Execute two commands in single-line If -statement

Question

I want to execute two commands as part of a single-line If -statement:

Though below snippet runs without error, variable $F_Akr_Completed is not set to 1, but the MsgBox() is displayed properly (with "F is 0").

$F_Akr_Completed = 0
$PID_Chi         = Run($Command)

If $F_Akr_Completed = 0 And Not ProcessExists($PID_Chi) Then $F_Akr_Completed = 1 And MsgBox(1,1,"[Info] Akron parser completed. F is " & $F_Akr_Completed)

Any idea why there is no syntax-error reported when it's not functional?

turbo · Accepted Answer · 2015-07-16 23:59:59Z

3

There is no error, because

If x = x Then x And x

is a valid statement, and x And x is a logical expression. There are many ways you can do this, e.g.:

If Not ($F_Akr_Completed And ProcessExists($PID_Chi)) Then $F_Akr_Completed = 1 + 0 * MsgBox(1,1,"[Info]    Akron parser completed. F is " & 1)

But that is a bad style of coding. AutoIt is a mostly verbose language and I recommend to seperate multiple statements.

You can also assign values using the ternary operator:

$F_Akr_Completed = (Not ($F_Akr_Completed And ProcessExists($PID_Chi))) ? 1 : 0

which is the same as

$F_Akr_Completed = Int(Not ($F_Akr_Completed And ProcessExists($PID_Chi)))

answered Jul 16, 2015 at 23:59

turbo

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