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Groups > comp.lang.python > #45450
| References | <5f4aec0e-5cfa-445f-af50-67cca7caae36@googlegroups.com> <mailman.1769.1368729617.3114.python-list@python.org> <8662be9c-e50c-48e9-86dc-1838c6188d0c@googlegroups.com> |
|---|---|
| Date | 2013-05-16 14:07 -0500 |
| Subject | Re: Number of cells, using CSV module |
| From | Skip Montanaro <skip@pobox.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.1770.1368731278.3114.python-list@python.org> (permalink) |
> 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
Skip
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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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