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тАО11-20-2008 04:46 AM
тАО11-20-2008 04:46 AM
Is there any equivalent statement call to case/switch and is there something like linux "shift"?
Best regards
Fredrik Eriksson
Solved! Go to Solution.
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тАО11-20-2008 05:19 AM
тАО11-20-2008 05:19 AM
SolutionYes. This is a question that is actually in the backlog for my OpenVMS Consultant column on OpenVMS.org (see http://www.openvms.org ).
The way that a case/switch (aka FORTRAN computed GOTO) is handled is via use of symbol substitution, to wit:
$ X = 15
$ ...
$ IF (X .LT. 0) .OR. (X. GT. 20)
$ THEN
$ .... (Error Processing) ...
$ ENDIF
$!
$ GOTO TARGET_'X'
$!
$ TARGET_0:
$ ...
$ GOTO TARGET_COMMON:
$!
$ TARGET_1:
$ ...
$ TARGET_20:
$ ...
$ TARGET_COMMON:
The usual tricks that can be done with this class of construct (e.g., coalescing different cases) are straightforward.
I hope that the above is helpful.
- Bob Gezelter, http://www.rlgsc.com
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тАО11-20-2008 05:22 AM
тАО11-20-2008 05:22 AM
Re: Case/switch statement in DCL
case $1 in
case-trigger)
;;
shift
esac
Best regards
Fredrik Eriksson
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тАО11-20-2008 05:33 AM
тАО11-20-2008 05:33 AM
Re: Case/switch statement in DCL
With all due respect, there is no "linux case statement", it is a shell case statement.
There is a shell available on OpenVMS, is is available as part of the separate tools installation.
- Bob Gezelter, http://www.rlgsc.com
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тАО11-20-2008 06:05 AM
тАО11-20-2008 06:05 AM