2010/7/28 Roger Hui <[email protected]>: > Negative indexing and index origin 1 can co-exist. e.g. > > 3 1 4 2 X 'abcd' > cadb > _1 _2 _3 _4 X 'abcd' > dcba
Indeed. Older versions of perl have a feature where you can change the index origin (for arrays and strings) to one -- this has been depreciated in newer versions for a while now. Perl also has negative indexing. And, indeed, this is how perl interprets negative indices when index origin is one. Ambrus ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
