How to read long line from text file

Hi,
I just faced problem when reading a big text file.
BufferedReader br = new BufferedReader(new FileReader("D:\\afile.txt"));
String str;
int i;
while ((str = br.readLine())!=null)
i++;
//do some work here...
...This code throws exception:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap spaceSo I thought file line is very long. When I opened it in FAR it only displays no more than 4096 characters as a line.
Help me to read a text file that's line is very long?

try,
$ java -X
-Xmixed mixed mode execution (default)
-Xint interpreted mode execution only
-Xbootclasspath:<directories and zip/jar files separated by ;>
set search path for bootstrap classes and resources
-Xbootclasspath/a:<directories and zip/jar files separated by ;>
append to end of bootstrap class path
-Xbootclasspath/p:<directories and zip/jar files separated by ;>
prepend in front of bootstrap class path
-Xnoclassgc disable class garbage collection
-Xincgc enable incremental garbage collection
-Xloggc:<file> log GC status to a file with time stamps
-Xbatch disable background compilation
-Xms<size> set initial Java heap size
-Xmx<size> set maximum Java heap size
-Xss<size> set java thread stack size
-Xprof output cpu profiling data
-Xrunhprof[:help]|[:<option>=<value>, ...]
perform JVMPI heap, cpu, or monitor profiling
-Xdebug enable remote debugging
-Xfuture enable strictest checks, anticipating future default
-Xrs reduce use of OS signals by Java/VM (see documentation)
-Xcheck:jni perform additional checks for JNI functions
The -X options are non-standard and subject to change without notice.

Similar Messages

How to read a line from a file which contains 45000 characters?

Hi all,
     Iam a receiving a .CSV file which contains n number of rows ,each row has a data seperated with delimiter.
These values based on delimiter it is seperated and certain validations are handled.
Iam using UTL_FILE.GET_LINE operator to read the value and store it in a variable which is declared as l_text VARCHAR2(30000).
when we receive a line which contains huge characters say 45000 then it throws an error(Unable to read the file).
Only on rare cases we used to receive these kind of files with huge size.
Kindly help to solve this issues.
Database details.
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
PL/SQL Release 11.2.0.2.0 - Production
CORE 11.2.0.2.0 Production
TNS for Linux: Version 11.2.0.2.0 - Production
NLSRTL Version 11.2.0.2.0 - Production
Hereby i have tried with long Raw data type but still same error unable to read the file.pls find the sample code below,
declare
l_text             LONG RAW;
l_importTypeFile   UTL_FILE.FILE_TYPE ;
begin
     PKG_COMMON.PROC_FOPEN(g_Directory, P_FILENAME,    'RB',l_importTypeFile,    p_error_cd, p_error_msg) ;
UTL_FILE.GET_RAW(l_ImportTypeFile,l_Text);
End;
Thanks in Advance
Siva

Hi Siva,
Are you trying to use data from this .csv file into your realtion tables. If yes and If you are using 11g Oracle database. I would suggest you create External Tables using the below query,
http://www.oracle.com/technetwork/issue-archive/2011/11-mar/o21nanda-312277.html
STEP1: You need a Directory where your SCHEMA has read/write access. Store the csv file in that directory.
STEP2: Create an EXTERNAL Table script. Please refer the above URL. Examples are for coma delimiter (,); replace it with your pipe (|) in the code
STEP: Once your external table is created you can simply create a relational table as below:
CREATE TABLE relation_table
AS
SELECT * FROM external_table;
Regards,
RaviR

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10x !

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.......
import java.io.*;
public class readfromfile
public static void main(String a[])
if you search in THIS forum, with e.g. read lines from text file
try{
BufferedReader br = new BufferedReader(new FileReader(new File("readfromfile.java")));
while(br.readLine() != null)
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How can I input read a line from a file and output it into the screen?

