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General HydroStatics
Ship Stability Software |
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Command of the Week
(New or interesting aspects of GHS that you may not know about) |
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EXIT|EXIT
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Here is a handy little trick that simplifies error exits.
In the example below, we would like the error exit from DOING_BETTER to also exit DOING_GOOD because in that case we want to bypass the message COMPLETED DOING GOOD. Instead of managing this with a variable, a slick way to do it is with a double exit. |
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macro DOING_GOOD me doing good .DOING_BETTER me completed doing good / macro DOING_BETTER me starting to do even better me oops - have to get out of here! | EXIT | EXIT me completed doing better / .DOING_GOOD Here is the result: DOING GOOD STARTING TO DO EVEN BETTER OOPS - HAVE TO GET OUT OF HERE! End of Run File DOGOOD.RF. |
| You can combine as many EXIT commands as needed to exit multiple levels. If you put more EXITs than there are macros to exit, the extras are simply ignored. |
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Questions, comments, or requests?
Contact Creative Systems, Inc. USA phone: 360-385-6212 Fax: 360-385-6213 Office hours: 7:00 am - 4:00 pm Pacific Time, Monday - Friday Mailing address: PO Box 1910 Port Townsend, WA 98368 USA Click here for an index to this and previous COWs |