Tip

How to generate a random number for a given number range

Function Module QF05_RANDOM_INTEGER can give a random number for a given minimum and maximum values. Study the code below:
REPORT ZRANDOM.

DATA RANINT LIKE QF00-RAN_INT.

PARAMETERS: P_MAX LIKE QF00-RAN_INT DEFAULT 100,

P_MIN LIKE QF00-RAN_INT DEFAULT 1,

P_TIMES TYPE I DEFAULT 10.

WRITE:/ 'RANDOM NUMBER'.

ULINE.

DO P_TIMES TIMES.

CALL FUNCTION 'QF05_RANDOM_INTEGER'
EXPORTING
  RAN_INT_MAX   = P_MAX
  RAN_INT_MIN   = P_MIN
IMPORTING
  RAN_INT       = RANINT
EXCEPTIONS
  INVALID_INPUT = 1
  OTHERS        = 2.

  IF SY-SUBRC EQ 0.
    WRITE:/ RANINT.
  ELSE.
    WRITE:/ 'UNABLE TO GENERATE RANDOM NUMBER'.
  ENDIF.
ENDDO.

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This was first published in April 2005

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