How to create a logical file

Hi,
Please help me, i just want to know how to create a logical file and wht is the procedure to assign a physical file to the created logical file.

Hi Abdul,
Here is the process to create Logical File Path.
1)Go to tcode FILE.
2) Click on Logical File Path Definition. Give name "ZTEST" and some description.
3) Click on Assignment of Physical Path to Logical Path. and provide Syntax Group and physical path.
4) Click on Logical File Name Definition and give descrition, physical filename, Data format as ASC, Application area and logical path which you have created.
Please check this links.
Using Logical Files in ABAP Programs
http://help.sap.com/saphelp_nw04/helpdata/en/9f/db95e635c111d1829f0000e829fbfe/content.htm
Creating and Defining Logical Filenames
http://help.sap.com/saphelp_nw04/helpdata/en/fc/eb3df8358411d1829f0000e829fbfe/content.htm
Regards,
Priyanka.

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How to create the logical file name

Hi All,
    I have requirement where i need to post the Inventory Management data. for this i need to execute std. program RM07MMBL which is having logical file name in the selection screen. but i have placed my input file in application server.
   Can any one tell how to create the Logical filename which refers the physical path. I also tried <b>t-code SF01 & Table - FILENAMEC</b>I and found that we need to add an entry in this table but i really dont know how we have to do since this table cannot be maintained in SM30 also..
Help Me.
Thanks in Advance!...
Regards,
Ramkumar

Hi Ram,
Try using FILE transaction code...
Follow these steps to create:::
Double click on Logical file Path Definition
Click on New Entries,
Give Logical file Path name as Z_LOGICAL PATH and save it
now choose this path and double click on Assignemt of Physical path to Logical path
double click on the OS name
Give some description and give some Physical path name from AL11 transaction and save it
Now Double click on Logical File Name Definition,
Click on New Entries,
Give some logical file name: Z_LOGICAL_FILENAME
Physical file: test
Data Format: BIN
Logical Path: Z_LOGICAL PATH
Hope this helps
Regards,
Phani
Message was edited by:
        Sivapuram Phani Kumar

How to creat the logical file name.

Hello All,
I want to create Logical file name in my program, So Please guide me in this issue.
Thanks

Check this out
http://help.sap.com/saphelp_45b/helpdata/en/2a/fa02b7493111d182b70000e829fbfe/content.htm
FU FILE_GET_NAME
Text
Assign the Physical File Name Using a Logical File Name
Functionality
R/3 applications run on various platforms with various file systems. This function module enables you to use platform-independent logical file names in your application programs.
Based on definitions maintained in customizing tables for platform-independent file names, the function module converts a logical file name to the corresponding physical file name and path for the hardware platform concerned.
For this conversion to work for different platforms, the definition of a logical file name must include a logical file path, which in turn is converted to different physical file paths, depending on the particular platform. The platform-specific file name returned by the function module is composed of the physical file path for the current platform and the physical file name associated with the logical file name. Placeholders in physical file and path names are substituted at runtime by the corresponding current values.
Example
logical file name: MONTHLY_SALES_FILE
physical file name: VALUES<PARAM_1>
logical path: SALES_DATA_PATH
physical path (UNIX): /usr/<SYSID>/<FILENAME>
physical path (Windows): C:\SALES\<FILENAME>
Example 1
Get file name for UNIX platform
(current system: K11)
CALL FUNCTION 'FILE_GET_NAME'
EXPORTING
LOGICAL_FILENAME = 'MONTHLY_SALES_FILE'
IMPORTING
FILE_NAME = FILE
FILE_FORMAT = FORMAT.
Result:
FILE = /usr/K11/VALUES
FORMAT = WK1
Example 2
Get file name for UNIX platform, passing a parameter
(current system: K11)
CALL FUNCTION 'FILE_GET_NAME'
EXPORTING
LOGICAL_FILENAME = 'MONTHLY_SALES_FILE'
PARAMETER_1 = '_TST'
IMPORTING
FILE_NAME = FILE
FILE_FORMAT = FORMAT.
Result:
FILE = /usr/K11/VALUES_TST
FORMAT = WK1
Example 3
Get file name for WINDOWS platform, with file name extension
CALL FUNCTION 'FILE_GET_NAME'
EXPORTING
LOGICAL_FILENAME = 'MONTHLY_SALES_FILE'
WITH_FILE_EXTENSION = 'X'
IMPORTING
FILE_NAME = FILE
FILE_FORMAT = FORMAT.
Result:
FILE = C:\SALES\VALUES.WK1
FORMAT = WK1
Notes
All definitions needed for the platform-independent assignment of file names are maintained client-independently with transaction FILE. Logical file names (but not logical file paths) can also be defined specifically for the current client with transaction SF01. Transaction SF07 generates a list of current definitions.
The following concepts are used in the platform-independent assignment of file names:
Logical file name
A descriptive name for a file which is associated with these values:
physical file name
file format
logical file path.
If no logical file path is specified, the function module returns the physical file name only; placeholders are substituted by current values.
Physical file name
The physical file name may contain placeholders.
Logical file path
A descriptive name for a path which is associated with these values:
syntax groups (groups of operating systems)
physical file paths.
Physical file path
The physical file path is defined for a particular syntax group. It must contain the reserved word <FILENAME> as a placeholder for the file name. It may also contain other placeholders.
Operating system
Presentation server and application server can run under different operating systems. The current value for the application server can be obtained from the system field SY-OPSYS, the value for the presentation server by calling function module WS_QUERY.
Both operating systems must be defined and assigned to a syntax group.
Syntax group
Group of operating systems with a common syntax for file and path names (e.g. HP-UX and SINIX).
Placeholder
Reserved words, set in angle brackets, which can be included in physical file and path names (e.g. <DATE>, <FILENAME>). You can find information on possible reserved words in the online help (F1 help) for the fields physical file name and physical file path when maintaining platform-independent file names with transaction FILE.
If the logical path associated with a logical file name does not specify a physical path for the current operating system (syntax group), the path stored in the profile parameter DIR_GLOBAL of the current system is used for generating a complete platform-specific file name.
Parameters
CLIENT
LOGICAL_FILENAME
OPERATING_SYSTEM
PARAMETER_1
PARAMETER_2
PARAMETER_3
USE_PRESENTATION_SERVER
WITH_FILE_EXTENSION
USE_BUFFER
ELEMINATE_BLANKS
EMERGENCY_FLAG
FILE_FORMAT
FILE_NAME
Exceptions
FILE_NOT_FOUND
Function Group
SFIL
Thanks
mahesh

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�
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How to create a logical file

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