Dave,
The location of "then" is mostly personal preference. To me, this is
more logical, consistent and easier to read:
if....then... (for short statement, short response)
if (long statement)
then (long response)
if
then
(lots of responses)
end if
if
then
1
2
3
else
1
2
end if
if
then
if
then
else
end if
else
if
then
else
if
then
end if
end if
end if
No matter how many subconditionals there are, it is easy to see which
statements and responses go together.
Paul Looney
PS I hope that last example came over alright. Kind of meaningless if
it is all flush left. If it got garbled, just paste it into a script
and the script editor will align it properly.
-----Original Message-----
From: Dave Cragg <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]; How to use Revolution
<use-revolution@lists.runrev.com>
Sent: Wed, 25 Jan 2006 17:21:06 +0000
Subject: Re: nested ifs
On 25 Jan 2006, at 10:32, Chipp Walters wrote:
> I like to do the following:
>
> if tResult is "Error" then
> answer "Go Ahead anyway" with "Cancel" or "OK"
> if it is "Cancel" then exit to top
> end if
>
> Most of the time it compiles, but sometimes the single line if >
statement in the middle throws and error and won't compile, so I'm >
forced to do:
The problem seems to occur before an "else" line.
If x > y then
doSomething1
if a = be then doSomething2 ##problem here
else
doSomethng3
end if
I've always assumed (without any deep investigation) that it was a
result of the engine's tolerance of various "if" constructions. For
example the following compiles:
if 1 > 2 then put 2
else put 1
While we're on the subject, could someone who likes to use the "then
on the following line" syntax please explain the advantages. I've
always found it confusing when I come across it, but there must be a
reason for using it that I haven't yet grasped.
Cheers
Dave
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