Re: "Dimension sizes of left hand and right hand side of assignment do not match"

Michael,

With your sample file, you may try the following code.
The main problem with your code is that "file" is a reserved word in
NCL.

Regards,

Wei

huangwei@ucar.edu
VETS/CISL
National Center for Atmospheric Research
P.O. Box 3000 (1850 Table Mesa Dr.)
Boulder, CO 80307-3000 USA
(303) 497-8924

-----------------------
do i=0,0
    ii=i+1
    ic=new((/1/),string)
    ic=ii

    fl="f"+ic
    vars = asciiread(fl,-1,"string")
    print(vars)
    strs = str_get_field(vars, 2, " ")
    print(strs)
    var_of_interest = stringtofloat(strs)
    print(var_of_interest)
    delete(strs)
    delete(var_of_interest)

    strs = str_get_cols(vars, 24, 25)
    print(strs)
    var_of_interest = stringtofloat(strs)
    print(var_of_interest)
    delete(vars)
    delete(strs)
    delete(var_of_interest)
end do

On Mar 11, 2010, at 10:58 AM, Shaw, Michael wrote:

> Hello.
>
> I'm using ncl 5.1.1. In a do loop that updates file names (“file”
> here) and reads from those files, I am trying to
>
> vars = asciiread(file,-1,”string”)
> var_of_interest=stringtofloat(str_get_cols(vars,beg_col,end_col))
>
> However, I get the “Dimension sizes of left hand and right hand side
> of assignment do not match” at the line number for the
> “vars=asciiread…” after the first do loop iteration. It looks like
> this kind of thing is a pretty common problem to stumble upon (via
> googling for this), but when I try and implement the suggested
> fixes, they don't seem to work (e.g., deleting used arrays after
> they've been used, i.e., after the "var_of_interest=..." line,
> trying to do different things with the dimensioning/sizing of the
> vars, etc.).
>
> Any suggestions?
>
> Sample code:
>
> "do i=0,9-1
>
> ii=i+1
> ic=new((/1/),string)
> ic=ii
>
> file="/home/"+ic
> vars = asciiread(file,-1,"string")
> var_of_interest = stringtofloat(str_get_cols(vars,28,30))
> print(var_of_interest)
> ;delete(vars)
> ;delete(var_of_interest)
> end do"
>
> And it might be working on ascii files like one called "1" looking
> like:
>
> "Bogus ascii file
> blahblahblah 123
> blahblahblah 321"
>
> There might be 9 of these files, called "1" through "9".
>
> Thanks!
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Received on Thu Mar 11 11:13:37 2010