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Groups > comp.lang.python > #44562
| Date | 2013-04-30 13:19 -0500 |
|---|---|
| From | Tim Chase <python.list@tim.thechases.com> |
| Subject | Re: how to compare two fields in python |
| References | <59afdc2b-ab76-40b6-8f63-4a562e288029@googlegroups.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.1194.1367345875.3114.python-list@python.org> (permalink) |
On 2013-04-30 10:41, upendra kumar Devisetty wrote: > I have a very basic question in python. I want to go through each > line of the a csv file and compare to see if the first field of > line 1 is same as first field of next line and so on. If it finds a > match then i would like to put that field in an object1 else put > that field in a different object2. Finally i would like to count > how many of the fields in object1 vs object2. Can this be done in > python? Here is a small example. > > BRM_1 679 1929 > BRM_1 203 567 > BRM_2 367 1308 > BRM_3 435 509 > As you can see field1 of line1 is same as field2 of line2 and so > that field BRM_1 should be place in object1 and BRM_2 and BRM_3 > should be placed in object2. So the final numbers of object1 is 1 > and object2 is 2. You underdefine the problem. What happens in the case of: BRM_1 ... BRM_1 ... BRM_2 ... BRM_1 ... <-- duplicates a (not-immediately) previous line BRM_3 ... Also, do the values that follow have any significance for this, or are they just noise to be ignored? -tkc
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how to compare two fields in python upendra kumar Devisetty <upendrakumar.devisetty@googlemail.com> - 2013-04-30 10:41 -0700
Re: how to compare two fields in python Joel Goldstick <joel.goldstick@gmail.com> - 2013-04-30 13:53 -0400
Re: how to compare two fields in python Fábio Santos <fabiosantosart@gmail.com> - 2013-04-30 19:08 +0100
Re: how to compare two fields in python Tim Chase <python.list@tim.thechases.com> - 2013-04-30 13:19 -0500
Re: how to compare two fields in python upendra kumar Devisetty <upendrakumar.devisetty@googlemail.com> - 2013-04-30 11:22 -0700
Re: how to compare two fields in python Fábio Santos <fabiosantosart@gmail.com> - 2013-04-30 19:42 +0100
Re: how to compare two fields in python Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-04-30 19:54 -0400
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