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Giving back a Value

 
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Nimos
Halfop


Joined: 20 Apr 2008
Posts: 80
PostPosted: Sat Oct 25, 2008 6:39 am    Post subject: Giving back a Value Reply with quote
how can I set what a proc gives back after ending?

e.g.

set something [some.proc here]

how can i choose what [some.proc] is?
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Sir_Fz
Revered One


Joined: 27 Apr 2003
Posts: 3793
Location: Lebanon
PostPosted: Sat Oct 25, 2008 7:26 am    Post subject: Reply with quote
To control what you want a procedure to return, use the [return] command. Example:
Code:
proc whatever {a b c} {
 return "returns a string"
}

this will return a string containing "returns a string." Anything after the return statement is ignored.
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