An "easy" fix for this would be to treat an input other than a char code as input value of 0 (other char) for ;: purposes.
"magic" state machine chars would just be limited to the first 256, but "baggage" could be any. converting to utf8 works though, cutr ": 'a b 1',(u:246),'cd f' ┌─┬─┬────┬─┐ │a│b│1öcd│f│ └─┴─┴────┴─┘ ________________________________ From: bill lam <[email protected]> To: 'Pascal Jasmin' via Programming <[email protected]> Sent: Friday, April 7, 2017 12:47 PM Subject: Re: [Jprogramming] 4x+ speed 2x space improvement to cut the cut in stdlib can handle unicode but cutr cannot. cutr 'a b 1',(u:246),'cd f' |domain error: cutr | (0;(2 2 2$1 1 0 0 1 0 0 3);(a.e.x))&;:y cut 'a b 1',(u:246),'cd f' +-+-+----+-+ |a|b|1öcd|f| +-+-+----+-+ Apparently ;: itself assume there are only 256 character symbols and cannot handle unicode (literal2, literal4). Пт, 07 апр 2017, jprogramming написал(а): > > > cutr =: ' '&$: : (4 : '(0;(2 2 2$1 1 0 0 1 0 0 3);(a. e. x))&;: y') > :.joinstring > > seems to work identically to built-in cut. The speed metrics are on a 100Kb~ > string on amd j806. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