How can I input read a line from a file and output it into the screen?
If I have a file contains html code and I only want the URL, for example, www24.brinkster.com how can I read that into the buffer and write the output into the screen that using Java?
Any help will be appreciate!
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<center>

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Hi!
This is a possible solution to your problem.
import java.io.*;
class AddressExtractor {
 public static void main(String args[]) throws IOException{
 //retrieve the commandline parameters
 String fileName = "default.html";
 if (args.length != 0) fileName =args[0];
 else {
 System.out.println("Usage : java AddressExtractor <htmlfile>");
 System.exit(0);
 BufferedReader in = new BufferedReader(new FileReader(new File(fileName)));
 StreamTokenizer st = new StreamTokenizer(in);
 st.lowerCaseMode(true);
 st.wordChars('/','/'); //include '/' chars as part of token
 st.wordChars(':',':'); //include ':' chars as part of token
 st.quoteChar('\"'); //set the " quote char
 int i;
 while (st.ttype != StreamTokenizer.TT_EOF) {
 i = st.nextToken();
 if (st.ttype == StreamTokenizer.TT_WORD) {
 if (st.sval.equals("href")) {
 i = st.nextToken(); //the next token (assumed) is the '=' sign
 i = st.nextToken(); //then after it is the href value.
 getURL(st.sval); //retrieve address
 in.close();
 static void getURL(String s) {
 //Check string if it has http:// and truncate if it does
 if (s.indexOf("http://") > -1) {
 s = s.substring(s.indexOf("http://") + 7, s.length());
 //check if not mailto: do not print otherwise
 if (s.indexOf("mailto:") != -1) return;
 //printout anything after http:// and the next '/'
 //if no '/' then print all
 if (s.indexOf('/') > -1) {
 System.out.println(s.substring(0, s.indexOf('/')));
 } else System.out.println(s);
}Hope this helps. I used static methods instead of encapsulating everyting into a class.

How to read the data from Excel file and Store in XML file using java

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I got a problem with Excel file.
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How can i read every line from my text file ("eka.txt")
now it only reads the first line and prints it out.
What is wrong with this?
import java.io.*;
import java.util.*;
class Testi{
 public static void main(String []args)throws IOException {
 BufferedReader stdin=new BufferedReader(new InputStreamReader(System.in));
File inputFile = new File ("eka.txt");
FileReader fis =new FileReader(inputFile);
BufferedReader bis = new BufferedReader(fis);
String test=bis.readLine();
String tmp= "";
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int spacefound=0;
int l=test.indexOf(" ");
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 char c=test.charAt(i);
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 if(tmp.length()<l){
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Try this code, Hope it servers your purpose.
import java.io.*;
import java.util.*;
class Testi {
 public static void main(String []args)throws IOException {
 BufferedReader stdin=new BufferedReader(new InputStreamReader(System.in));
 File inputFile = new File ("Eka.txt");
 FileReader fis =new FileReader(inputFile);
 BufferedReader bis = new BufferedReader(fis);
 String test=bis.readLine();
 while(test != null) {
 StringTokenizer st = new StringTokenizer(test," ");
 while(st.hasMoreTokens())
 System.out.println(st.nextToken());
 test = bis.readLine();
}Sudha

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hi,
i m new to java and i want to read some lines from a text file based on some string occurrence in the file. This file to be read in steps.
we only want to read the file upto the first Occurrence of "TEXT" string.
How to do it ,,,
Kinldy give the code
Regards,
Sagar
this is the text file
dfgjdjj
sfjhjkd
ghjkdg
hjkdgh TEXT
ikeyt
ujt
jk
tyk TEXT
rukl
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Hendawy wrote:
Since the word "TEXT" is formed of 4 letters, you would read the text file 4 bytes by four bytes. Wrong on two counts. First, the file may not be encoded 1 byte per character. It could be utf-16 in which case it would be two byte per character. Second, even if it were 1 byte per character, the string "Text" may not start on a 4 byte boundary.
Consider a FileInputStream object "fis" that points to your text file. use fis.read(byte[] array, int offset, int len) to read every four bytes. Convert the "TEXT" String into a byte array "TEXT".getBytes(), and yous the Arrays class to compare the equality of the read bytes with your "TEXT".getBytes()Wrong since it relies on my second point and will fail when fis.read(byte[] array, int offset, int len) does not read 4 bytes (as is no guaranteed to). Check the Javadoc. Also, the file may not be encoded with the default character encoding.
The problem is easily solved by reading a line at a time using a BufferedReader wrapping an InputStreamReader wrapping a FileInputStream and specifying the correct character encoding.
Edited by: sabre150 on Apr 29, 2009 2:13 PM

How to handle multiple threads to read one line from a file each time?

