Re: File size limits in textread()?

[Keith Goodman]

On 6/10/05, Stefan van der Walt <address@hidden> wrote:
> Here's a much faster version of the code posted earlier.

Wow. It is fast. Can someone change the output of tread to be a matrix
for numbers instead of a cell (see below)?

>> fid = fopen("x","wb");
>> text = "1 2 a b\n";
>> for i = 1:6000;fprintf(fid,text);end
>> fclose(fid);
>> tic; [d1,d2,s1,s2] = textread("x","%d %d %s %s"); toc
ans = 11.860
>> tic; [d12,d22,s12,s22] = tread("x","%d %d %s %s"); toc
ans = 0.086523
>> isequal(s1,s12)
ans = 1
>> isequal(d1,d12)
error: binary operator `==' not implemented for `matrix' by `cell' operations
error: evaluating binary operator `==' near line 54, column 22
error: evaluating argument list element number 1
error: evaluating assignment expression near line 54, column 9
error: evaluating if command near line 27, column 5
error: evaluating for command near line 25, column 3
error: called from `isequal' in file
`/usr/local/share/octave/2.9.3/site/m/octave-forge/general/isequal.m'
>> whos d1 d12

*** local user variables:

  Prot Name        Size                     Bytes  Class
  ==== ====        ====                     =====  =====
   rwd d1          1x6000                   48000  matrix
   rwd d12         1x6000                   48000  cell

Total is 12000 elements using 96000 bytes



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