LMD ScriptPack Guide
For statement
The For statement can be used to repeatedly execute code. It allows to iterate from low to high bounds with specified step, or even in reverse order with negative step. If the Step clause is omit, then the default step is 1.
For i = 0 To 10
MsgBox(i)
Next
For i = 0 To 10 Step 2
MsgBox(i)
Next
For i = 10 To 0 Step -1
MsgBox(i)
Next
Do/Loop statement
The Do/Loop statement is a conditional loop statement. The statement supports While or Until conditions; and these conditions can be placed either: at the top or at the bottom of the statement. If the condition is placed at the top of the statement, then its checked before each execution (thus, even before first execution) of the loop child statements:
Dim i = 1
Do While i < 10
MsgBox(i)
i = i * 2
Loop
Dim i = 1
Do Until i >= 10
MsgBox(i)
i = i * 2
Loop
If the condition is placed at the bottom of the statement, then its checked after each execution (thus, only after first execution) of the loop child statements:
Dim i = 1
Do
MsgBox(i)
i = i * 2
Loop While i < 10
Dim i = 1
Do
MsgBox(i)
i = i * 2
Loop Until i >= 10
Exit For/Do statement
The Exit For or Exit Do statements can be used to break loop execution. Using Exit For or Exit Do statements outside of the corresponding loop is a syntax error.
Dim i = 1
Do While i < 100
If i = 15 Then
Exit Do
End If
i = F(i)
Loop
Dim sum = 0
For i = 0 To 10
sum = sum + i
If sum > 15 Then
Exit For
End If
Next
The Exit For or Exit Do statements always works with innermost loop:
For i = 0 To 10 'outer
If i = 5 Then
Exit For 'Break outer loop.
End If
For j = 0 To 10 'inner
If j = 5 Then
Exit For 'Break inner loop.
End If
Next
Next