How to insert new line char while writing bytes into file
Hello Sir,
Is it possible to insert the new line character in set of String variables and stored them into bytearray ,then finally write into File?
This is the sample code which i tried:
File f = new File(messagesDir,"msg" + msgnum + ".txt");
FileOutputStream fout = new FileOutputStream(f);
String fromString = "From: "+msg.getFrom()+"\n";
String toString = "To: "+msg.getTo()+"\n";
String dateString = "Sent: "+msg.getDate()+"\n";
String msgString =msg.getBody()+"\n";
String finalString=fromString+toString+dateString+msgString;
byte[] msgBytes = finalString.getBytes();
fout.write(msgBytes);
fout.close();in the above code , i tried to add the new line as "\n" in end of each string. but when i look into the generated files msg1.txt , it contains some junk char [] .
please provide me the help
regards
venki
but it has still shown the the junk char, its not able
to create the new line in the created file i am afraid
how am i going to get the solution?:(Do not be afraid dear sir. You are obviously using a windows operating system or a mac operating system. On windows a newline is "\r\n" not '\n', and on a mac a newline is '\r', not '\n'. If you make that correction, dear sir, your program will work.
However, there is a better way. First, you probably want to buffer your output if you are going to write more than one time to the file, which will make writing to the file more efficient. In addition, when you buffer your output, you can use the newLine() method of the BufferedWriter object to insert a newline. The newline will be appropriate for the operating system that the program is running on. Here is an example:
File f = new File("C:/TestData/atest.txt");
BufferedWriter out = new BufferedWriter(new FileWriter(f) );
String fromString = "From: Jane";
out.write(fromString);
//Not written to the file until enough data accumulates.
//The data is stored in a buffer until then.
out.newLine();
String toString = "To: Dick";
out.write(toString);
out.newLine();
String dateString = "Sent: October 27, 2006";
out.write(dateString);
out.newLine();
out.close();
//Causes any unwritten data to be flushed from
//the buffer and written to the file.
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-> &
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Hi all,
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AshviniYou should never use "\n" directly.
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It dint insert line breaks in the message.Do i need to write it differently?
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I dont see an option to attach a file with the post so that I can show the code to you.
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chk this
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READ_BY_LINE = 'X'
DAT_MODE = ' '
CODEPAGE = ' '
IGNORE_CERR = ABAP_TRUE
REPLACEMENT = '#'
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HEADER =
TABLES
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FILE_READ_ERROR = 2
NO_BATCH = 3
GUI_REFUSE_FILETRANSFER = 4
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NO_AUTHORITY = 6
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BAD_DATA_FORMAT = 8
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SEPARATOR_NOT_ALLOWED = 10
HEADER_TOO_LONG = 11
UNKNOWN_DP_ERROR = 12
ACCESS_DENIED = 13
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DISK_FULL = 15
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ENDIF.
SORT ITAB BY IND.
START-OF-SELECTION.
LOOP AT ITAB.
REFRESH IT_MESSAGES.
<b>V_IND = V_IND + 1.</b>
<b>AT NEW IND.</b>
<b>READ TABLE ITAB INDEX SY-TABIX.</b>
PERFORM BDC_DYNPRO USING 'SAPMM06E' '0100'.
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PERFORM BDC_FIELD USING 'RM06E-LPEIN'
ITAB-LPEIN_005.
PERFORM BDC_FIELD USING 'EKKO-EKGRP'
ITAB-EKGRP_006.
PERFORM BDC_FIELD USING 'BDC_OKCODE'
'/00'.
ENDAT.
<b>PERFORM BDC_DYNPRO USING 'SAPMM06E' '0120'.
CONCATENATE 'EKPO-EMATN(' V_IND ')' INTO V_EMATN.
PERFORM BDC_FIELD USING V_EMATN
ITAB-EMATN_01_007.
CONCATENATE 'EKPO-WERKS(' V_IND ')' INTO V_WERKS.
PERFORM BDC_FIELD USING V_WERKS
ITAB-WERKS_01_008.
