Re: Trying to extract data after several non-data lines

[Jaroslav Hajek]

On Mon, Jan 25, 2010 at 5:38 AM, Jason Hsu, Linux user
<address@hidden> wrote:
> I'm trying to process data in a file.
>
> The first part of the file consists of several lines that are irrelevant as 
> far as the data processing goes.
>
> The last line before the data begins reads 
> "X_Value,Voltage_wrist,Voltage_midarm,Comment".
>
> The data consists of three columns of comma-separated floating-point numbers.
>
> I'm using the fgetl command to read the lines in the file.  But I can't 
> figure out for the life of me how to get the algorithm to notice 
> "X_Value,Voltage_wrist,Voltage_midarm,Comment" so it can start switching to a 
> different mode.
>
> Can someone shed some light on how to get the algorithm to notice that 
> particular line?
>
> --
> Jason Hsu, Linux user <address@hidden>

do
  line = fgetl (fid);
  line(isspace (line)) = []; # ignore whitespace
until strcmp (line, "X_Value,Voltage_wrist,Voltage_midarm,Comment");

# begin normal processing

-- 
RNDr. Jaroslav Hajek, PhD
computing expert & GNU Octave developer
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz