Re: Switch statement

[Ben Abbott]

On Oct 16, 2011, at 4:21 AM, Roy Menachem wrote:

> Hi,
> For some reason when I use switch case statement by comparing strings, it 
> doesn’t work.
> Any idea why? Is there any known problem with a string?
> Example:
> i=1;
> while(i<=parameters_length)   
>                 switch (txt_data(i,19))   ##txt_data  is array of strings
>  
>                                 case 'T1_ps'
>                                                 T1=num_data(i,9);
>  
>                                 case 'T2_ps'
>                                                 T2=num_data(i,9);
>                                 case 'Min_data'
>                                                 min_data=num_data(i,9);
>                                 otherwise
>                                                 printf("no value\n");
>                 endswitch
>                 i++;
> endwhile
>  
>  
> Thanks,
>  
> Roy

I think the problem is with ...

>   switch (txt_data(i,19)) 

txt_data(i,19) returns the 19th character from the ith row of the array. You 
then compare a single character string with strings that are 5 or 6 characters 
long.

I think you want ...

>   switch (strtrim (txt_data(i,1:end)) )

Ben