Re: [Gnuplot-info] problem with 'if'

[atoms.h <sto...@gm...>]

Thanks a million!


Thomas Sefzick wrote:
> 
> "==" and "!=" work for numerical values not for strings.
> instead use the 'strstrt()' function:
> if (strstrt("horizontal",cut_style)!=0) ...
> 
> 
> atoms.h wrote:
>> 
>> Hi there,
>> 
>> i'm using a script where i have some possibilities of changing the style
>> of plotting by call parameters. However, for some reason one of them
>> doesn't work.
>> 
>> First up here's what DOES work:
>> I call the script like this 
>>   $ call 'scale_new.gp' "horizontal"
>> 
>> whithin i define:
>> 
>>   cut_style="$0"
>>  
>> single_1=top_level.sub_level."/pzr_cuts".which_cut.cut_style."_cut/cut1/"
>>   if(cut_style=="horizontal" && cut_style!="radial") set xrange
>> [-1.5:1.5]; set xtics -1.5,0.5; set yrange [0:*]
>>   if(cut_style=="radial" && cut_style!="horizontal") set xrange [0:180];
>> set xtics 0,15; set yrange [0:*]
>> 
>> (it does NOT work with an if else statement!)
>> 
>> Now what doesn't work is the following:
>>   $ call 'scale_new.gp' "horizontal" "print"
>> 
>> i've defined:
>> 
>>   plt_style="$1"
>>   if(plt_style=="print" && plt_style!="plot") set term postscript
>> landscape enhanced color 16; set output
>> top_level.sub_level."/pzr_cuts".which_cut.cut_style."20100402.ps"
>>   if("$1"=="plot" && plt_style!="print" ) set term wxt enhanced
>> 
>> As a remark i should say that i'm using this strange if and if not
>> statement because it doesn't work at all if i don't.
>> After all i come to suspect that either there is something fishy whith
>> the if statement or i simply don't understand it properly.
>> In either way help is appreciated!
>> 
>> Thomas 
>> 
> 
> 

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