Loading from a Flat file: Binary and Text File
Hi,
Does anyone know what the difference is between loading from a binary file or text file?
Ramon
Hi,
the difference is that text files contain lines (or records) of text and each of these has an end-of-line marker automatically appended to the end of it whenever you indicate that you have reached the end of a line.
So what happens when we read from a text file is that the end-of-line character for the operating system that we are using gets converted into a low value end-of-string indicator and when we write to a file the appropriate end-of-line character(s) get written when we indicate the end of the line. This makes the reading and writing of text files much easier because the appropriate end-of-line markers are handled for us.
With a binary file none of these conversions take place. When we read a binary file the end-of-line characters for our operating system will be read into the string and treated no different than any other character. When we write to a binary file the only end-of-line markers that are written will be those that we code into the output ourselves and hence will be exactly as we code it regardless of the operating system that we are running on. This makes it much easier for us when the file does not contain straight text and the end-of-line marker does not separate lines of text but rather appears as part of the non-text data content of the file.
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Hi
Can you help me with code for copying the records from an oracle table to a Text file,? I like to copy the 1200 records from a 7 field table to a .txt file and print out the out put.
earliest reply is deeply appreciated.
regrds
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Data from itab to be store in text file in desktop
hi
i am tyring to store the data from itab into a text file in desktop,but its now owrking.
i am using open dataset statment,but no where data is storing.My code:
TYPES : BEGIN OF ST_DEMO,
REG_NO(10) TYPE C,
NAME(20) TYPE C,
ADDR(20) TYPE C,
END OF ST_DEMO.
DATA : WA_DEMO TYPE ST_DEMO,
IT_DEMO TYPE TABLE OF ST_DEMO,
L_FNAME TYPE dxfile-filename .
PARAMETERS: P_FNAME(128) TYPE C DEFAULT '\usr\sap\put\vipin.txt' OBLIGATORY.
L_FNAME = P_FNAME.
WA_DEMO-REG_NO = '100001'.
WA_DEMO-NAME = 'ANAND'.
WA_DEMO-ADDR = 'NAGARKOVIL'.
APPEND WA_DEMO TO IT_DEMO.
OPEN DATASET L_FNAME FOR OUTPUT IN TEXT MODE ENCODING DEFAULT.
WRITE :5 'REG NUM',16 'NAME',37 'ADDRESS' .
LOOP AT IT_DEMO INTO WA_DEMO.
IF SY-SUBRC = 0.
TRANSFER WA_DEMO TO L_FNAME.
WRITE :/5 WA_DEMO-REG_NO,16 WA_DEMO-NAME,37 WA_DEMO-ADDR.
ENDIF.
ENDLOOP.
close DATASET L_FNAME.
please tell me where is the prob?I wan to schedule it for background job.
regds
vipinhi
here is the code for : "data from itab to be store in text file in desktop"
TABLES: vbak. " standard table
* Type Pools *
TYPE-POOLS: slis.
* Global Structure Definitions *
*-- Structure to hold data from table CE1MCK2
TYPES: BEGIN OF tp_itab1,
vbeln LIKE vbap-vbeln,
posnr LIKE vbap-posnr,
werks LIKE vbap-werks,
lgort LIKE vbap-lgort,
END OF tp_itab1.
*-- Data Declaration
DATA: t_itab1 TYPE TABLE OF tp_itab1.
DATA : i_fieldcat TYPE slis_t_fieldcat_alv.
* Selection Screen *
*--Sales document-block
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-t01.
SELECT-OPTIONS: s_vbeln FOR vbak-vbeln.
SELECTION-SCREEN END OF BLOCK b1.
*--Display option - block
SELECTION-SCREEN BEGIN OF BLOCK b2 WITH FRAME TITLE text-t02.
PARAMETERS: alv_list RADIOBUTTON GROUP g1,
alv_grid RADIOBUTTON GROUP g1.
SELECTION-SCREEN END OF BLOCK b2.
*file download - block
SELECTION-SCREEN BEGIN OF BLOCK b3 WITH FRAME TITLE text-t03.
PARAMETERS: topc AS CHECKBOX,
p_file TYPE rlgrap-filename.
SELECTION-SCREEN END OF BLOCK b3.
* Initialization. *
* At Selection Screen *
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
CALL FUNCTION 'F4_DXFILENAME_4_DYNP'
EXPORTING
dynpfield_filename = 'P_FILE'
dyname = sy-cprog
dynumb = sy-dynnr
filetype = 'P' "P-->Physical
location = 'P' "P Presentation Srever
server = space.
AT SELECTION-SCREEN ON s_vbeln.
