not read a excel file and split its sheets into seperate file (each have one sheet) ?Does any one know how to do it.

How to browse a file and extract its contents

i want to browse a file and extract its contents.My code is given below but its not working .Can anybody help me please
JFileChooser fc = new JFileChooser();
          int returnVal = fc.showOpenDialog(jfrm);
          if (returnVal == JFileChooser.APPROVE_OPTION)
          File file = fc.getSelectedFile();
          //This is where a real application would open the file.
          fileName=file.getName();
          //This is a file function to extract data from a file.
          //It reads data from a file that can be viewed on cmd
          jlab3.setText(fileName);
          try
// Open the file that is the first
// command line parameter
FileInputStream fstream = new FileInputStream(fileName);
// Convert our input stream to a
// DataInputStream
          DataInputStream in =new DataInputStream(fstream);
// Continue to read lines while
// there are still some left to read
// while (in.available() !=0)
// Print file line to screen
          fileName1=in.readLine();
          jlab3.setText(fileName1);
          in.close();
catch (Exception e)
          System.err.println("File input error");
          }

JFileChooser fc = new JFileChooser();
int returnVal = fc.showOpenDialog(jfrm);
if (returnVal == JFileChooser.APPROVE_OPTION)
File file = fc.getSelectedFile();
//This is where a real application would open the file.
fileName=file.getName();
//This is a file function to extract data from a file.
//It reads data from a file that can be viewed on cmd
jlab3.setText(fileName);
try
// Open the file that is the first
// command line parameter
FileInputStream fstream = new FileInputStream(fileName);
// Convert our input stream to a
// DataInputStream
DataInputStream in =new DataInputStream(fstream);
// Continue to read lines while
// there are still some left to read
// while (in.available() !=0)
// Print file line to screenHere you are reading the first line of the file
fileName1=in.readLine();
//}and here you are displaying the line in a (I suppose) JLabel. A JLabel is not very suitable for displaying a file content, except is the file contain few characters !!!
jlab3.setText(fileName1);
in.close();
catch (Exception e)
System.err.println("File input error");
}If you want to read the complete file content you must uncomment lines inside while instruction, like this
while (in.available() > 0) { // I prefer to test in.available like this, instead of !=
// append text to a StringBuffer (variable named sb here) or directly in a textarea.
sb.append(in.readLine());
...

How to read an ascii file and record data in a 2d array

HI everyone,
I have an experimental data file in ascii format. It contains 10 data sets.
I'm trying to read the ascii file and record data in a 2d array for further analysis,
but I still could not figure it out how to do it.
Please help me to get this done.
Here I have attaced the ascii file.
-Sam
Attachments:
data.asc ‏123 KB
2015-01-27_18-01-31_fourier_A2-F-abs.zip ‏728 KB

Got it!
Thank you very much !
-Pamsath

How to read from excel file and write it using implicit jsp out object

our code is as below:Please give us proper solution.
we are reading from Excel file and writing in dynamicaly generated Excel file.it is writing but not as original excel sheet.we are using response.setContentType and response.setHeader for generating pop up for saveing the original file in to dynamically generated Excel file.
<%@ page contentType="application/vnd.ms-excel" %>
<%
     //String dLoadFile = (String)request.getParameter("jspname1");
     String dLoadFile = "c:/purge_trns_nav.xls" ;
     File f = new File(dLoadFile);
     //set the content type(can be excel/word/powerpoint etc..)
     response.setContentType ("application/msexcel");
     //get the file name
     String name = f.getName().substring(f.getName().lastIndexOf("/") + 1,f.getName().length());
     //set the header and also the Name by which user will be prompted to save
     response.setHeader ("Content-Disposition", "attachment;     filename="+name);
     //OPen an input stream to the file and post the file contents thru the
     //servlet output stream to the client m/c
          FileInputStream in = new FileInputStream(f);
          //ServletOutputStream outs = response.getOutputStream();
          int bit = 10;
          int i = 0;
          try {
                    while (bit >= 0) {
                    bit = in.read();
                    out.write(bit) ;
} catch (IOException ioe) { ioe.printStackTrace(System.out); }
          out.flush();
out.close();
in.close();
%>

