Can I read words from a file in java????

Hi,
I need help regarding files.
I have a file with some text in it(say file 1). I need to replace some particular words in the text(file 1) with the words synonyms which are in another file(file 2).
I need to write the text after replacing it with its synonyms into a new file. Can anyone suggest a way that i could do it.
Thanks,
Grandhirs.

Hi u can use a string tokenizer for this. See the follwing code for example
try{
BufferedReader in = new BufferedReader (new FileReader ("file1.txt"));
while(in.ready()) {
     String line = in.readLine();
     StringTokenizer st = new StringTokenizer(line);
     while(st.hasMoreTokens()){
          String s = st.nextToken();
     } // End of loop for while(st.hasMoreTokens()
     in.close(); // End of Loop while(in.ready())
        } // end of try
     catch (Exception e)
     System.err.println(e); // Print the exception to warn.

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If you search in THIS forum with e.g. read lines from file, you will find answers like this one:
Hi ! This is the answer for your query. This program prints as the output itself reading line by line.......
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public static void main(String a[])
if you search in THIS forum, with e.g. read lines from text file
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Read words from text file by delimiter as columns and rows

Hi All,
I need your help as i have a problem with reading string by delimiter. i have used various tech in java, but i can not get the result as expected.
Please help me to get the string from text file and write into excel . i have used a text file.
problem
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OI.ID||'|'||OI.IDSIEBEL||'|'||OI.IDTGU||'|'||OI.WORKTYPE||'|'||OI.UTR_FK
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Edited by: user13836688 on Jan 22, 2011 8:13 PM

First of all, when posting code, put it between two tags.
Second of all, the pipe is a special character in regex, so you need to escape it as
.split("\ \|");
Erh. So 2 backslashes before the pipe character. Stupid forum won't post it.
Edited by: Kayaman on Jan 24, 2011 9:35 AM
Edited by: Kayaman on Jan 24, 2011 9:35 AM
Edited by: Kayaman on Jan 24, 2011 9:36 AM

Problem with reading text from .DOC files through java and POI

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Below the above messages/warnings the data is getting printed. Only the text part of the data is retrieved not the fonts, styles and bullets etc.
Can anyone explain me why I am getting above warnings and how can I remove them. Is it possible to fetch the text depending on delimiters.
Thanks in advance,
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Edited by: tiijnar on May 21, 2009 2:45 AM

The jar files which were used are downloaded from http://jarfinder.com. Those jars created the problem of displaying those messages on console. I downloaded APIs from apache.org and used them in my application. Now my application is running good.
Tiijnar

Read & write from external files in java

Hello everybody,
I need your help in two problems. I have to write a method that read specific numbers from a file, save them in an array, do some calculation on that array and write it again in a new file.
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#VRML V1.0 ascii
Material {
diffuseColor [ 1 1 1 ]
ShapeHints {
vertexOrdering COUNTERCLOCKWISE
shapeType UNKNOWN_SHAPE_TYPE
Coordinate3 {
point [
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0,2,3,-1,
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1,5,2,-1,
3,2,5,-1,
3,5,6,-1,
0,3,6,-1,
0,6,7,-1,
6,5,7,-1,
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0,7,4,-1,
0,4,1,-1,
I need to read the point coordinates only and save them in a two dimension array, then I'll do some transformation on that array and write it in a new file that contains the previous data but the point coordinates are the transformed coordinates. I tried the following:
FileReader in = new FileReader("C:\\hexahedron.txt");
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But when I tried it, I found out that it saves 0s in the array!
As I mentioned before, my problem is that I don't know how to read specific information from a file. I know how to write new information a file, but how to write a file that I already have with changed specific information.
I'll be grateful if you show me how to solve those problems.
And I hope that I explained my problems in an understandable and clear way.
Regards,

if ( s.nextToken() == "[" ){should beif (s.nextToken().equals("["){Also, you have two nextToken for each has hasMoreTokens, which is going to cause an exception.
You are never hitting the parseInt code because of your equals/== error. Therefore, everything is zeros.
The order of reading lines and checking for "[" isn't right. You should find the [ (maybe including the "point" word), then get numbers from the following lines (read line, tokenize, read line, tokenize, ...) until you hit the end of the points.

