Re: [ns] is there any error?

[Carlos Alberto Kamienski <cak@cin.ufpe.br>]

> Dear sirs,
>         i'm a new user of ns and tcl too. i'm hang up with an error.
> 
> 	if [expr[$link12 up?] == up] then puts "something"

try

if { [$link12 up?] == "up" } {
   puts "something"
}

carlos

> 
> 	here i'm checking whether a link is up and if up i wanna do some
> 	thing. $link12 is an instance of link.
> 
> 	sir, Is there any error in the above line.
> 	
> 	please help me.....
> 
> thanx in advance.
>                                                    mahesh.
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