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Re: More octave-forge functions!!!
From: |
David Bateman |
Subject: |
Re: More octave-forge functions!!! |
Date: |
Mon, 29 May 2006 22:46:11 +0200 |
User-agent: |
Mozilla Thunderbird 1.0.6-7.6.20060mdk (X11/20050322) |
Alois Schloegl wrote:
>
> STR2DOUBLE should be very useful for implementing CSVREAD and DLMREAD
>
> function m = cvsread(filename)
> fid =fopen(filename,'r');
> s= char(fread(fid,inf,'char'));
> fclose(s);
> m = str2double(s);
> endfunction
That's cute, though it should be "fclose(fid)", and fread should be
transposed. For complete compatiability shoudn't the delimiters also be
defined, since ";" is not considered a row delimiter. That is
function m = cvsread(filename, row)
if (nargin < 1 || nargin > 2)
print_usage();
endif
if (nargin < 2)
row = 0;
endif
fid =fopen(filename,'r');
s= char(fread(fid,inf,'char')');
fclose(fid);
nline = regexp(s,'\n');
s = s(nline(row)
m = str2double(s,',','\r\n');
endfunction
In a similar vain
function m = dlmread (filename, delim, row)
if (nargin < 1 || nargin > 3)
print_usage();
endif
if (nargin < 3)
row = 0;
endif
if (nargin < 2)
delim = ',';
endif
fid = fopen(filename,'r');
s = char (fread (fid, inf, 'char')');
fclose (fid);
nline = regexp(s,'\n');
s = s(nline(row)
m = str2double(s, delim, '\r\n');
endfunction
Though completely untested...
D.
>
>
>
> Alois
>
>
- Re: More octave-forge functions!!!, (continued)
- Re: More octave-forge functions!!!, David Bateman, 2006/05/29
- Re: More octave-forge functions!!!, Søren Hauberg, 2006/05/29
- Re: More octave-forge functions!!!, David Bateman, 2006/05/29
- Re: More octave-forge functions!!!, Søren Hauberg, 2006/05/29
- Re: More octave-forge functions!!!, Bill Denney, 2006/05/29
- Re: More octave-forge functions!!!, David Bateman, 2006/05/29
- Re: More octave-forge functions!!!, Alois Schloegl, 2006/05/29
- Re: More octave-forge functions!!!,
David Bateman <=
- Re: More octave-forge functions!!!, David Bateman, 2006/05/29
- Re: More octave-forge functions!!!, David Bateman, 2006/05/30
- Re: More octave-forge functions!!!, James R. Phillips, 2006/05/29
- Re: More octave-forge functions!!!, David Bateman, 2006/05/30