Dear Sir or Madam,
I'm new to multiple threads java programming. What I want to do is as following:
1. I'm writing a program to read one line of text from a very large file, and then do some process on this one line of text, then read the next line of text from this file, then process on this line of text, ...... When reach the end of the file, close the file.
This is a single thread scenario.
2. To fullly untilized computer resource, I want to create multiple threads to process this large file.
One thing is very important is that each line of text in the large file has to be read sequentially. This means that the first line of text in the large file is read first, then the second line, then the third line ......
My question is that if I create multiple threads to process the same file, how can I make sure that different threads will read the line of text from the same file sequentially?
I don't have enough experience on java multiple threads programming, so it will be very appreaciated if you can help me on this as soon as you are available.
Thanks and regards,
Steven Wu

A better solutoin would be to have a single thread that reads each line an puts it into a queue, and then multiple threads reading from the queue to process these lines.
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If a 2D array is OK (instead of 4 separate arrays), try something like this
import java.io.*;
import java.util.ArrayList;
class FileReadColumns
public static void main(String args[]) throws IOException, FileNotFoundException
 String line;
 ArrayList lines = new ArrayList();
 BufferedReader in = new BufferedReader(new FileReader("data.txt"));
 while ((line = in.readLine()) != null) lines.add(line);
 String bits[];
 bits = lines.get(0).toString().split(" ");
 String grid[][] = new String[bits.length][];
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 bits = lines.get(i).toString().split(" ");
 for(int ii = 0; ii < bits.length; ii++) grid[ii] = bits[ii];
for(int i = 0; i < grid.length; i++)
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hey
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i declared
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is there any special way have to do.
ambichan.