PERFORM vbeln_validate.
* Start Of Selection *
START-OF-SELECTION.
*-- Fetching all the required data into the internal table
PERFORM select_data.
* End Of Selection *
END-OF-SELECTION.
IF t_itab1[] IS NOT INITIAL.
IF topc IS NOT INITIAL.
PERFORM download.
MESSAGE 'Data Download Completed' TYPE 'S'.
ENDIF.
PERFORM display.
ELSE.
MESSAGE 'No Records Found' TYPE 'I'.
ENDIF.
* Top Of Page Event *
TOP-OF-PAGE.
*& Form : select_data
* Description : Fetching all the data into the internal tables
* parameters : none
FORM select_data .
SELECT vbeln
posnr
werks
lgort
INTO CORRESPONDING FIELDS OF TABLE t_itab1
FROM vbap
WHERE vbeln IN s_vbeln.
IF sy-subrc <> 0.
MESSAGE 'Enter The Valid Sales Document Number'(t04) TYPE 'I'.
EXIT.
ENDIF.
ENDFORM. " select_data
*& Form : display
* decription : to display data in given format
* parameters : none
FORM display .
IF alv_list = 'X'.
PERFORM build_fieldcat TABLES i_fieldcat[]
USING :
*-Output-field Table Len Ref fld Ref tab Heading Col_pos
'VBELN' 'T_ITAB1' 10 'VBAP' 'VBELN' '' 1,
'POSNR' 'T_ITAB1' 6 'VBAP' 'POSNR' '' 2,
'WERKS' 'T_ITAB1' 4 'VBAP' 'WERKS' '' 3,
'LGORT' 'T_ITAB1' 4 'VBAP' 'LGORT' '' 4.
CALL FUNCTION 'REUSE_ALV_LIST_DISPLAY'
EXPORTING
i_callback_program = sy-repid
* i_callback_pf_status_set = c_pf_status
i_callback_user_command = 'USER_COMMAND '
* it_events = t_alv_events[]
it_fieldcat = i_fieldcat[]
TABLES
t_outtab = t_itab1[]
EXCEPTIONS
program_error = 1
OTHERS = 2.
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.
IF alv_grid = 'X'.
PERFORM build_fieldcat TABLES i_fieldcat[]
USING :
*-Output-field Table Len Ref fld Ref tab Heading Col_pos
'VBELN' 'T_ITAB1' 10 'VBAP' 'VBELN' '' 1,
'POSNR' 'T_ITAB1' 6 'VBAP' 'POSNR' '' 2,
'WERKS' 'T_ITAB1' 4 'VBAP' 'WERKS' '' 3,
'LGORT' 'T_ITAB1' 4 'VBAP' 'LGORT' '' 4.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
i_callback_program = sy-repid
* i_callback_pf_status_set = c_pf_status
i_callback_user_command = 'USER_COMMAND '
it_fieldcat = i_fieldcat
TABLES
t_outtab = t_itab1[]
EXCEPTIONS
program_error = 1
OTHERS = 2.
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.
ENDFORM. " display
*& Form : vbeln_validate
* description : to validate sales document number
* parameters : none
FORM vbeln_validate .
DATA: l_vbeln TYPE vbak-vbeln.
SELECT SINGLE vbeln
FROM vbak
INTO l_vbeln
WHERE vbeln IN s_vbeln.
IF sy-subrc NE 0.
MESSAGE 'ENTER THE VALID SALES DOCUMENT NO:' TYPE 'I'.
EXIT.
ENDIF.
ENDFORM. " vbeln_validate
*& Form :build_fieldcat
* Description : This routine fills field-catalogue
* Prameters : none
FORM build_fieldcat TABLES fpt_fieldcat TYPE slis_t_fieldcat_alv
USING fp_field TYPE slis_fieldname
fp_table TYPE slis_tabname
fp_length TYPE dd03p-outputlen
fp_ref_tab TYPE dd03p-tabname
fp_ref_fld TYPE dd03p-fieldname
fp_seltext TYPE dd03p-scrtext_l
fp_col_pos TYPE sy-cucol.
*-- Local data declaration
DATA: wl_fieldcat TYPE slis_fieldcat_alv.
*-- Clear WorkArea
wl_fieldcat-fieldname = fp_field.
wl_fieldcat-tabname = fp_table.
wl_fieldcat-outputlen = fp_length.
wl_fieldcat-ref_tabname = fp_ref_tab.
wl_fieldcat-ref_fieldname = fp_ref_fld.
wl_fieldcat-seltext_l = fp_seltext.
wl_fieldcat-col_pos = fp_col_pos.
