"Cut" with an argument of "_2" uses the final character as the "fret", as shown in Ric's example.
On Sun, Dec 19, 2010 at 7:23 PM, David Ward Lambert <[email protected]>wrote: > At first I thought numbers ". would be close. However, it finds > only 3 values per human readable line, I supposed, because the line > feeds aren't recognized as white space. So I wrote: > > 5 4$(#~ _&~:) _".' 'I.@:(LF&=)@]}T > > The amend dictionary entries seem strange, and I figured them out > yesterday. Essentially you can have 3 2 or 1 verbs before } but > multiple verbs are packed into a gerund, causing multiple entries in the > dictionary. > > modified_noun =: ' 'I.@:(LF&=)@]}T replaces in T linefeeds with > spaces. Apparently there is a library function for string replace (or > regular expressions would work). I'm not yet well versed in the j > libraries. > > numerical_data =: _".modified_noun converts to numerical data > substituting infinity for unrecognized words. > > (#~ _&~:) numerical_data is (at the least related to) standard > filtering technique, and removes the non-numbers. > > 5 4$ is an overly direct reshaping according to the request. > > Dave > > On Mon, 2010-12-20 at 06:04 +0800, [email protected] > wrote: > > From: Bo Jacoby <[email protected]> > > Subject: [Jprogramming] Extracting data from a text > > To: Programming forum <[email protected]> > > Message-ID: <[email protected]> > > Content-Type: text/plain; charset=utf-8 > > > > I need elementary advice. Please help me. > > > > I have a text T, retrieved by cut and past from a pdf-document, like > > this: > > > > T =. 0 : 0 > > SN 1990O . . . . . . 9065 134.7 67.3 2.3 > > SN 1990T . . . . . . . 12012 158.9 75.6 3.1 > > SN 1990af . . . . . . 15055 198.6 75.8 2.8 > > SN 1991S . . . . . . . 16687 238.9 69.8 2.8 > > SN 1991U . . . . . . 9801 117.1 83.7 3.4 > > ) > > > > How to produce a 5 row 4 column array containing the numeric data from > > T? > > > > - Bo > > > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
