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Diff between continue & next sentence

 
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mdisulaiman
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Joined: 14 Nov 2003
Posts: 17
Topics: 10
PostPosted: Sat Nov 15, 2003 9:17 am    Post subject: Diff between continue & next sentence Reply with quote
Hi All,

I am new to cobol pgm ,i want to know the diff between CONTINUE and
NEXT SENTENCE.


bye
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sulaiman
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12370
Topics: 75
Location: San Jose
PostPosted: Sat Nov 15, 2003 11:06 am    Post subject: Reply with quote
mdisulaiman,

NEXT SENTENCE lets you resume execution at the statement after the next period.
CONTINUE lets you resume execution after the next end of scope(End-if, End-evaluate , End-search , End-read ..).

ex:

Code:

 
   IF A = B
      NEXT SENTENCE
   ELSE
       IF A > B
          CONTINUE
       ELSE
          ADD 10 TO A
       END-IF
       ADD 1 TO B   <===== CONTINUE STARTS EXECUETING HERE
   END-IF.
   
   READ INPUT FILE  <=== NEXT SENTENCE STARTS EXECUETING HERE


Note the continue will resume execuetion after the scope-delimiter (end-if) whereas the next sentence resumes execuetion after the period(.)

Hope this helps...

cheers

kolusu
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mdisulaiman
Beginner


Joined: 14 Nov 2003
Posts: 17
Topics: 10
PostPosted: Sun Nov 16, 2003 3:16 am    Post subject: Reply with quote
Hi Kolusu,


Thanks for your info.
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sulaiman
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DaveyC
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Joined: 02 Dec 2002
Posts: 151
Topics: 3
Location: Perth, Western Australia
PostPosted: Fri Nov 28, 2003 7:58 am    Post subject: Reply with quote
IMO both are brain-dead constructs and I can't understand why anybody would want to use them. Why not just negate the test?

Code:

IF A NOT = B
  IF A NOT > B
     ...
  END-IF
END-IF

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Dave Crayford
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