On Tue, Oct 6, 2009 at 10:08 PM, Bruce Southey <bsout...@gmail.com> wrote: > On Tue, Oct 6, 2009 at 4:04 PM, Pierre GM <pgmdevl...@gmail.com> wrote: >> >> On Oct 6, 2009, at 4:43 PM, Christopher Barker wrote: >> >>> Pierre GM wrote: >>>>> I think that the default invalid_raise should be True. >>>> >>>> Mmh, OK, that's a +1/) for invalid_raise=true. Anybody else ? >>> >>> yup -- make it +2 -- ignoring erreos and losing data by default is a >>> "bad idea"! >> >> OK then, that's enough for me: I'll put invalid_raise as True by >> default. Note that a warning was emitted no matter what. >> >> >>> >>>>> One 'feature' is that there is no way to indicate multiple >>>>> delimiters >>>>> when the delimiter is whitespace. >>>>> A B C D >>>>> 1 2 3 4 >>>>> 1 4 5 >>> >>> I'd say someone has made a very poor choice of file formats! > > No, just seeing what sort of problems I can create. This case is > partly based on if someone is using tab-delimited then they need to > set the delimiter='\t' otherwise it gives an error. Also I often parse > text files so, yes, you have to be careful of the delimiters. It is > also arises because certain programs like spreadsheets there is the > option to merge delimiters - actually in SAS it is default (you need > to specify the DSD option). > >>> >>> Unless this s a fixed width file, in which case it should be processes >>> as such, rather than as a delimited one. I suppose it wouldn't hurt to >>> add that feature to genfromtxt.. or is it there already. Perhaps >>> that's >>> what this means: >>> >>>> Have you tried using a sequence of integers for the delimiter ? >> >> Yes, if you give a sequence of integers as delimiter, it is >> interpreted as the length of each field. At least, should be. > > More to learn and test. >
There's an example on using the fixed-width delimiter here: http://docs.scipy.org/numpy/docs/numpy.lib.io.genfromtxt/ As far as I know, it works fine. > Anyhow, I am really impressed on how this function works. > Agreed. Genfromtxt and the derived are very useful. Skipper _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