If you want to copy files as fast as possible, without processing them (as the DOS "copy" or the Unix "cp" command), you can try the java.nio.channels package.
import java.nio.*;
import java.nio.channels.*;
import java.io.*;
import java.util.*;
import java.text.*;
class Kopy {
     * @param args [0] = source filename
     *        args [1] = destination filename
    public static void main(String[] args) throws Exception {
        if (args.length != 2) {
            System.err.println ("Syntax: java -cp . Kopy source destination");
            System.exit(1);
        File in = new File(args[0]);
        long fileLength = in.length();
        long t = System.currentTimeMillis();
        FileInputStream fis = new FileInputStream (in);
        FileOutputStream fos = new FileOutputStream (args[1]);
        FileChannel fci = fis.getChannel();
        FileChannel fco = fos.getChannel();
        fco.transferFrom(fci, 0, fileLength);
        fis.close();
        fos.close();
        t = System.currentTimeMillis() - t;
        NumberFormat nf = new DecimalFormat("#,##0.00");
        System.out.print (nf.format(fileLength/1024.0) + "kB copied");
        if (t > 0) {
            System.out.println (" in " + t + "ms: " + nf.format(fileLength / 1.024 / t) + " kB/s");
}

Read from .txt file and output the content as two arrays

I am using the contoured move to control the x-y stage. The trajectory datas for x and y axis are generated using my interpolation program and it is stored in a .txt file as two columns. What I want to do is read .txt file and output the content of this file as two arrays. Is there anyone has any ideas? Thanks, the .txt file is attached.
Attachments:
R.75.txt ‏172 KB

Hi Awen,
This is quite easy to do, you can merely use the "read from spreadsheet file" function to get a 2D array (2 columns and n rows) and then use the index array function to get whatever row/colums you want..
Hope the attached VI helps you
When my feet touch the ground each morning the devil thinks "bloody hell... He's up again!"
Attachments:
read sprdsheet file.vi ‏27 KB

Upload 2 files and compare its contents

Hi guys,
I want to upload 2 files in SAP and compare its contents.
How am i going to do that?
Please provide sample code... Thanks a lot!
rgds,
Mark

Hi Mark,
I expected to use this code, once u can try this code.
OPEN DATASET lv_filename FOR OUTPUT IN TEXT MODE ENCODING DEFAULT.
IF sy-subrc = 0.
    LOOP AT gi_output1 INTO gwa_output1.
      CLEAR lv_string.
      CONCATENATE gwa_output1-matnr
                  gwa_output1-maktx
                  gwa_output1-werks
                  gwa_output1-bmeng
                  gwa_output1-posnr
                  gwa_output1-idnrk
                  gwa_output1-ojtxp
                  gwa_output1-mngko
                  gwa_output1-mmein
                  gwa_output1-flag
                  INTO lv_string
                  SEPARATED BY cl_abap_char_utilities=>horizontal_tab.
      TRANSFER lv_string TO lv_filename.
      IF sy-subrc <> 0.
        MESSAGE e006(zpdm).
      ENDIF.              "if sy-subrc <> 0.
    ENDLOOP.
     OPEN DATASET lv_filename FOR appending IN TEXT MODE ENCODING DEFAULT.
IF gi_output2[] is not initial.
    LOOP AT gi_output2 INTO gwa_output2.
      CLEAR lv_string.
      CONCATENATE gwa_output2-matnr
                  gwa_output2-ojtxb
                  gwa_output2-werks
                  gwa_output2-bmeng
                  gwa_output2-posnr
                  gwa_output2-idnrk
                  gwa_output2-ojtxp
                  gwa_output2-mngko
                  gwa_output2-mmein
                  gwa_output2-flag
            INTO lv_string
       SEPARATED BY cl_abap_char_utilities=>horizontal_tab.
      TRANSFER lv_string TO lv_filename.
      IF sy-subrc <> 0.
        MESSAGE e007(zpdm). " WITH text-006.
      ENDIF.           "if sy-subrc <> 0.
    ENDLOOP.
ENDIF.

How to read the data file and write into the same file without a temp table

Hi,
I have a requirement as below:
We are running lockbox process for several business, but for a few businesses we have requirement where in we receive a flat file in different format other than how the transmission format is defined.
This is a 10.7 to 11.10 migration. In 10.7 the users are using a custom table into which they are first loading the raw data and writing a pl/sql validation on that and loading it into a new flat file and then running the lockbox process.
But in 11.10 we want to restrict using temp table how can we achieve this.
Can we read the file first and then do validations accordingly and then write to the same file and process the lockbox.
Any inputs are highly appreciated.
Thanks & Regards,
Lakshmi Kalyan Vara Prasad.