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          han
          "hansen" <[email protected]> wrote:
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          >>Hi, Everyone:
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          >>The WAR really drives me crazy.
          >>
          >>everytime when i reach the jsp files in war, it throws exception:
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          >><I> <WebAppServletContext-skylos> Generated java file:
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          >>
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          >>
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          >>
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          >>
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          >>
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          >>
          >>my WAR is under /weblogic/myserver/ (i can load html from my war)
          >>
          >>thanks
          >>
          >>han
          >

How can I read content from PDF file stored in Oracle 9i XMLDB

Hi Friends:
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You may be able to do something with Oracle Text. The following shows how to get an HTML rendiditon of a binary document. I think you can also get plain text instead of HTML
set echo on
spool xfilesUtilties.log
connect sys/&1 as sysdba
grant ctxapp to &2
connect &2/&3
begin
ctxsys.ctx_ddl.create_policy(policy_name=>'XFILES_HTML_GENERATION', filter=>'ctxsys.auto_filter');
end;
create or replace package xfiles_internal_11010
authid definer
as
function renderAsHTML(sourceDoc BLOB) return CLOB;
end;
show errors
create or replace package body xfiles_internal_11010
as
function renderAsHTML(sourceDoc BLOB)
return CLOB
as
html_content CLOB;
begin
dbms_lob.createTemporary(html_content,true,DBMS_LOB.SESSION);
ctx_doc.policy_filter(policy_name => 'XFILES_HTML_GENERATION',
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return html_content;
end;
end;
show errors
create or replace package xfiles_utilities_11010
authid current_user
as
HOME_FOLDER   constant varchar2(700) := xdb_constants.HOME_FOLDER;
PUBLIC_FOLDER constant varchar2(700) := xdb_constants.PUBLIC_FOLDER;
function renderAsHTML(sourceFile VARCHAR2) return CLOB;
function transformToHTML(xmldoc XMLType, xslPath VARCHAR2) return CLOB;
end;
show errors
create or replace package body xfiles_utilities_11010
as
function renderAsHTML(sourceFile VARCHAR2)
return CLOB
as
begin
return xfiles_internal_11010.renderAsHTML(xdburitype(sourceFile).getBLOB());
end;
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return CLOB
as
html clob;
begin
select xmldoc.transform(xdburitype(xslPath).getXML()).getClobVal()
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return html;
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end;
show errors
grant execute on xfiles_utilities_11010 to public
create or replace public synonym xfiles_utilities for xfiles_utilities_11010
quitMessage was edited by:
mdrake

How can i read comments from properties file in the right order??

Hello
I want to build a console that read a properties file and print to the screen the property name, property value and property description and the developer can change the name or the value or the description of the property and update the property file.
But the problem in using the properties class that it doesn�t read the comment and not save the properties in their order so I can�t couple description and name of the property.
Does any one know any utility that do the job or know how to solve the reading the comments problem???
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sorry but i dont understand how the solution of using
a dot ( property_key.description ) helping me to
solve the problem?
please try to explain it agin.
thank youYou wrote:
"I want to build a console that read a properties file and print to the screen the property name, property value and property description and the developer can change the name or the value or the description of the property and update the property file."
So i'm as developer imagine that somebody edit properties in GUI or console. So you have 3 text fields: property name, property value, and propety description. Then developer save edit changes, then text fields maped to properties file and:
text field "property name" and text field "property value" construct property:
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Read words from a text file into an undefined array

Dear all,
Does anyone know how to read words in text file, seperated by all types of spaces ("_", "\n", "\t","\r","\f") and put them into a string array to be used later?
So far I can read the words using the Tokenizer but can't assign to array:
public class reader
StringTokenizer tokenizer = new StringTokenizer(input);
String[ ] array= null; //unknown size of array
int i=0;
               while(tokenizer.hasMoreTokens())
                         array[i] = tokenizer.nextToken();
                         i++;
Any suggestions welcome!
thanks in advance!

Hi
sorry wrote in a hurry ;) din c the problem clearly
there are two approaches
1) best approach for your problem is Vector or ArrayList, these would make life easy for you.
Always collections are better approach over arrays when the size is dynamic. However in your case the size cant be said to be DYNAMIC. coz the number of words will not grow / shrink during the runtime.. i know that number of words are not fixed but dynamic is something which will grow/shrink during runtime. but still collection is better approach.
2)dirty approach
use double dimensional array
String arr[][] = null;
then use one tokenizer for StringTokenizer(str,"\n");
using countTokens on this will give you number of lines.
use this to initialize array
arr = new String[lineCount][];
then iterate from 1 to lineCount and use 1 more tokenizer to get number of words for that line. use this number to initialize the column size for arr[i] like
arr[i] = new String[wordCount];
then store the token using nested for loops in this array
go for the 1st one ;) 2nd one is hedious n time consuming but both will work ;)
cheers
amey

Can't read or write some files, internet is failing, youtube won't load, software I tried to install was in Slovenian, not dutch or english like in my systempreferences settings, pictures and files won't preview with spacebar, etc. Malware?

