loop through each line in a text file
qtrimble
qtrimble at gmail.com
Fri Feb 26 16:21:26 EST 2010
On Feb 26, 4:14 pm, OdarR <olivier.da... at gmail.com> wrote:
> On 26 fév, 22:08, qtrimble <qtrim... at gmail.com> wrote:
>
>
>
> > I'm a python newbie but I do have some basic scripting experience. I
> > need to take the line starting with "wer" and extract the year and day
> > of year from that string. I want to be able to add the year and day
> > of year from the last line having "wer*" to the lines occurring in
> > between "wer*" lines. Python seems suitable to do this and I'm fairly
> > certain I can eventually get this to work but I've been hit with a
> > very short time frame so I'm looking for any generous help. The data
> > below is just a sample. There are well over 500,000 lines that need
> > processed.
>
> > wer1999001
> > 31.2234 82.2367
> > 37.9535 82.3456
> > wer1999002
> > 31.2234 82.2367
> > 37.9535 82.3456
>
> did you try something as a working basis ?
>
> Olivier
Yes but it's very simple -
fileIN = open(r"C:\testing.txt", "r")
for line in fileIN:
year = line[3:7]
day = line[7:10]
print year, day
This is good since i can get the year and day of year into a variable
but I haven't gotten any further.
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