colsf¶
Purpose¶
Returns the number of columns in a GAUSS data (.dat) file or GAUSS matrix (.fmt) file.
Format¶
-
ncols =
colsf
(fh)¶ - Parameters:
fh (scalar) – file handle of an open file
- Returns:
ncols (scalar) – number of columns in the file that has the handle fh.
Examples¶
// Create filename with full path
dataset = getGAUSSHome() $+ "examples/credit.dat";
// Open file handle for data reading only
fh = dataOpen(dataset, "read");
// Calculate the number of columns in the file created above
ncols = colsf(fh);
call close(fh);
The result will be
ncols = 11
Remarks¶
In order to call colsf on a file, the file must be open.