SAP FILE_OPEN Function Module for

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FILE_OPEN is a standard file open SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for file open FM, simply by entering the name FILE_OPEN into the relevant SAP transaction such as SE37 or SE38.

Function Group: KXDM
Program Name: SAPLKXDM
Main Program: SAPLKXDM
Appliation area: K
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function FILE_OPEN pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'FILE_OPEN'"
  EXPORTING
*  FILNM = ' ' "
*  LOGNM = ' ' "
*  UPL = ' ' "
   FILFMT =  "
*  OPENMODE = 'ASC' "
*  UNICODE_MODE = ' ' "

 IMPORTING
   OFILE =  "

EXCEPTIONS
   LOGNAME_NOT_FOUND = 1    FILE_NOT_OPENED = 2 

.

IMPORTING Parameters details for FILE_OPEN

FILNM -

Data type: CFFILE-FILENAME
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

LOGNM -

Data type: CFFILE-LOGNAME
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

UPL -

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

FILFMT -

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

OPENMODE -

Data type: RLGRAP-FILETYPE
Default: 'ASC'
Optional: Yes
Call by Reference: No ( called with pass by value option)

UNICODE_MODE -

Data type: CFFILE-DATFMT
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for FILE_OPEN

OFILE -

Data type: CFFILE-FILENAME
Optional: No
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

LOGNAME_NOT_FOUND -

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

FILE_NOT_OPENED -

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for FILE_OPEN Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM FILE_OPEN

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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