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Groups > comp.lang.python > #45454
| Date | 2013-05-16 15:00 -0500 |
|---|---|
| From | Tim Chase <python.list@tim.thechases.com> |
| Subject | Re: Number of cells, using CSV module |
| References | <5f4aec0e-5cfa-445f-af50-67cca7caae36@googlegroups.com> <mailman.1769.1368729617.3114.python-list@python.org> <8662be9c-e50c-48e9-86dc-1838c6188d0c@googlegroups.com> <CANc-5UxXaijcEDDM7moKn=KphRco5S+fA+innG1PQ4EM=W0PPQ@mail.gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.1775.1368734307.3114.python-list@python.org> (permalink) |
On 2013-05-16 14:07, Skip Montanaro wrote: > > len(reader) gives me an error. > > Apologies. len(list(reader)) should work. Of course, you'll wind > up loading the entire CSV file into memory. You might want to just > count row-by-row: > > n = 0 > for row in reader: > n += 1 which can nicely be rewritten as n = sum(1 for row in reader) :-) -tkc
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Number of cells, using CSV module tunacubes@gmail.com - 2013-05-16 11:29 -0700
Re: Number of cells, using CSV module Skip Montanaro <skip@pobox.com> - 2013-05-16 13:40 -0500
Re: Number of cells, using CSV module tunacubes@gmail.com - 2013-05-16 11:50 -0700
Re: Number of cells, using CSV module Skip Montanaro <skip@pobox.com> - 2013-05-16 14:07 -0500
Re: Number of cells, using CSV module Tim Chase <python.list@tim.thechases.com> - 2013-05-16 15:00 -0500
Re: Number of cells, using CSV module tunacubes@gmail.com - 2013-05-16 11:53 -0700
Re: Number of cells, using CSV module Skip Montanaro <skip@pobox.com> - 2013-05-16 14:08 -0500
Re: Number of cells, using CSV module Tim Chase <python.list@tim.thechases.com> - 2013-05-16 15:01 -0500
Re: Number of cells, using CSV module tunacubes@gmail.com - 2013-05-16 13:11 -0700
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