x=: 'case_id', LF, 'GCTAGTCG', LF, 'ACGTC', LF ;:' '((x=LF)#i.$x)}x
┌───────┬────────┬─────┐ │case_id│GCTAGTCG│ACGTC│ └───────┴────────┴─────┘ Linda -----Original Message----- From: programming-boun...@forums.jsoftware.com [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Marc Bourassa Sent: Tuesday, November 25, 2014 7:51 PM To: programm...@jsoftware.com Subject: Re: [Jprogramming] Split on first found character first_found=. 13 : 'CR-.~ y{.~ y i.LF' first_found (13{a.) -.~ ] {.~ (10{a.) i.~ ] (#;]) first_found 'abc' ┌─┬───┐ │3│abc│ └─┴───┘ (#;]) first_found 'abc',LF,'123' ┌─┬───┐ │3│abc│ └─┴───┘ (#;]) first_found 'abc',CRLF,'123' ┌─┬───┐ │3│abc│ └─┴───┘ (#;]) first_found 'abc',CRLF,'123',LF ┌─┬───┐ │3│abc│ └─┴───┘ (#;]) first_found 'abc',CRLF,'123',CRLF ┌─┬───┐ │3│abc│ └─┴───┘ 2014-11-25 11:41 GMT-05:00 chris burke < <mailto:cbu...@jsoftware.com> cbu...@jsoftware.com>: > > When I feel like programming defensively, I'll ensure that the last > character > is LF (and remove any CRs) like this: > > This is done by freads, unlike fread which returns the raw data. > > On Tue, Nov 25, 2014 at 7:44 AM, Devon McCormick < > <mailto:devon...@gmail.com> devon...@gmail.com> > wrote: > > > I usually split on the last character using "cut" like this: > > > > <;._2 fread 'some.file' > > > > When I feel like programming defensively, I'll ensure that the last > > character is LF (and remove any CRs) like this: > > > > <;._2 LF (],[#~[~:[:{:]) CR-.~]0 : 0 Four-score and seven years > > ago, our fathers brought forth upon this continent a new nation, > > conceived in liberty and dedicated to the proposition that all men > > are created equal. > > ) > > > > > > On Tue, Nov 25, 2014 at 10:26 AM, 'Pascal Jasmin' via Programming < > > <mailto:programm...@jsoftware.com> programm...@jsoftware.com> wrote: > > > > > The spec (Fasta) can be revised to splitting on all LFs, where the > first > > > box is the control data, and subsequent boxes are the package. > > > > > > <http://rosalind.info/glossary/fasta-format/> > > > http://rosalind.info/glossary/fasta-format/ > > > > > > If so, you can grab all of the records from the sample link with > > > this expression (copy records on clipboard, uses j8 clipboard > > > access) > > > > > > cutLF each '>' cut wdclippaste '' > > > > > > The reason for the LFs in the payload as I understand it is to > > > separate > > it > > > into processing chunks. Having them boxed works for this, but if > > > you > > ever > > > need to put the LFs back, or join them into a single string > > > > > > LF joinstring ;/ 'abc' > > > a > > > b > > > c > > > > > > '' joinstring ;/ 'abc' > > > ; ;/ 'abc' NB. or this > > > abc > > > > > > > > > to extend Joe's solution > > > > > > (>@:{. ; ;@}.)@:cutLF each '>' cut > > > > > > > > > > > > > > > ----- Original Message ----- > > > From: Joe Bogner < <mailto:joebog...@gmail.com> joebog...@gmail.com> > > > To: <mailto:programm...@jsoftware.com> programm...@jsoftware.com > > > Cc: > > > Sent: Tuesday, November 25, 2014 6:00 AM > > > Subject: Re: [Jprogramming] Split on first found character > > > > > > I might do it this way: > > > > > > (>@:{. ; ;@}.)@(LF&cut) x > > > > > > ┌───────┬─────────────┐ > > > > > > │case_id│GCTAGTCGACGTC│ > > > > > > └───────┴─────────────┘ > > > > > > > > > > > > > > > On Tue, Nov 25, 2014 at 5:47 AM, Jan-Pieter Jacobs < > > > <mailto:janpieter.jac...@gmail.com> janpieter.jac...