*-- Update Field Catalog Table
APPEND wl_fieldcat TO fpt_fieldcat.
ENDFORM. "build_fieldcat
*& Form : download
* description : To Download The Data
* Parameters : none
FORM download .
DATA: l_file TYPE string.
l_file = p_file.
CALL FUNCTION 'GUI_DOWNLOAD'
EXPORTING
filename = l_file
filetype = 'ASC'
TABLES
data_tab = t_itab1
EXCEPTIONS
file_write_error = 1
no_batch = 2
gui_refuse_filetransfer = 3
invalid_type = 4
no_authority = 5
unknown_error = 6.
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDFORM. " download
hope it will help you
regards
rahul -
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Copy one text file to another text file and delete last line
Hi all wonder if someone can help, i want to be able to copy one text file to another text file and remove the last line of the first text file. So currently i have this method:
Writer output = null;
File file = new File("playerData.xml");
try {
output = new BufferedWriter(new FileWriter(file, true));
output.write("\t" + "<player>" + "\n");
output.write("\t" + "\t" + "<playerName>" + playerName + "</playerName>" + "\n");
output.write("\t" + "\t" + "<playerScore>" + pointCount + "</playerScore>" + "\n");
output.write("\t" + "\t" + "<playerTime>" + minutes + " minutes " + seconds + " seconds" + "</playerTime>" + "\n");
output.write("\t" + "</player>" + "\n");
output.write("</indianaTuxPlayer>" + "\n");
output.close();
System.out.println("Player data saved!");
catch (IOException e) {
e.printStackTrace();
}However each time the method is run i get the "</indianaTuxPlayer>" line repeated, now when i come to read this in as a java file i get errors becuase its not well formed. So my idea is to copy the original file, remove the last line of that file, so the </indianaTuxPlayer> line and then add this to a new file with the next data saved in it. So i would end up with something like this:
<?xml version="1.0" encoding="UTF-8"?>
<indianaTuxPlayers>
<player>
<playerName>Default Player</playerName>
<playerScore>0</playerScore>
<playerTime>null minutes null seconds</playerTime>
</player>
<player>
<playerName>Default Player</playerName>
<playerScore>0</playerScore>
<playerTime>null minutes null seconds</playerTime>
</player>
<player>
<playerName>Default Player</playerName>
<playerScore>0</playerScore>
<playerTime>null minutes null seconds</playerTime>
</player>
</indianaTuxPlayers>
However after all day searching the internet and trying ways, i have been unable to get anything working, could anyone give me a hand please?I would go the XML route too, but for fun, open a file as a BufferedWriter and do this:
void copyAllButLastLine(File src, BufferedWriter tgt) throws IOException {
BufferedReader in = new BufferedReader(new FileReader(src));
try {
String previous= in.readLine();
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How to save the contents of a file(not a text file)
Hi all, I want to save the contents of a file(,png file, not a text file) as a field in a class. Shall I have it as a string or byte array or something?
I have tried saving a file in a string but there were some problems with loading the file from a different platform. Following is my code.
String string;
try {
StringBuffer sb = new StringBuffer(1024);
char[] characterArray = new char[1024];
BufferedReader br = new BufferedReader(new FileReader(file));
while(br.read(characterArray) != -1){
sb.append(String.valueOf(characterArray));
br.close();
string= sb.toString();
} catch (IOException ex) {
ex.printStackTrace();
}and I use the following code to recover the string back to a stream, and save that stream back to a time later.
ByteArrayInputStream bais = new ByteArrayInputStream(map.getBytes());I realized that because this file is not a text file, the string could cause some problems. But anyone could tell me if I should use a byte array or someting? and how?
Any help would be appreciated!
Cheers,
JingYou should use a byte array, and the binary streams (InputStream a& OutputStream). Never use Strings and Reader/Writer if you have binary data.
Kaj -
How to convert a HTML files into a text file using Java
Hi guys...!
I was wondering if there is a way to convert a HTML file into a text file using java programing language. Likewise I would also like to know if there is a way to convert any type of file (excel, power point, and word) into text using java.
By the way, I really appreciated the help that you guys gave me on my previous topic on how to extract tests from a pdf file.
Thank you....HTML files are already text files. What do you mean you want to convert them?
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How to write the location of a file in a text file?