Hello Gurus,
Let me tell you about my requirement clearly with an example.
Problem:
i am receiving a dat file from bank in below format
105A371273020563007 07030415509174REF3178503 001367423860020015E129045
in this detail 1 record starting from 38th character to next 15 characters is merchant reference number
REF3178503 --- REF denotes it as Sales Order
ACC denotes it as Customer No
INV denotes it as Transaction Number
based on this 15 characters......my validation comes.
If i see REF i need to pick that complete record and then fill that record with the SO details as per my system and then submit the file for lockbox processing.
In 10.7 they created a temporary table into which they are loading the data using a control file....once the data is loaded into the temporary table then they are doing a validation and updating the record exactly as required and then creating one another file and then submitting the file for lockbox processing.
Where as in 11.10 they want to bypass these temporary tables and writing it into a different file.
Can this be handled by writing a pl/sql procedure ??
My findings:
May be i am wrong.......but i think .......if we first get the data into ar_payments_interface_all table and then do the validations and then complete the lockbox process may help.
Any suggestions from Oracle GURUS is highly appreciated.
Thanks & Regards,
Lakshmi Kalyan Vara Prasad.

How to Read the "text file and csv file" through powershell Scripts

Hi All
i need to add a multiple users in a particular Group through powershell Script how to read the text and CSV files in powershell
am completly new to Powershell scripts any one pls respond ASAP.with step by step process pls
Regards:
Rajeshreddy.k

Hi Rajeshreddy.k,
To add multiple users to one group, I wouldn't use a .csv file since the only value you need from a list is the users to be added.
To start create a list of users that should be added to the group, import this list in a variable called $users, the group distinguishedName in a variable called $Group and simply call the ActiveDirectory cmdlet Add-GroupMember.
$Users = Get-Content -Path 'C:\ListOfUsernames.txt'
$Group = 'CN=MyGroup,OU=MyOrg,DC=domain,DC=lcl'
Add-ADGroupMember -Identity $Group -Members $Users

How to read a text file and write text file

Hello,
I have a text file A look like this:
0 0
0 A B C
1 B C D
2 D G G
10
1 A R T
2 T Y U
3 G H J
4 T H K
20
1 G H J
2 G H J
I want to always get rid of last letter and select only the first and last line and save it to another text file B. The output should like this
0 A B
2 D G
1 A R
4 T H
1 G H
2 G H
I know how to read and write a text file, but how can I select the text when I am reading a text file. Can anyone give me an example?
Thank you

If the text file A look like that
0 0
0 3479563,41166 6756595,64723 78,31 1,#QNAN
1 3479515,89803 6756588,20824 77,81 1,#QNAN
2 3479502,91618 6756582,6984 77,94 1,#QNAN
3 3479516,16334 6756507,11687 84,94 1,#QNAN
4 3479519,14188 6756498,54413 85,67 1,#QNAN
5 3479525,61721 6756493,89255 86,02 1,#QNAN
6 3479649,5546 6756453,21824 89,57 1,#QNAN
1 0
0 3478762,36013 6755006,54907 54,8 1,#QNAN
1 3478756,19538 6755078,16787 53,63 1,#QNAN
2 0
3 0
N 0
I want to read the line that before and after 1 0, 2 0, ...N 0 line to arraylist. I have programed the following code
public ArrayList<String>save2;
public BufferedWriter bufwriter;
File writefile;
String filepath, filecontent, read;
String readStr = "" ;
String[]temp = null;
public String readfile(String path) {
int i = 0;
ArrayList<String> save = new ArrayList <String>();
try {
filepath = "D:\\thesis\\Material\\data\\CriticalNetwork\\test3.txt";
File file = new File(filepath);
FileReader fileread = new FileReader(file);
BufferedReader bufread = new BufferedReader(fileread);
this.read = null;
// read text file and save each line content to arraylist
while ((read = bufread.readLine()) != null ) {
save.add(read);
// split each arraylist[i] element by space and save it to String[]
for(i=0; i< save.size();i++){
this.temp = save.get(i).split(" ") ;
// if String[] contain N 0 such as 0 0, 1 0, 2 0 then save its previous and next line from save arraylist to save2 arraylist
if (temp.equals(i+"0")){
this.save2.add(save.get(i));
System.out.println(save2.get(i));
} catch (Exception d) {
System.out.println(d.getMessage());
return readStr;
My code has something wrong. It always printout null. Can anyone help me?
Best Regards,
Zhang

How to read from one file and write into another file?

