On Wed, 26 Aug 2009, Matthew Brand wrote: > Thanks for the links. I tried the fapplylines adverb but the computer > grinds along for 30 minutes or so before I pulled the plug. It ends up > using 10Gb of (mainly virtual) memory. There are 40M lines in my file. > > I will use the unix split command to make lots of little files and > (myverb fapplylines)&.> fname to solve the problem.
At a glance, fapplylines itself does not use box. Was it your own code repeatedly appending box to make it slow and memory full? -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