Hello All,
I am doing a POC with the following scenario:
Steps:
1. Move a file from one location in your system to another location, say from C drive to D drive.
2. After that i want to write the new location of the file in a text file.
I have succesfully moved the file from C drive to D drive using the File Adapter and also FTP Adapter. However I am unable to copy or write the new location of the file into a text file. Please provide me any suggestions regarding this issue i am facing. Your help and support is highly appreciated. Thanks in advance.Hi,
If want the file directory name to be captured in the BPEL process then add <element name="directory" type="string"/> in the inbound or outbound adapter header wsdl file. Then declare a variable of the header message type and in the 'adapter' tab of the receive or invoke activity select that variable which you previously created.
Hope this helps.
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How can I download music files (MP3) and video files (AVI) to iPod Nano?
I just want to download music files (MP3) and video files (AVI) to my son's iPod Nano and iTunes has all menus grayed out, can't get on Apple support site to upload diagnostics file. Driving me mad - should be simple... Please help!!! Dump of diagnostics below:
Microsoft Windows XP Professional Service Pack 3 (Build 2600)
INTEL_ DG41RQ__
iTunes 11.1.3.8
QuickTime 7.2
FairPlay 2.5.16
Apple Application Support 2.3.6
iPod Updater Library 11.1f5
CD Driver 2.2.3.0
CD Driver DLL 2.1.3.1
Apple Mobile Device 7.0.0.117
Apple Mobile Device Driver 1.64.0.0
Bonjour 3.0.0.10 (333.10)
Gracenote SDK 1.9.6.502
Gracenote MusicID 1.9.6.115
Gracenote Submit 1.9.6.143
Gracenote DSP 1.9.6.45
iTunes Serial Number 0012B9B00CB27BC0
Current user is an administrator.
The current local date and time is 2013-12-22 23:15:54.
iTunes is not running in safe mode.
WebKit accelerated compositing is disabled.
HDCP is not supported.
Core Media is not supported. (16002)
Video Display Information
ATI RADEON XPRESS 200 Series
Intel(R) G41 Express Chipset
**** External Plug-ins Information ****
No external plug-ins installed.
**** Network Connectivity Tests ****
Network Adapter Information
Adapter Name: {E4F794BB-151F-490C-8AC0-1EDB6DA3718A}
Description: D-Link DWA-125 Wireless N 150 USB Adapter(rev.A2) - Packet Scheduler Miniport
IP Address: 192.168.5.104
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.5.1
DHCP Enabled: Yes
DHCP Server: 192.168.5.1
Lease Obtained: Sun Dec 22 21:35:11 2013
Lease Expires: Mon Dec 23 21:35:11 2013
DNS Servers: 91.216.105.75
216.93.191.228
Active Connection: LAN Connection
Connected: Yes
Online: Yes
Using Modem: No
Using LAN: Yes
Using Proxy: No
Firewall Information
Windows Firewall is on.
iTunes is enabled in Windows Firewall.
Connection attempt to Apple web site was successful.
Connection attempt to browsing iTunes Store was successful.
Connection attempt to purchasing from iTunes Store was successful.
Connection attempt to iPhone activation server was successful.
Connection attempt to firmware update server was unsuccessful.
The network connection timed out.
Connection attempt to Gracenote server was successful.
iTunes has never successfully accessed the iTunes Store.
**** CD/DVD Drive Tests ****
No drivers in LowerFilters.
UpperFilters: GEARAspiWDM (2.2.3.0),
D: LITE-ON DVDRW SHW-160P6S, Rev PRS2
Drive is empty.
**** Device Connectivity Tests ****
iPodService 11.1.3.8 is currently running.
iTunesHelper 11.1.3.8 is currently running.
Apple Mobile Device service 3.3.0.0 is currently running.
Universal Serial Bus Controllers:
Standard Enhanced PCI to USB Host Controller
Standard OpenHCD USB Host Controller
Standard OpenHCD USB Host Controller
Standard OpenHCD USB Host Controller
Standard OpenHCD USB Host Controller
Standard OpenHCD USB Host Controller
Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27C8. Device is working properly.
Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27C9. Device is working properly.
Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27CA. Device is working properly.
Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27CB. Device is working properly.
Intel(R) 82801G (ICH7 Family) USB2 Enhanced Host Controller - 27CC. Device is working properly.
FireWire (IEEE 1394) Host Controllers:
Texas Instruments OHCI Compliant IEEE 1394 Host Controller
Connected Device Information:
IPOD (K:\), iPod nano (7th Generation) running firmware version 1.0.2
Serial Number: DCYK27TGF0GT
Bus Speed: 61440
**** Device Sync Tests ****
No iPod, iPhone, or iPad found.Hi fkerrin!
In case you haven’t already tried this process before, here is an article for you about syncing media to the iPod:
iTunes: Syncing media content to iPod
http://support.apple.com/kb/ht1351
Thanks for coming to the Apple Support Communities!
Regards,
Braden
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