Problems with fileread

[Terry Duell]

Hullo All,
I am running Octave 3.6.1, and have encountered a difficulty with fileread.
I am advised that the code segment (runtestdata.m) below which reads the  
test data from a file (testdata) OK in Matlab and displays the data as  
expected, but does not work for me in Octave.
In Matlab the code reads the data in the first 3 records into 'header',  
then reads the values '0.30, 0.21...' etc into 'data', then does a str2num  
conversion on 'data' to put the values into 'y'.
Here, in Octave, the string 'data' starts out as follows...
0





0
.
2
1

I guess some tweaking of the character counts (104, 105) will affect that,  
but I wouldn't have expected the behaviour of Octave and Matlab to be  
different.
In addition, if I check the size of 'y' after the str2num conversion, the  
response is ...
ans =

   0   0

Is the behaviour I'm seeing the result of a bug?


runtestdata.m
-----------------
dd=fileread("testdata");
header=dd(1:104);
data=dd(105:end);
y=str2num(data);
figure
plot(y)
grid on
drawnow

testdata
----------
 DLEFT
 Survey Date : : 30-10-90 12:22:18, 1,   Test 1, 2,   Test 2  (DETRENDED)
 18234 11.83
   0.30
   0.21
   0.40
   0.40
   0.31
   0.20
   0.29
   0.22
   0.26
   0.26
   0.35
   0.42
   0.44
   0.65
   0.59
   0.59
   0.61
   0.62
   0.62
   0.68
   0.68
   0.70
   0.66
   0.65
   0.75

--
Regards,
Terry Duell