Specs:
iMac 10.8.5
3,4 GHz Intel Core i7
32 GB 1600 MHz DDR3
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Also tried to download some security software to check my Mac for malware, but when I did, I tried several, I got a notification that said something like 'dumpfiles (don't know if this is the right translation...) damaged'.
I'm taking screenshots from all the weird notifications I get and even three quarters off the screenshots I took in the last three hours are already unreadable.
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It sounds like you may have multiple problems, but none of them are likely to be caused by malware.
First, the internet-related issues may be related to adware or a network compromise. I tend to lean more towards the latter, based on your description of the problem. See:
http://www.adwaremedic.com/kb/baddns.php
http://www.adwaremedic.com/kb/hackedrouter.php
If investigation shows that this is not a network-specific issue, then it's probably adware. See my Adware Removal Guide for help finding and removing it. Note that you mention AdBlock as if it should have prevented this, but it's important to understand that ad blockers do not protect you against adware in any way. Neither would any kind of anti-virus software, which often doesn't detect adware.
As for the other issues, it sounds like you've got some serious corruption. I would be inclined to say it sounds like a failing drive, except it sounds like you just got it replaced. How did you get all your files back after the new drive was installed?
(Fair disclosure: I may receive compensation from links to my sites, TheSafeMac.com and AdwareMedic.com, in the form of buttons allowing for donations. Donations are not required to use my site or software.)

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http://jakarta.apache.org/poi/hssf/index.html
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Dear Gurus
I already posted this question but this time i need some other changes .....Sorry for that ..
I am using 10G forms and using TEXT_IO for reading data from flat file ..
My data is like this :-
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Procedure Pay_Simulator(lfile_type varchar2,lac_no varchar2,lcur varchar2,lno_item number,ltotal number,ldate date,lpay_purp varchar2,lfile_name varchar2)
IS
v_handle utl_file.file_type;
v_filebuffer varchar2(500);
line_0_date VARCHAR2 (10);
line_0_Purp VARCHAR2 (10);
line_0_count Number;
line_0_sum number(12,2);
line_0_ccy Varchar2(3);
line_9_sum Number(12,2);
line_9_Acc_no Varchar2(12);
Line_1_Sum Number(12,2);
Line_1_tot Number(15,2) := 0;
Line_1_flag Number := 0;
lval number;
lacno varchar2(16);
v_file varchar2(20);
v_path varchar2(50);
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FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_0, ROWNUM rn
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WHERE rn = 3;
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FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_0, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
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FROM DUAL
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CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 3;
SELECT line_9 INTO line_9_sum
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_9, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 2;
ELSIF SUBSTR (v_filebuffer, 0, 1) = '1' THEN
line_1_flag := line_1_flag+1;
SELECT line_1 INTO line_1_sum
FROM (SELECT LTRIM (REGEXP_SUBSTR (v_filebuffer, '[^|]+{1}', 1, LEVEL)) line_1, ROWNUM rn
FROM DUAL
CONNECT BY LEVEL <= LENGTH (REGEXP_REPLACE (v_filebuffer, '[^|]*')) + 1)
WHERE rn = 3;
Line_1_tot := Line_1_tot + line_1_sum;
END IF;
END LOOP;
DBMS_OUTPUT.put_line (Line_1_tot);
DBMS_OUTPUT.PUT_LINE (Line_1_flag);
UTL_FILE.fclose (v_handle);
END;
But now how can i do ? Shall i use like this select Statement for all the columns ?