hai anand,
I am posting the code snippet.
i have commented that transfer line in '----
' like this
pls refer below.
ambichan
DATA: PAGENO(4) TYPE N VALUE 1,
 DATAKBN(2) TYPE N VALUE 1,
 SUBNO(3) TYPE N VALUE 1,
 VPAGENO(4) TYPE C,
 VDATAKBN(2) TYPE C,
 VSUBNO(3) TYPE C,
 VREC(255) TYPE C,
 VRECORD(255) TYPE C,
 EMPTYREC(255) TYPE C VALUE SPACE,
 VCODE(10) TYPE C,
 VNAME2(35) TYPE C,
 VPAYDAT(10) TYPE C,
 VSGTXT(60) TYPE C VALUE SPACE,
 VSGTXT1(10) TYPE C,
 VKINGAKU(15) TYPE C VALUE SPACE,
 VBIKKO(30) TYPE C VALUE SPACE,
 VBELNR(10) TYPE C VALUE SPACE,
 VDMBTR(15) TYPE C,
 VGLT0-KSLVT(15) TYPE C,
 VGLT0-TSL01(15) TYPE C,
 VGLT0-TSL02(15) TYPE C,
 VGLT0-TSL03(15) TYPE C,
 VGLT0-TSL04(15) TYPE C,
 VGLT0-TSL05(15) TYPE C,
 VKIN(15) TYPE C,
 VTEGA(15) TYPE C.
FORM FRM_OUTPUT_DATA.
SORT ITAB_OUTPUT_SUMMARY BY LIFNR DTYPE.
SORT ITAB_OUTPUT_ITEMS BY LIFNR DTYPE BELNR.
IF P_DISP = 'X'."checkボクスを選ぶ場合、ファイル作成処理へ行く
OPEN DATASET E_FILE FOR OUTPUT IN TEXT MODE.
IF SY-SUBRC <> 0.
WRITE: 'error',SY-SUBRC.
EXIT.
ENDIF.
LOOP AT ITAB_LIFNR.
PERFORM LISTDATA.
PAGENO = PAGENO + 1.
SUBNO = 1.
ENDLOOP.
CLOSE DATASET E_FILE."ファイルクローズ
ENDFORM. " End of frm_output_data
FORM LISTDATA.
DATA:
 WK_PAY_AMOUNT LIKE BSEG-DMBTR, " 純支払額算出用
 VWK_PAY_AMOUNT(15) TYPE C,
 GLT0-TSL05_VAL LIKE GLT0-TSL05.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 1.
BSIK-DMBTR = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
GLT0-TSL01 = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 2. " 区分：2
GLT0-TSL02 = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 3. " 区分：3
GLT0-TSL03 = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 4. " 区分：4
GLT0-TSL04 = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 5. " 区分：5
GLT0-TSL05 = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
glt0-tsl05 = glt0-tsl05 + glt0-tsl04.
WK_PAY_AMOUNT = GLT0-TSL05 + GLT0-TSL04.
CHECK WK_SUBRC = 0.
BSEG-KOART = ' '. 情報不要
CLEAR: BSEG-SGTXT, BSEG-DMBTR, TGSBT-GTEXT, BKPF-BELNR.
BSEG-KOART = 'Y'. " フラグ：ヘッダに相殺額を出力
CLEAR: BSAK-DMBTR.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 6. " 区分：6
BSAK-DMBTR = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
WK_PAY_AMOUNT = WK_PAY_AMOUNT - BSAK-DMBTR.
WRITE : / PAGENO,
 SUBNO,
 DATAKBN,
 ITAB_LIFNR-LIFNR,
 ITAB_LIFNR-NAME2(25),
 P_PAY_T,
 GLT0-TSL01,
 GLT0-TSL02,
 GLT0-TSL03,
 GLT0-TSL04,
 GLT0-TSL05.
VPAGENO = PAGENO.
VSUBNO = SUBNO.
DATAKBN = 1.
VDATAKBN = DATAKBN.
VCODE = ITAB_LIFNR-LIFNR.
VNAME2 = ITAB_LIFNR-NAME2.
VPAYDAT = P_PAY_T.
VGLT0-TSL01 = GLT0-TSL01.
VGLT0-TSL02 = GLT0-TSL02.
VGLT0-TSL03 = GLT0-TSL03.
VGLT0-TSL04 = GLT0-TSL04.
VGLT0-TSL05 = GLT0-TSL05.
CONCATENATE VPAGENO VSUBNO VDATAKBN VCODE VNAME2 VPAYDAT VSGTXT VKINGAKU
VBIKKO VBELNR VGLT0-TSL01 VGLT0-TSL02 VGLT0-TSL03
VGLT0-TSL04 VGLT0-TSL05 INTO VREC SEPARATED BY ','.
CLEAR: BSAK-DMBTR, BSID-DMBTR, BSAD-DMBTR, BSEG-DMBTR, BSIK-DMBTR,
 WK_10 , WK_11 , GLT0-TSL05.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 7. " 区分：7
BSID-DMBTR = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
WK_PAY_AMOUNT = WK_PAY_AMOUNT - BSID-DMBTR.
郵送料の出力処理
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 8. " 区分：8
BSAD-DMBTR = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
WK_PAY_AMOUNT = WK_PAY_AMOUNT - BSAD-DMBTR.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 9. " 区分：9
BSEG-DMBTR = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
WK_PAY_AMOUNT = WK_PAY_AMOUNT - BSEG-DMBTR.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 10.
WK_10 = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
READ TABLE ITAB_OUTPUT_SUMMARY
 WITH KEY LIFNR = ITAB_LIFNR-LIFNR DTYPE = 11.
WK_11 = ITAB_OUTPUT_SUMMARY-DMBTR * WK_RATIO.