@gmail.com> wrote: > > > > > > > I think I would solve it like this (with intermediate steps): > > > > > > > > x=: 'case_id', LF, 'GCTAGTCG', LF, 'ACGTC', LF > > > > > > > > NB. Find the locations of LF's in the string (LF = ]) x > > > > > > > > NB. assign 0 to everything before the LF, assign 1 to everything > after > > it > > > > ([: +./\ LF = ]) x > > > > > > > > NB. The wonderful "key" adverb lets you apply verbs based on > > > > it's key (another array), eg. box (</.~ [: +./\ LF =]) x > > > > > > > > NB. Get rid of the LF's by replacing < by a version removing LF: > > > > ((<@#~ LF~:])/.~ [: +./\ LF = ]) x > > > > > > > > This is what I came up with, but smarter people will probably > > > > suggest > > > more > > > > elegant ways. > > > > > > > > I hope this is useful. > > > > Jan-Pieter > > > > > > > > 2014-11-25 11:00 GMT+01:00 Ryan < <mailto:rec...@bwh.harvard.edu> > > > > rec...@bwh.harvard.edu>: > > > > > > > > > I have a character array with LF's, and want to split it on > > > > > the first LF, and remove the remaining LF's. I'm wondering if > > > > > there's > a > > > > > simpler > > > > > way than what I'm doing now: > > > > > > > > > > x=: 'case_id', LF, 'GCTAGTCG', LF, 'ACGTC', LF > > > > > > > > > > filterLF=: #~ ~:&LF > > > > > headLF=: {.~ i.&LF > > > > > tailLF=: }.~ i.&LF > > > > > (headLF ; filterLF@tailLF) x > > > > > ┌────────┬─────────────┐ > > > > > │>case_id│GCTAGTCGACGTC│ > > > > > └────────┴─────────────┘ > > > > > > > > > > (I'm reading text files in fasta format: > > > <http://rosalind.info/glossary/> http://rosalind.info/glossary/ > > > > > fasta-format/) > > > > > > > > > > Thanks for any suggestions, > > > > > Ryan > > > > > > > > > > > > > > > > > > > > The information in this e-mail is intended only for the person > > > > > to > > whom > > > it > > > > > is > > > > > addressed. If you believe this e-mail was sent to you in error > > > > > and > > the > > > > > e-mail > > > > > contains patient information, please contact the Partners > Compliance > > > > > HelpLine at > > > > > <http://www.partners.org/complianceline> > > > > > http://www.partners.org/complianceline . If the e-mail was > > > > > sent to > > you > > > > in > > > > > error > > > > > but does not contain patient information, please contact the > > > > > sender > > and > > > > > properly > > > > > dispose of the e-mail. > > > > > > > -------------------------------------------------------------------- > > -- > > > > > For information about J forums see > > <http://www.jsoftware.com/forums.htm> http://www.jsoftware.com/forums.htm > > > > > > > > ---------------------------------------------------------------------- > > > > For information about J forums see > <http://www.jsoftware.com/forums.htm> http://www.jsoftware.com/forums.htm > > > > > > > ------------------------------------------------------------------ > > > ---- For information about J forums see > > > <http://www.jsoftware.com/forums.htm> http://www.jsoftware.com/forums.htm > > > ------------------------------------------------------------------ > > > ---- For information about J forums see > > > <http://www.jsoftware.com/forums.htm> http://www.jsoftware.com/forums.htm > > > > > > > > > > > -- > > Devon McCormick, CFA > > -------------------------------------------------------------------- > > -- For information about J forums see > > <http://www.jsoftware.com/forums.htm> http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see <http://www.jsoftware.com/forums.htm> > http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see <http://www.jsoftware.com/forums.htm> http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
