On Jun 21, 5:13 pm, Stephen Hansen <me+list/pyt...@ixokai.io> wrote: > On 6/21/10 4:26 PM, davidgp wrote: > > > > > > > ah, i see :P > > float("45.34") or whatever does work fine, but the problem is that i'm > > reading it from a text file. so somehow it is not a real string or > > whatever.. > > here's a part of the code: > > f = open ('/home/david/out.txt', 'r') > > > for line in f: > > if tel ==6: > > buf = line.replace('\n', '') > > lat = float(buf) > > if tel ==7: > > buf = line.replace('\n', '') > > lng = float(buf) > > > basically it goes wrong in the last part where i try to convert the > > line to a float.. > > i'm 100% sure that it's getting a number, not a text string > > First: you don't have to strip \n's. Try float("45.43\n") > > Second: this code, as is, can't run to show us the problem because > there's this "tel" business and I don't know what it is. But I'll tweak > it a bit and: > > f = open ('/Users/ixokai/out.txt', 'r') > > tel = 6 > for line in f: > if tel == 6: > buf = line.replace('\n', '') > lat = float(buf) > print lat > if tel == 7: > buf = line.replace('\n', '') > lng = float(buf) > > And it works fine with a dummy data file I have. So... the problem is > somewhere else. Its either in your data file, or some other logic going > on (maybe something related to this 'tel' thing, I don't know). > > Are you sure there's no lines in out.txt which have, say, some text (on > the left end)? Or maybe some blank lines? > > Maybe you should send the whole file and the data.txt if you don't see > where the problem is. > > -- > > Stephen Hansen > ... Also: Ixokai > ... Mail: me+list/python (AT) ixokai (DOT) io > ... Blog:http://meh.ixokai.io/ > > signature.asc > < 1KViewDownload
i found the error! apparently something was going wrong in the loop.. thanks for the help! -- http://mail.python.org/mailman/listinfo/python-list