GLT0-TSL05 = WK_PAY_AMOUNT - WK_10 - WK_11.
WK_PAY_AMOUNT = WK_PAY_AMOUNT - GLT0-TSL05.
 VWK_PAY_AMOUNT = WK_PAY_AMOUNT.
 VKIN = WK_10.
 VTEGA = WK_11.
 CONCATENATE VREC VWK_PAY_AMOUNT VKIN VTEGA INTO
 VRECORD SEPARATED BY ','.
 TRANSFER VRECORD TO E_FILE.
 WRITE :
 VWK_PAY_AMOUNT,
 WK_10,
 WK_11.
 WRITE:/.
BSEG-KOART = 'X'. " フラグ：請求金額を出力
LOOP AT ITAB_OUTPUT_ITEMS WHERE LIFNR = ITAB_LIFNR-LIFNR
 AND DTYPE = 5. " 区分：5
 BSEG-SGTXT = ITAB_OUTPUT_ITEMS-SGTXT. " 明細テキスト
 GLT0-KSLVT = ITAB_OUTPUT_ITEMS-DMBTR * WK_RATIO. " 金額
 TGSBT-GTEXT = ITAB_OUTPUT_ITEMS-GTEXT. BKPF-BELNR = ITAB_OUTPUT_ITEMS-BELNR.
 SUBNO = SUBNO + 1.
 VSUBNO = SUBNO.
 DATAKBN = 2.
 VDATAKBN = DATAKBN.
 VGLT0-KSLVT = GLT0-KSLVT.
 VBIKKO = TGSBT-GTEXT.
 VBELNR = BKPF-BELNR.
 VSGTXT1 ='請求金額:'.
 CLEAR VRECORD.
CONCATENATE VSGTXT1 BSEG-SGTXT INTO VSGTXT.
CONCATENATE VPAGENO VSUBNO VDATAKBN VCODE VNAME2 VPAYDAT VSGTXT
VGLT0-KSLVT VBIKKO VBELNR INTO VRECORD SEPARATED BY ','.
TRANSFER VRECORD TO E_FILE.
 WRITE :/ VPAGENO,VSUBNO,VDATAKBN,'請求金額:', VSGTXT, VGLT0-KSLVT,
 VBIKKO,VBELNR.
ENDLOOP.
CLEAR: BSEG-SGTXT,GLT0-KSLVT,BKPF-BELNR.
LOOP AT ITAB_OUTPUT_ITEMS WHERE LIFNR = ITAB_LIFNR-LIFNR
 AND DTYPE = 6. " 区分：6
 BSEG-SGTXT = ITAB_OUTPUT_ITEMS-SGTXT. " 明細テキスト
 IF ITAB_OUTPUT_ITEMS-SHKZG = CNS_CREDIT. " 金額
 GLT0-KSLVT = ITAB_OUTPUT_ITEMS-DMBTR * WK_RATIO.
 ELSEIF ITAB_OUTPUT_ITEMS-SHKZG = CNS_DEBIT.
 GLT0-KSLVT = ITAB_OUTPUT_ITEMS-DMBTR * WK_RATIO * -1.
 ENDIF.
TGSBT-GTEXT = ITAB_OUTPUT_ITEMS-GTEXT. " 事業領域テキスト
BKPF-BELNR = ITAB_OUTPUT_ITEMS-BELNR. " 伝票番号
SUBNO = SUBNO + 1.
VSUBNO = SUBNO.
DATAKBN = 3.
VDATAKBN = DATAKBN.
VGLT0-KSLVT = GLT0-KSLVT.
VBIKKO = TGSBT-GTEXT.
VBELNR = BKPF-BELNR.
VSGTXT1 ='相殺金額:'.
CLEAR VRECORD.
CONCATENATE VSGTXT1 BSEG-SGTXT INTO VSGTXT.
CONCATENATE VPAGENO VSUBNO VDATAKBN VCODE VNAME2 VPAYDAT VSGTXT
VGLT0-KSLVT VBIKKO VBELNR INTO VRECORD SEPARATED BY ','.
TRANSFER VRECORD TO E_FILE.
concatenate vpageno vsubno vdatakbn
WRITE :/ PAGENO,SUBNO,DATAKBN,'相殺金額',BSEG-SGTXT, GLT0-KSLVT,
 TGSBT-GTEXT, BKPF-BELNR.
ENDLOOP.
 CLEAR VRECORD.
*Insert empty line.
TRANSFER EMPTYREC TO E_FILE.
DATAKBN = 3.
VDATAKBN = DATAKBN.
SUBNO = SUBNO + 1.
VSUBNO = SUBNO.
VSGTXT ='源泉金額'.
VDMBTR = BSID-DMBTR.
CONCATENATE VPAGENO VSUBNO VDATAKBN VCODE VNAME2 VPAYDAT VSGTXT
VDMBTR INTO VRECORD SEPARATED BY ','.
TRANSFER VRECORD TO E_FILE.
WRITE :/ PAGENO, SUBNO,DATAKBN, ITAB_LIFNR-LIFNR,ITAB_LIFNR-NAME2,
 P_PAY_T,'源泉金額', BSID-DMBTR.
CLEAR: VDMBTR, VSGTXT, VRECORD.
SUBNO = SUBNO + 1.
VSUBNO = SUBNO.
VSGTXT = '郵送料'.
VDMBTR = BSAD-DMBTR.
CONCATENATE VPAGENO VSUBNO VDATAKBN VCODE VNAME2 VPAYDAT VSGTXT
VDMBTR INTO VRECORD SEPARATED BY ','.
TRANSFER VRECORD TO E_FILE.
WRITE :/ PAGENO, SUBNO,DATAKBN,ITAB_LIFNR-LIFNR,ITAB_LIFNR-NAME2,
 P_PAY_T,'郵送料', BSAD-DMBTR.
CLEAR: VDMBTR, VSGTXT, VRECORD.
SUBNO = SUBNO + 1.
VSUBNO = SUBNO.
VSGTXT = '振込み手数料'.
VDMBTR = BSEG-DMBTR.
CONCATENATE VPAGENO VSUBNO VDATAKBN VCODE VNAME2 VPAYDAT VSGTXT
VDMBTR INTO VRECORD SEPARATED BY ','.
TRANSFER VRECORD TO E_FILE.
CLEAR: VDMBTR, VSGTXT, VRECORD.
WRITE :/ PAGENO,SUBNO,DATAKBN,ITAB_LIFNR-LIFNR,ITAB_LIFNR-NAME2,
 P_PAY_T,'振込み手数料',BSEG-DMBTR.
*その他の支払いの処理
SUBNO = SUBNO + 1.
VSUBNO = SUBNO.
VSGTXT = 'その他の支払い'.
VDMBTR = GLT0-TSL05.
CONCATENATE VPAGENO VSUBNO VDATAKBN VCODE VNAME2 VPAYDAT VSGTXT
VDMBTR INTO VRECORD SEPARATED BY ','.
TRANSFER VRECORD TO E_FILE.
WRITE :/ PAGENO,SUBNO,DATAKBN,ITAB_LIFNR-LIFNR,ITAB_LIFNR-NAME2,
 P_PAY_T, 'その他の支払い',GLT0-TSL05.
 glt0-tsl05.
ULINE.
CLEAR: VREC, VRECORD,VCODE,VNAME2,VPAYDAT,VSGTXT,VSGTXT1,VKINGAKU.
CLEAR: VBIKKO,VBELNR,VDMBTR,VGLT0-KSLVT,VGLT0-TSL01,VGLT0-TSL02.
CLEAR: VGLT0-TSL03,VGLT0-TSL04,VGLT0-TSL05,VKIN,VTEGA,VWK_PAY_AMOUNT.
ENDFORM.

