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MEL if statement requires else??

MEL, SQL, Oracle

Last Post by Anonymous 1 second ago

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rwilliams

(@rwilliams)

Posts: 454

Honorable Member

Topic starter

I am new at writing MEL code (but not code in general) and I wrote a simple if statement on our patient pin letter and I noticed that it would put the word FALSE on the letter if the if statement was not true. Likewise, my userok would print the word FALSE on the page. I ended up having to put double quotes after the userok and add an else statement that only consisted of "". Is this normal behavior or should I have written something differently.

Here is the code:
{ global sExp global sDur

sExp = ADDDATES(str(LAST_SIGNED_OBS_DATE("PATPORTALPIN")), "0","0","30")
sDur = DURATIONDAYS(str(._TODAYSDATE), sExp)
global iDur = val(sDur)

If iDur < 0 Then

userok("THIS PIN HAS EXPIRED. PLEASE CREATE A NEW ONE BEFORE PRINTING THIS LETTER")
""
else
""
endif
}

Posted : July 29, 2015 4:28 am

mgryder

(@mgryder)

Posts: 11

Active Member

Yes, for MEL an IF statement requires an ELSE statement. Even if it is blank or it will return FALSE as you are seeing. It's something that I have to remember when writing MEL because other languages don't require it.

Hope that helps!

Posted : July 29, 2015 4:45 am

rwilliams

(@rwilliams)

Posts: 454

Honorable Member

Topic starter

Thank you. I tried to find some reference to this rule in the manual I was given but I didn't. It looks like the manual was written in 2004 so perhaps I should go look for a new one.

Posted : July 29, 2015 4:54 am

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