Hi,
I am trying to read a File and write into another file.This is the code that i am using.But what happens is last line is only getting written..How to resolve this.the code is as follows,
public String get() {
     FileReader fr;
     try {
          fr = new FileReader(f);
          String str;
          BufferedReader br = new BufferedReader(fr);
          try {
               while((str= br.readLine())!=null){
               generate=str;
          } catch (IOException e1) {
               e1.printStackTrace();
          } }catch (FileNotFoundException e) {
               e.printStackTrace();
     return generate;
where generate is a string declared globally.
how to go about it?
Thanks for your reply in advance

If you want to copy files as fast as possible, without processing them (as the DOS "copy" or the Unix "cp" command), you can try the java.nio.channels package.
import java.nio.*;
import java.nio.channels.*;
import java.io.*;
import java.util.*;
import java.text.*;
class Kopy {
     * @param args [0] = source filename
     *        args [1] = destination filename
    public static void main(String[] args) throws Exception {
        if (args.length != 2) {
            System.err.println ("Syntax: java -cp . Kopy source destination");
            System.exit(1);
        File in = new File(args[0]);
        long fileLength = in.length();
        long t = System.currentTimeMillis();
        FileInputStream fis = new FileInputStream (in);
        FileOutputStream fos = new FileOutputStream (args[1]);
        FileChannel fci = fis.getChannel();
        FileChannel fco = fos.getChannel();
        fco.transferFrom(fci, 0, fileLength);
        fis.close();
        fos.close();
        t = System.currentTimeMillis() - t;
        NumberFormat nf = new DecimalFormat("#,##0.00");
        System.out.print (nf.format(fileLength/1024.0) + "kB copied");
        if (t > 0) {
            System.out.println (" in " + t + "ms: " + nf.format(fileLength / 1.024 / t) + " kB/s");
}

How to read in a file and change the column attributes

Hi,
I'm new to java and i'm stuggling to find a way to read in a text file and perform calculations on the data, such as to normalise it.
What in want to do is normalise the data by finding the greatest value in a column and then divide all the other values in the column with that value.
I know how to read a file in and store each line in a vector but for this problem i think i need to store each column in an array, but i'm not sure how to do this.
Can anyone help please?
Thanks