CONCATENATE 'EKPO-PEINH(' V_IND ')' INTO V_PEINH.
PERFORM BDC_DYNPRO USING 'SAPMM06E' '0120'.
PERFORM BDC_FIELD USING V_PEINH
ITAB-PEINH_01_009.
*CONCATENATE 'EKPO-MENGE(' V_IND ')' INTO V_MENGE.
*perform bdc_dynpro using 'SAPMM06E' '0120'.
*perform bdc_field using V_MENGE
ITAB-MENGE_01_013.
*CONCATENATE 'EKPO-EBELP(' V_IND ')' INTO V_EBELP.
PERFORM BDC_DYNPRO USING 'SAPMM06E' '0120'.
PERFORM BDC_FIELD USING 'RM06E-EBELP'
ITAB-EBELP_014.</b>PERFORM BDC_FIELD USING 'BDC_OKCODE'
'/00'.
AT END OF IND.
PERFORM BDC_FIELD USING 'BDC_OKCODE'
'=BU'.
ENDAT.
CALL TRANSACTION 'ME21' USING IT_BDCDATA MODE 'A'
UPDATE 'S'
MESSAGES INTO IT_MESSAGES.
LOOP AT IT_MESSAGES WHERE MSGTYP = 'E' OR MSGTYP = 'A'.
IF FLAG = 'X'.
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EXPORTING
CLIENT = SY-MANDT
DEST = FILLER8
GROUP = 'GAMY_FAILURE'
HOLDDATE = FILLER8
KEEP = 'X'
USER = SY-UNAME
RECORD = FILLER1
PROG = SY-CPROG
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QID =
EXCEPTIONS
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DESTINATION_INVALID = 2
GROUP_INVALID = 3
GROUP_IS_LOCKED = 4
HOLDDATE_INVALID = 5
INTERNAL_ERROR = 6
QUEUE_ERROR = 7
RUNNING = 8
SYSTEM_LOCK_ERROR = 9
USER_INVALID = 10
OTHERS = 11
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
CLEAR FLAG.
ENDIF.
CALL FUNCTION 'BDC_INSERT'
EXPORTING
TCODE = 'ME21'
POST_LOCAL = NOVBLOCAL
PRINTING = NOPRINT
SIMUBATCH = ' '
CTUPARAMS = ' '
TABLES
DYNPROTAB = IT_BDCDATA
EXCEPTIONS
INTERNAL_ERROR = 1
NOT_OPEN = 2
QUEUE_ERROR = 3
TCODE_INVALID = 4
PRINTING_INVALID = 5
POSTING_INVALID = 6
OTHERS = 7
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDIF.
CALL FUNCTION 'FORMAT_MESSAGE'
EXPORTING
ID = IT_MESSAGES-MSGID
LANG = 'EN'
NO = IT_MESSAGES-MSGNR
V1 = IT_MESSAGES-MSGV1
V2 = IT_MESSAGES-MSGV2
V3 = IT_MESSAGES-MSGV3
V4 = IT_MESSAGES-MSGV4
IMPORTING
MSG = V_MSG
EXCEPTIONS
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OTHERS = 2
WRITE : / V_MSG.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDLOOP.
ENDLOOP.
IF FLAG NE 'X'.
CALL FUNCTION 'BDC_CLOSE_GROUP'
EXCEPTIONS
NOT_OPEN = 1
QUEUE_ERROR = 2
OTHERS = 3
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDIF.
Start new screen *
FORM BDC_DYNPRO USING PROGRAM DYNPRO.
CLEAR IT_BDCDATA.
IT_BDCDATA-PROGRAM = PROGRAM.
IT_BDCDATA-DYNPRO = DYNPRO.
IT_BDCDATA-DYNBEGIN = 'X'.
APPEND IT_BDCDATA.
ENDFORM.
Insert field *
FORM BDC_FIELD USING FNAM FVAL.
CLEAR IT_BDCDATA.
IT_BDCDATA-FNAM = FNAM.
IT_BDCDATA-FVAL = FVAL.
APPEND IT_BDCDATA.
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