Re: [ns] TCL script - Problem with commandline argument

[Giuseppe Tringali <gtringali@katamail.com>]

At 13.03 03/09/2001 -0700, you wrote:
>use "split" function
>for example,
>
>set arg [split $argv " " ]
>set arguement-1 [lindex $arg 0]
>set arguement-2 [lindex $arg 1]
>
>Kun-chan Lan


I have not understood how this split function can help me. Could you tell 
me something more?

(I explain better my problem. I call the script in this way: ns script.tcl 0 25
so that 25 Mb/s is the bandwith of the link)

Thanks for your answer,

Giuseppe Tringali


>On Sat, 1 Sep 2001, Giuseppe Tringali wrote:
>
> > Hi NS users
> >
> > I have modified the script sat-repeater.tcl to pass two arguments from
> > commandline.
> >
> > The problem is with the second argument: the bandwith of the link.
> >
> > set NN [lindex $argv 1] --> in $NN I find the second argument
> >
> > set opt(bw_up)          $NN Mb; # Uplink bandwidth-- becomes downlink bw
> > also --> but in this way the assignement is not correct
> >
> > (Below my signature you can find the first lines of the script)
> >
> > Where's my mistake? Could you help me?
> >
> > Thanks in advance,
> > Giuseppe Tringali
> >
> >
> > This is the beginning of the script:
> >
> > if {$argc != 2} {
> > puts "ERROR! ns called with wrong number of arguments!($argc)"
> > exit 1
> > } else {
> > set arg [lindex $argv 0]
> >
> > set NN [lindex $argv 1]
> >
> > global ns
> > set ns [new Simulator]
> > $ns rtproto Dummy; # Using C++ routing agents and objects
> >
> > # Global configuration parameters
> >
> > global opt
> > set opt(chan)           Channel/Sat
> > set opt(bw_up)          $NN Mb; # Uplink bandwidth-- becomes downlink 
> bw also
> >