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Contents 1 WHILE 1.1 Syntax 1.2 Examples 1.3 Remarks 1.4 See Also

[edit] WHILE

WHILE is a compound statement used to perform loops. The code within a WHILE statement will be repeated while the given condition be true. If the given condition is false the first time the inner sentences are never executed.

[edit] Syntax

WHILE expression
   sentences
END WHILE

or

WHILE expression
   sentences
WEND

The first form is preferred.

[edit] Examples

While a < b
   Let a = a + 1
   Poke a, 0
End While

An infinite loop:

While 1
  REM An infinite loop. This will issue a warning
  Print "Hello world!"
End While

Note: For infinite loops use DO..LOOP

[edit] Remarks

• This statement does not exist in Sinclair Basic
• WHILE can also be used with DO..LOOP (see DO for more information)

[edit] See Also

• IF
• DO..LOOP
• FOR..NEXT
• EXIT
• CONTINUE