[Tutor] ignoring certain lines while reading through CSV
joel.goldstick at gmail.com
Sat Jan 28 00:04:15 CET 2012
On Fri, Jan 27, 2012 at 5:48 PM, Abhishek Pratap <abhishek.vit at gmail.com> wrote:
> Hi Joel
> Here is a sample
> ['1', 'AAAAAAA', '4344', '0.001505'] : want to keep this one
> ['#', 'AAAAAAA', '4344', '0.001505'] : and throw this one
Ok, so you are getting single quotes around your data. So do
row.startswith("#") to test your row.
You may be able to test for row=="#" if you always get only the #
in the first position of the row.
> You are right I am checking after parsing. I dint find an option in
> csv.reader to ignore lines.
> On Fri, Jan 27, 2012 at 2:42 PM, Joel Goldstick
> <joel.goldstick at gmail.com> wrote:
>> On Fri, Jan 27, 2012 at 5:13 PM, Abhishek Pratap <abhishek.vit at gmail.com> wrote:
>>> Hi Guys
>>> I am wondering if there is a keyword to ignore certain lines ( for eg
>>> lines starting with # ) when I am reading them through stl module csv.
>>> Example code:
>>> input_file = sys.argv
>>> csv.register_dialect('multiplex_info',delimiter=' ')
>>> with open(input_file, 'rb') as fh:
>>> reader= csv.reader(fh,'multiplex_info')
>>> for row in reader:
>>> print row
>>> Tutor maillist - Tutor at python.org
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>> You could look up the docs for csv.reader, but if there isn't, in your
>> for loop you can use row.startswith('"#") to check if your line
>> starts with #.
>> Can you show what the row looks like?
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