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IBM [
return
] |
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From |
Message |
shamrea
2/07/2007 01:02:24
|
Subject: getting_started_with_cobol
Message: hi everyone i am a new user of i-series or cobol/400..i have here a sample program and having a problem how to stop the loop because of my conditional statement "PERFORM UNTIL SELECTOR = "N"". BELOW IS MY SAMPLE PROGRAM.. PLS SOME ONE HELP ME.. THANK YOU. JOE
IDENTIFICATION DIVISION.
PROGRAM-ID. GETTINGSTARTED.
AUTHOR.
*THIS PROGRAM ACCPETS TWO NUMBERS AND AN OPERATOR FROM THE USER AND
*DEPENDING ON THE TYPE OF THE OPERATOR EITHER ADDS THE NUMBER OR MULTIPLY
*THEM TOGETHER AND DISPLAYS THE RESULTS
DATA DIVISION.
WORKING-STORAGE SECTION.
01 NUM1 PIC 999 VALUE ZERO.
01 NUM2 PIC 999 VALUE ZERO.
01 RESULT PIC 999 VALUE ZERO.
01 OPERATOR PIC X VALUE SPACE.
01 SELECTOR PIC X VALUE SPACE.
PROCEDURE DIVISION.
CALCULATOR.
PERFORM UNTIL SELECTOR = "N""
DISPLAY "INPUT FIRST NUMBER :"
ACCEPT NUM1
DISPLAY "INPUT SECOND NUMBER :"
ACCEPT NUM2
DISPLAY "INPUT OPERATOR (+ OR *) :"
ACCEPT OPERATOR
EVALUATE OPERATOR
WHEN "+"
COMPUTE RESULT = NUM1 + NUM2
DISPLAY "RESULT IS = " , RESULT
WHEN "*"
COMPUTE RESULT = NUM1 * NUM2
DISPLAY "RESULT IS = " , RESULT
WHEN OTHER
DISPLAY "ĪNVALID INPUT !!!"
END-EVALUATE
DISPLAY "TRY AGAIN? (Y/N)"
ACCEPT SELECTOR
END-PERFORM.
STOP RUN.
|
Arup Das
2/07/2007 06:03:59
| RE: getting_started_with_cobol
Message: I hope you are typing 'N' in caps, because the code is cheking for capital 'N'. It will loop if untill it gets capital 'N'
Arup
|
JoseFonseca
2/07/2007 06:31:55
| RE: getting_started_with_cobol
Message: You must ask SELECTION = 'N' not = "N"
|
JWL
2/07/2007 12:32:47
| RE: getting_started_with_cobol
Message: Include OR "n" for SELECTION = "N" OR "n"
|
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