Sorry for that ..
As per our requirement ...
I need to read the flat file and it looks like like this .
*0|BP-V1|20100928|01|1|2430962.89|9|2430962.89|MUR|20100928120106*
*9|2430962.89|000111111111|*
*1|61304.88|000014104113|*
*1|41961.73|000022096086|*
*1|38475.65|000023640081|*
*1|49749.34|000032133154|*
*1|35572.46|000033093377|*
*1|246671.01|000042148111|*
*1|120737.25|000053101979|*
*1|151898.79|000082139768|*
*1|84182.34|000082485593|*
I have to check the file :-
Validation are 1st line should start from 0 else it should raise an error and insert that error into one table .
The for 2nd line also same thing ..it should start from 9 else it should raise an error and insert that error into one table .
Then the 3rd line should start from 1 else it should raise an error and insert that error into one table .
After that i have to do a validation like i will read the 1st line 2nd column .. It should be like this BP-V1 else raise an error and insert that error to a table . Then i will check the 3rd column which is 20100928 , it should be YYYYMMDD format else same thing ERROR.
Then like this for all columns i have different validation .......
Then it will check for the 2nd line 3rd column . this is an account no .1st i will check it should be 12 char else ERROR .Then I will check that what user has imputed in the form.Like for example User putted 111111111 then i will check with this 000111111111 which is there in the 2nd line . I have to add 000 before that Account no which user imputed .
Then the lines which is starting from 1 , i have to take all the 2nd column for all the lines which is starting from 1 and i have to do a sum . After that i have to compare that sum with the value in the 1st lines ( Starting from 0) 6th column . It should be same else ERROR ...
Then same way i have to count all the lines which is starting from 1 . Then i have to compare with the 7th column of 1st line . It should be same . Here in this file it should be 9.
MY CODE IS :-
Procedure Pay_Simulator(lfile_type varchar2,lac_no varchar2,lcur varchar2,lno_item number,ltotal number,ldate date,lpay_purp varchar2,lfile_name varchar2)
IS
v_handle TEXT_IO.file_type;
v_filebuffer varchar2(500);
line_0_date VARCHAR2 (10);
line_0_Purp VARCHAR2 (10);
line_0_count Number;
line_0_sum number(12,2);
line_0_ccy Varchar2(3);
line_9_sum Number(12,2);
line_9_Acc_no Varchar2(12);
Line_1_Sum Number(12,2);
Line_1_tot Number(15,2) := 0;
Line_1_flag Number := 0;
lval number;
lacno varchar2(16);
v_file varchar2(20);
v_path varchar2(50);
LC$String VARCHAR2(50) ;--:= 'one|two|three|four|five|six|seven' ;
LC$Token VARCHAR2(100) ;
i PLS_INTEGER := 2 ;
lfirst_char number;
lvalue Varchar2(100) ;
Begin
v_file := mcb_simulator_pkg.GET_FILENAME(lfile_name); For the file name
v_path :=rtrim(regexp_substr( lfile_name , '.*\\' ),'\'); For the Path
--v_path := SUBSTR (lfile_name,0, INSTR (lfile_name, '\', -1));
Message(lfile_name);
v_handle := TEXT_IO.fopen(lfile_name, 'r');
          BEGIN
                    LOOP
                    TEXT_IO.get_line (v_handle, v_filebuffer);
                    lfirst_char := Substr(v_filebuffer,0,1);
                    --Message('First Char '||lfirst_char);
                              IF lfirst_char = '0' Then
                              Loop
                              LC$Token := mcb_simulator_pkg.Split( v_filebuffer, i , '|') ;
                              Message('VAL - '||LC$Token);
                              lvalue := LC$Token;
                              EXIT WHEN LC$Token IS NULL ;
i := i + 1 ;
End Loop;
                              Else
                                   Insert into MU_SIMULATOR_output_ERR (load_no,ERR_CODE,ERR_DESC) values (9999,'0002','First line should always start with 0');
                                   Forms_DDL('Commit');
                                   raise form_Trigger_failure;
                              End if ;
                    TEXT_IO.get_line (v_handle, v_filebuffer);
                    lfirst_char := Substr(v_filebuffer,0,1);
                    LC$Token := mcb_simulator_pkg.Split( v_filebuffer, i , '|') ;
                    --Message('Row '||LC$Token);
                         IF lfirst_char = '9' Then
                              Null;
                         Else
                              Insert into MU_SIMULATOR_output_ERR (load_no,ERR_CODE,ERR_DESC) values (8888,'0016','Second line should start with 9');
                              Forms_DDL('Commit');
                              raise form_Trigger_failure;
                         End IF;
                    LOOP
                    TEXT_IO.get_line (v_handle, v_filebuffer);
                    lfirst_char := Substr(v_filebuffer,0,1);
                    LC$Token := mcb_simulator_pkg.Split( v_filebuffer, i , '|') ;
                    --Message('Row '||LC$Token);
                              IF lfirst_char = '1' Then
                              Null;
                              Else
                                   Insert into MU_SIMULATOR_output_ERR (load_no,ERR_CODE,ERR_DESC) values (7777,'0022','The third line onward should start with 1');
                                   Forms_DDL('Commit');
                                   raise form_Trigger_failure;
                              End if;
                    END LOOP;
                    --END IF;
                    END LOOP;
          EXCEPTION
               When No_Data_Found Then
          TEXT_IO.fclose (v_handle);
          END;
Exception
     When Others Then
     Message('Other error');
END;
I am calling the FUNCTION which you gave SPLIT as mcb_simulator_pkg.Split.

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