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--- en:ifthen [2016/08/12 13:01]
admin
+++ en:ifthen [2020/02/28 10:46]
@@ Line 1: / Line 1: @@
-===== If / Then =====
-==== Format ====
-**if** //booleanexpr// **then** [[programsyntax|statement]]
-----
-**if** //booleanexpr// **then**\\
-(tab)[[programsyntax|statement(s)]]\\
-**end if**
-----
-**if** //booleanexpr// **then**\\
-(tab)[[programsyntax|statement(s)]]\\
-**else**\\
-(tab)[[programsyntax|statement(s)]]\\
-**end if**
-==== Description ====
-A single line IF evaluates //booleanexpr//, when true the [[programsyntax|statement(s)]] following the then is executed, otherwise execution continues on the next line. There are also two forms of a multi-line if statement, one with a true block and one with a true and a false block of code to execute.
-==== Example ====
-<code>
-print "Guess my letter - press a key"
-# wait for the user to press a key
-do
-  a = key
-  pause .01
-until a <> 0
-#
-if chr(a) = "Z" then
-   print "Yippie, you pressed the Z key!!!"
-else
-   print "darn, you pressed something else."
-end if
-#
-end
-</code>
-==== See Also ====
-{{page>en:start#Program Control&noheader}}
-==== New To Version ====
-.9.4g

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