Re: Looks like a parsing problem?

[Justace C. <pro...@co...>]

Problem fixed, inadvertantly had two different versions of gnuplot
installed, one in /usr/local/bin and one in /usr/bin.  The one
in /usr/local/bin/works correctly.  Sorry for the uneeded traffic.

Justace

On Sat, 2005-04-02 at 07:35 -0600, Justace Clutter wrote:
> Hey everybody,
> 
> 	So, I have just encountered a small problem.  I usually create a
> gnuplot script that can just be executed from the command line in Linux.
> I do this throught the #! style.  Here is the thing though, I want to
> use sprintf.  When I use sprintf in an interactive session it works
> fine.  When I put this line in a script I get the following error:
> 
> gnuplot> blah = sprintf("Hello")
>                         ^
>          "./cost", line 54: invalid expression
> 
> 	I will include the script just below so that we can see if I am missing
> anything.  I am running version 4.1 patchlevel 0.  Thanks for any
> information.
> 
> 
> --------------------Script Below
> #!/usr/bin/gnuplot
> 
> budget         = 1000
> 
> gas_rate       = 2.20
> trip_distance  = 1400
> 
> auto_insurance = 24.95
> 
> car_mpg        = 25
> car_cost       = 30 + auto_insurance
> car_cap        = 4
> 
> van_mpg        = 15
> van_cost       = 75 + auto_insurance
> van_cap        = 9
> 
> hotel_cost     = 75
> hotel_cap      = 4
> 
> NumberOfVans(x) = ceil(x/van_cap)
> NumberOfCars(x) = ceil(x/car_cap)
> 
> HotelCost(x) = hotel_cost * (ceil(x/hotel_cap))
> VanCost(x)   = NumberOfVans(x)*van_cost +
> NumberOfVans(x)*((trip_distance/van_mpg)*gas_rate)
> CarCost(x)   = NumberOfCars(x)*car_cost +
> NumberOfCars(x)*((trip_distance/car_mpg)*gas_rate)
> 
> TripCostVan(x)  = HotelCost(x) + VanCost(x)
> TripCostCar(x)  = HotelCost(x) + CarCost(x)
> 
> AdditionalCostVanUnbound(x) = (TripCostVan(x)-budget)/x
> AdditionalCostCarUnbound(x) = (TripCostCar(x)-budget)/x
> 
> AdditionalCostVan(x) = AdditionalCostVanUnbound(x)<0 ? 1/0 :
> AdditionalCostVanUnbound(x)
> AdditionalCostCar(x) = AdditionalCostCarUnbound(x)<0 ? 1/0 :
> AdditionalCostCarUnbound(x)
> 
> set title "Cost of the SPS Fermilab Trip"
> set xlabel "Person Count"
> set ylabel "Cost"
> 
> set samples 10000
> set xrange [1:30]
> set yrange [0:2000]
> set y2range [0:100]
> 
> set key left
> set xtics 1
> set ytics auto 
> set ytics nomirror
> set y2tics auto 
> set y2tics nomirror
> 
> #blah = gprintf("Gas Rate %2.2f", gas_rate)
> blah = sprintf("Hello")
> 
> set label blah at .2,.7
> 
> plot TripCostVan(x) with lines title "Vans", TripCostCar(x) with lines
> title "Cars", \
>  AdditionalCostVan(x) with lines axes x1y2 title "Additional Cost
> (Van)", \
>  AdditionalCostCar(x) with lines axes x1y2 title "Additional Cost
> (Car)", \
>  budget with lines title ""
> 
> pause -1
> 
> 
> 
> 
> 
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