Reading first word from text file

Hello all,
I created a program which I can type in a line and store it into a file. What I need my next program to do is read and display just the first word from each line on the text file.
Here is what I have:
import java.io.*;
public class ReadFromFile
public static void main (String args[])
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what i would like is my program to get the first word of every line and put it in my array.
This is what i have attempted.
import java.io.*;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.BufferedReader;
public class testing {
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public static void main(String[] args)
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Hi can someone help me to read a byte[] from a file. I need to save a byte[] to a file and then retrieve it later can someone help in this..
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there are actually docs on the classes ByteArrayInputStream and ByteArrayOutputStream here:
http://java.sun.com/javase/6/docs/api/
go there (copy & paste in browser) and text search for the above classes.
Then read into it. That way, you will come to a better comprehension of the entire thing. You may as well want to read this:
http://java.sun.com/docs/books/tutorial/essential/io/index.html
And for the future: if you have general problems, search API docs and tutorials first and solve them yourself. The guys around here can get pretty annoyed about "Teach me the entire Java Thing" (also called "someone do my homework") requests.
If you have a special problem, ie an Exception you don?t understand or a method wich you don?t know how it works, everybody will like to help you.
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dear all,
i want to upload the schedule lines from flat files to sap schedulle lines
but the flat files have 15 schedule lines and the data is as per date
so how to upload that and the fields available in flat files are more than the sap screen
we are having more than 6 items
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Hi Subrat ,
u can upload the data either ( Master /Transaction) data with the help of lsmw. for that all u need to do is go through the lsmw and do it. in that u can go Batch input recording/ BAPI/ IDOC any of that. here i am sending the LSMW Notes go through it and do the work.
once u create the LSMW project then u can ask the data from user or u can explain the user about the program and can run the flat file to upload the data.
if u require LSMW material Just send me blank mail from u. my mail id is [email protected]
Reward if Helpful.
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Praveen Kumar.D

How to find largest number from text file

I am using the "Read from text file" block to read the data from my .txt file into labview. It is now in string format. I have many numbers in the file.
For example:
0.45
0.35
0.12
1.354
1.56
2.89
5.89
0.56
That is what a text file might look like. I want to find which of these numbers is largest, and do calculations with that number. I am having trouble with strings/number formats/arrays, etc. Thanks
Solved!
Go to Solution.

The spreadsheet functions and VIs typically work on strings representing numbers separated by delimiters. This is a typical way to save a "spreadsheet" (of numbers) to a text file, for example .csv files. These are quite versatile and powerful functions. Spend a bit of time becoming familiar with them because you may find yourself using them a lot.
Lynn

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