Hi,
I'm new to java and i'm stuggling to find a way to
read in a text file and perform calculations on the
data, such as to normalise it.
What in want to do is normalise the data by finding
the greatest value in a column and then divide all
the other values in the column with that value.
I know how to read a file in and store each line in a
vector but for this problem i think i need to store
each column in an array, but i'm not sure how to do
this.
Can anyone help please?
ThanksI think this should work but I wrote it out without completely thinking about it (hopefully to get things started).
So if you had this:
age height earnings
0 2 100
1 3 50
2 1 0
For the age column you'd take 2 as the largest and then divide 0 and 1 by two to get 0, .5.
First build up test files that seperate the columns in different ways. With spaces, tabs, and the ASCI Control character for null ( I think it's 0 ). Your program should detect
numbers and spaces, tabs control character, commas and periods (for money). Because numbers don't have spaces it should be easy to keep track of which column
you're in.
Store each line into a 3D String array with each index containing a String built up from the chars scanned in on each line, when a blank area is found followed by another
number iterate the column index. When you come to the end of the line set column == 0 and row+1.
private String[][][] test = new String[2][6][1];
20     3      11      14      44       0
4      5       7      80      91      49
test[0][0][0] would be row 1 col 1 value 1 ((20))
test[0][1][0] would be r1, c2, v1 ((3))
test[1][0][0] would be r2, c1, v1 ((4))
test[1][2][0] would be r2, c3, v1 ((7))
test[1][5][0] would be r2, c6, v1 ((49))
package source.Final;
import javax.swing.*;
import java.io.*;
public class S7
     public static void main(String[] args)
          getContents();
          System.exit(0);
     public static void getContents()
          String lineSep = System.getProperty("line.separator");
          char c = ' ';
          int iterator = 0;
          int i = 0;
          int charNum = 1;
          int lineCount = 1;
         //declared here only to make visible to finally clause
         BufferedReader input = null;
         BufferedWriter out = null;
         try {
                     String line = null;
                      * This implementation reads / writes one line at a time
                      * using the buffered reader / writer Java classes.
                     input = new BufferedReader( new FileReader( "C:\\Scan file test\\Read\\test1.txt" ));
                       out = new BufferedWriter( new FileWriter( "C:\\Scan file test\\Read\\test2.txt" ));
                     //input = new BufferedReader( new FileReader( "C:\\Scan file test\\Read\\booked_policies1.txt" ));
                       //out = new BufferedWriter( new FileWriter( "C:\\Scan file test\\Write\\booked_policies1.txt" ));
                     //input = new BufferedReader( new FileReader( "C:\\Scan file test\\Read\\booked_policies2.txt" ));
                       //out = new BufferedWriter( new FileWriter( "C:\\Scan file test\\Write\\booked_policies2.txt" ));
                     //input = new BufferedReader( new FileReader( "C:\\Scan file test\\Read\\booked_policies3.txt" ));
                       //out = new BufferedWriter( new FileWriter( "C:\\Scan file test\\Write\\booked_policies3.txt" ));
                     out.write( "Character\tLine Number\tCharacter Number\tAscii Value" + lineSep );
                          while (( line = input.readLine()) != null)
                          i = 0;
                          charNum = 1;
                          iterator = 0;
                          while( i < line.length() )
                                           c = line.charAt(iterator);
                                        if( (int)c == 0 || (int)c == 9 )
                                             break;
                                        else if( c >= '[' && c <= '_')
                                             {out.write( "["+c+"]\t\t"+"["+lineCount+"]\t\t"+"["+charNum+"]\t\t\t"+"["+(int)(c)+"]"+lineSep );}
                                        else if( c < ' ' )// && (int)c != 0 && (int)c != 9 )
                                             {out.write( "["+c+"]\t\t"+"["+lineCount+"]\t\t"+"["+charNum+"]\t\t\t"+"["+(int)(c)+"]"+lineSep );}
                                        else if( c > ';' && c <= '@' && c != '=')
                                             {out.write( "["+c+"]\t\t"+"["+lineCount+"]\t\t"+"["+charNum+"]\t\t\t"+"["+(int)(c)+"]"+lineSep );}
                                        else if( c >= '!' && c < '"' )
                                             {out.write( "["+c+"]\t\t"+"["+lineCount+"]\t\t"+"["+charNum+"]\t\t\t"+"["+(int)(c)+"]"+lineSep );}
                                        else if( c > 'z' && c < '~' )
                                             {out.write( "["+c+"]\t\t"+"["+lineCount+"]\t\t"+"["+charNum+"]\t\t\t"+"["+(int)(c)+"]"+lineSep );}
                                        else if( c == '%' )
                                             {out.write( "["+c+"]\t\t"+"["+lineCount+"]\t\t"+"["+charNum+"]\t\t\t"+"["+(int)(c)+"]"+lineSep );}
                                        else if( c > '~' )
                                             {out.write( "["+c+"]\t\t"+"["+lineCount+"]\t\t"+"["+charNum+"]\t\t\t"+"["+(int)(c)+"]"+lineSep );}
                                        charNum += 1;
                                           iterator += 1;
                                           i++;
                                lineCount += 1;
         catch (FileNotFoundException ex) {ex.printStackTrace();     System.out.println("File not found.");}
             catch (IOException ex){ex.printStackTrace();               System.out.println("IO Error.");}
         finally{ try{ if( input != null ) input.close();                if( out != null ) out.close();}
                catch (IOException ex){ex.printStackTrace();        System.out.println("IO Error #2.");}
    }

How to read an html file and replace a text using text_io

hi,
i want ro read an html file using text_io and replace a particular text with a new text
eg: i want to replace a text called "data.js" and with "maps.js"
how do i do this?

You have to write your own code to do that. TEXT_IO is just a low level text file interface.
You need to read in all the text, save it in some internal format (array of varchar2's maybe or in the DB) and then perform a search on the text you have read in, find out where the instances of "data.js" are located and substitute them with "maps.js" After that you need to write to a new file and delete the old one. There is no way to search and replace inside the existing file (what's sometimes referred to as 'in-place' substitution).
See the help section called About the TEXT_IO package for an overview of how it works and some code examples.

How To read lib*.so files and verbose its content

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