SAP CONVERT_ITF_TO_ASCII Function Module for Text Conversion ITF (SAPscript Format) to ASCII
CONVERT_ITF_TO_ASCII is a standard convert itf to ascii SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Text Conversion ITF (SAPscript Format) to ASCII processing and below is the pattern details for this FM, 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 convert itf to ascii FM, simply by entering the name CONVERT_ITF_TO_ASCII into the relevant SAP transaction such as SE37 or SE38.
Function Group: STXK
Program Name: SAPLSTXK
Main Program: SAPLSTXK
Appliation area: S
Release date: 21-Feb-2001
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CONVERT_ITF_TO_ASCII 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 'CONVERT_ITF_TO_ASCII'"Text Conversion ITF (SAPscript Format) to ASCII.
EXPORTING
* CODEPAGE = '0000' "Target Character Set (only for TABLETYPE 'BIN')
* FORMATWIDTH = 72 "Row Width in Result Table (40 to 132, 0)
* LANGUAGE = SY-LANGU "Language of Original Text
* TABLETYPE = 'ASC' "Type of foreign format table: 'BIN' or 'ASC'
* TAB_SUBSTITUTE = ' ' "Replacement for Tab
* LF_SUBSTITUTE = ' ' "Replacement Value for Line Feed (only for TABLETYPE 'BIN')
* REPLACE_SYMBOLS = 'X' "Evaluate Symbols
* REPLACE_SAPCHARS = 'X' "Evaluate SAP Characters
IMPORTING
FORMATWIDTH_E = "Actual Format Width at Export
X_DATATAB = "Foreign Text Table (Binary)
C_DATATAB = "Foreign Text Table 132 Characters
X_SIZE = "Size of X_DATATAB in Bytes
TABLES
ITF_LINES = "SAPscript ITF Table
EXCEPTIONS
INVALID_TABLETYPE = 1
IMPORTING Parameters details for CONVERT_ITF_TO_ASCII
CODEPAGE - Target Character Set (only for TABLETYPE 'BIN')
Data type: TCP02-CPCODEPAGEDefault: '0000'
Optional: Yes
Call by Reference: Yes
FORMATWIDTH - Row Width in Result Table (40 to 132, 0)
Data type: ITCTK-TDLINESIZEDefault: 72
Optional: Yes
Call by Reference: Yes
LANGUAGE - Language of Original Text
Data type: SPRASDefault: SY-LANGU
Optional: Yes
Call by Reference: Yes
TABLETYPE - Type of foreign format table: 'BIN' or 'ASC'
Data type: CDefault: 'ASC'
Optional: Yes
Call by Reference: Yes
TAB_SUBSTITUTE - Replacement for Tab
Data type: CDefault: SPACE
Optional: Yes
Call by Reference: Yes
LF_SUBSTITUTE - Replacement Value for Line Feed (only for TABLETYPE 'BIN')
Data type: CDefault: SPACE
Optional: Yes
Call by Reference: Yes
REPLACE_SYMBOLS - Evaluate Symbols
Data type: TDBOOLDefault: 'X'
Optional: Yes
Call by Reference: Yes
REPLACE_SAPCHARS - Evaluate SAP Characters
Data type: TDBOOLDefault: 'X'
Optional: Yes
Call by Reference: Yes
EXPORTING Parameters details for CONVERT_ITF_TO_ASCII
FORMATWIDTH_E - Actual Format Width at Export
Data type: ITCTK-TDLINESIZEOptional: No
Call by Reference: Yes
X_DATATAB - Foreign Text Table (Binary)
Data type: TDTAB_X256Optional: No
Call by Reference: Yes
C_DATATAB - Foreign Text Table 132 Characters
Data type: TDTAB_C132Optional: No
Call by Reference: Yes
X_SIZE - Size of X_DATATAB in Bytes
Data type: IOptional: No
Call by Reference: Yes
TABLES Parameters details for CONVERT_ITF_TO_ASCII
ITF_LINES - SAPscript ITF Table
Data type: TLINEOptional: No
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
INVALID_TABLETYPE - Parameter 'TABLETYPE' contains an invalid value.
Data type:Optional: No
Call by Reference: Yes
Copy and paste ABAP code example for CONVERT_ITF_TO_ASCII 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.| DATA: | ||||
| lv_codepage | TYPE TCP02-CPCODEPAGE, " '0000' | |||
| lt_itf_lines | TYPE STANDARD TABLE OF TLINE, " | |||
| lv_formatwidth_e | TYPE ITCTK-TDLINESIZE, " | |||
| lv_invalid_tabletype | TYPE ITCTK, " | |||
| lv_x_datatab | TYPE TDTAB_X256, " | |||
| lv_formatwidth | TYPE ITCTK-TDLINESIZE, " 72 | |||
| lv_language | TYPE SPRAS, " SY-LANGU | |||
| lv_c_datatab | TYPE TDTAB_C132, " | |||
| lv_x_size | TYPE I, " | |||
| lv_tabletype | TYPE C, " 'ASC' | |||
| lv_tab_substitute | TYPE C, " SPACE | |||
| lv_lf_substitute | TYPE C, " SPACE | |||
| lv_replace_symbols | TYPE TDBOOL, " 'X' | |||
| lv_replace_sapchars | TYPE TDBOOL. " 'X' |
|   CALL FUNCTION 'CONVERT_ITF_TO_ASCII' "Text Conversion ITF (SAPscript Format) to ASCII |
| EXPORTING | ||
| CODEPAGE | = lv_codepage | |
| FORMATWIDTH | = lv_formatwidth | |
| LANGUAGE | = lv_language | |
| TABLETYPE | = lv_tabletype | |
| TAB_SUBSTITUTE | = lv_tab_substitute | |
| LF_SUBSTITUTE | = lv_lf_substitute | |
| REPLACE_SYMBOLS | = lv_replace_symbols | |
| REPLACE_SAPCHARS | = lv_replace_sapchars | |
| IMPORTING | ||
| FORMATWIDTH_E | = lv_formatwidth_e | |
| X_DATATAB | = lv_x_datatab | |
| C_DATATAB | = lv_c_datatab | |
| X_SIZE | = lv_x_size | |
| TABLES | ||
| ITF_LINES | = lt_itf_lines | |
| EXCEPTIONS | ||
| INVALID_TABLETYPE = 1 | ||
| . " CONVERT_ITF_TO_ASCII | ||
ABAP code using 7.40 inline data declarations to call FM CONVERT_ITF_TO_ASCII
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.| "SELECT single CPCODEPAGE FROM TCP02 INTO @DATA(ld_codepage). | ||||
| DATA(ld_codepage) | = '0000'. | |||
| "SELECT single TDLINESIZE FROM ITCTK INTO @DATA(ld_formatwidth_e). | ||||
| "SELECT single TDLINESIZE FROM ITCTK INTO @DATA(ld_formatwidth). | ||||
| DATA(ld_formatwidth) | = 72. | |||
| DATA(ld_language) | = SY-LANGU. | |||
| DATA(ld_tabletype) | = 'ASC'. | |||
| DATA(ld_tab_substitute) | = ' '. | |||
| DATA(ld_lf_substitute) | = ' '. | |||
| DATA(ld_replace_symbols) | = 'X'. | |||
| DATA(ld_replace_sapchars) | = 'X'. | |||
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