It would be ideal if you would file this as a "wishlist" bug in the tracker at https://savannah.gnu.org/bugs/?group=pspp. That way the request will not get lost.
Rob Messer <rmes...@intellisurvey.com> writes: > John, > > Ok, that is good to know. So I guess consider this a feature > request to add that to some future release. If the method > sometimes returns undef because the file header doesn't have > the info that then is reasonable enough, but at least we could > show progress in most cases. Thank you, > > Rob > > On May 22, 2011, at 1:20 AM, John Darrington wrote: > >> It should be very straightforward. Most .sav files contain a header field >> indicating the number of cases. However, occasionally we've encountered >> files >> which don't have this field. So the perl program would have to be prepared >> to >> handle this case. >> >> J' >> >> On Fri, May 20, 2011 at 11:16:26AM -0700, Rob Messer wrote: >> We have been using the PSPP::Perl interface to read data from .sav files >> into our database, and it works very well for that purpose. >> >> Sometimes the files we read are rather large, and so it takes some time >> to load the data. We like to be able to show progress to the user who is >> loading their data, so we need to know the total number of records to be >> loaded. But right now, there doesn't appear to be any way to get the total >> number of cases other than scanning through all the records. Is there any >> way to add a method to the Perl API so that we could do something like this: >> >> my $pspp = PSPP::Reader->open($file); >> my $case_count = $pspp->get_num_cases(); >> >> # then load cases to database and show percent complete at various >> points... >> >> >> Thanks, >> >> Rob >> > > > _______________________________________________ > Pspp-users mailing list > Pspp-users@gnu.org > https://lists.gnu.org/mailman/listinfo/pspp-users > -- Ben Pfaff http://benpfaff.org _______________________________________________ Pspp-users mailing list Pspp-users@gnu.org https://lists.gnu.org/mailman/listinfo/pspp-users
