The inverse of "compress" is "expand": 1 1 0 1 # 'help' hep 1 1 0 1 #^:_1 ] 'hep' he p
It's not a true inverse as it cannot restore lost information so puts the (type-appropriate) fill character in the expansion places. On Thu, Jun 21, 2012 at 11:27 AM, David Vaughan <purpleblue...@gmail.com> wrote: > Thanks, this seems to work, however I am a little confused about what #inv > (#^:_1) actually does - could you explain that please? -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
