[Click] Script element

[María Gómez]

Thanks for your explanations
María Gómez

> Date: Mon, 7 Sep 2009 15:54:12 -0700
> From: kohler at cs.ucla.edu
> To: maria_gn1 at hotmail.com
> CC: click at amsterdam.lcs.mit.edu
> Subject: Re: [Click] Script element
> 
> I checked in the new behavior that will give you a "truly random" seed 
> whenever a router is configured.
> 
> E
> 
> 
> 
> Eddie Kohler wrote:
> > María,
> > 
> > 1:
> > 
> > Script(print $(if_test.run 1),
> >         print $(if_test.run 2));
> > if_test::Script(TYPE PASSIVE,
> >         return $(if $(eq $1 1) "GAVE ME ONE" "GAVE ME NOT ONE"))
> > 
> > When run this will print
> > "GAVE ME ONE"
> > "GAVE ME NOT ONE"
> > 
> > 
> > 2:
> > 
> > By default every Click run uses the same random seed, leading to a predictable 
> > & deterministic sequence of random values.  This behavior should not be 
> > depended on, and in fact I will probably change it today.  In the mean time, 
> > try adding a "RandomSeed" element to your configuration.  When given no 
> > arguemnts, RandomSeed sets the random seed unpredictably on each run.
> > 
> > E.g.:
> > 
> > letni% click -e 'Script(print $(random), stop)'
> > 1804289383
> > letni% click -e 'Script(print $(random), stop)'
> > 1804289383
> > letni% click -e 'Script(print $(random), stop)'
> > 1804289383
> > letni% click -e 'Script(print $(random), stop); RandomSeed'
> > 530300448
> > letni% click -e 'Script(print $(random), stop); RandomSeed'
> > 618331881
> > letni% click -e 'Script(print $(random), stop); RandomSeed'
> > 1536646481
> > 
> > 
> > Eddie
> > 
> > 
> > María Gómez wrote:
> >> Hi all,
> >> I have two question about some Script's handler:
> >>
> >> 1- Can anyone tell me how to use the  if handler? Please, a example.
> >>
> >> 2-The random handler always return the same number, not refresh.
> >>
> >> Thanks.
> >>
> >> Regards.
> >>
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> > 
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