Thank you Samuel, this works like a charm, even though the last step
(evstr) takes a couple of minutes (80000 lines!).
For a completely different solution: read the file into emacs, define a
rectangle of width 20 chars and height the whole file, delete this
rectangle, search for ".1" and erase every occurence of this string.
Thanks to everybody,
JP Grivet
Le 12/10/2015 14:26, grivet a écrit :
Hello,
I have a data file of about 80k lines. A typical line looks like this:
01/03/2015 00:01:00;5.49;1
(date time; value;parameter). I am only interested in the field
"value", which can be 3 or 4
characters wide (i.e. 5.49 or 5.4).
How can I extract the desired data from this file ?
.
Likely with
M = csvRead(TheFileName, ";", ".", "string");
values = evstr(M(:,2));
Samuel Gougeon
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