shutdown computer

[im the man]

OK i tried this but it didnt work?

Shutdown Computer:

Code:

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str s
str+ st
rep
,s.time("-" "h:mm tt")
,out s
,if s=st
,,shutdown 1
,,end
,30

Set Time:

Code:

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str+ st="12:51 PM"

but this didnt work? any ideas why?[/code]