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Calculate CRC using class CL_ABAP_ZIP



 
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vga
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PostPosted: Tue Jul 26, 2011 4:41 pm    Post subject: Calculate CRC using class CL_ABAP_ZIP Reply with quote
Code:
TYPES: ty_xline(2048) TYPE x. "BINARY FILES

DATA: l_size TYPE i.
DATA: l_crc TYPE i.

DATA: data_tab TYPE STANDARD TABLE OF ty_xline.

DATA: l_xinput TYPE xstring. "BINARY CONTENT INPUT

CALL METHOD cl_gui_frontend_services=>gui_upload
  EXPORTING
    filename   = 'C:\CRC\import.txt'
    filetype   = 'BIN'
  IMPORTING
    filelength = l_size
  CHANGING
    data_tab   = data_tab.

CALL FUNCTION 'SCMS_BINARY_TO_XSTRING'
  EXPORTING
    input_length = l_size
  IMPORTING
    buffer       = l_xinput
  TABLES
    binary_tab   = data_tab.

l_crc = cl_abap_zip=>crc32( content = l_xinput ).

WRITE: / l_crc.

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