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JonnyThunder

Check if program is running already

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Hello,

I saw this already - but a search didn't show it up. How can I check if the current script is already running so that I don't have two instances of the same script running on a PC?

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Yeah, there is - but I want to check if the script is already running (on startup) so that I can exit the script if an instance is found. I know there's a simple way to do it - I read it here before. Just can't find it again.

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Hello,

I saw this already - but a search didn't show it up. How can I check if the current script is already running so that I don't have two instances of the same script running on a PC?

If you look at the Misc.au3 UDF there is a function called _Singleton that does just that.

Example:

If _Singleton($sOccurenceName, 1) = 0 Then
       MsgBox(16, "Error", Another instance of this program is already running.")
    Exit
EndIf

You can just type in _Signleton in the index portion of the helpfile and it will also tell you how to use it.

(Sorry in the middle of me typing this post I see that someone else has posted this. Sorry for the repeat.)

Edited by MattWise

[sub]Quantum mechanics: The dreams stuff is made of[/sub]

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I can't actually get _Singleton to work. It says the script is already running even for the first instance.

Am I right in saying that if I compile my script as "test.exe" then I should be using this....

If _Singleton("test.exe", 1) Then
    MsgBox(0, "Error", "Script is already running")
    Exit
Endif

That isn't working for me.

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