As a (paranoid?) safety device in a "fit'n'forget" utility, I'm trying to write code to go in a given script which will warn when that script will unintentionally alter -- or has altered -- an existing name in the _z_ locale.
NB: "alter", not merely "overwrite" -- though a slick way of detecting overwrite would be worth knowing too. APL+Win attaches a timestamp to each fn, which makes this task easy. It would be nice not to have to maintain -- by-hand -- an explicit list up-front, of names created by the script. An allied question: how best can I "snapshot" a given locale -- such as _z_? That is: create a second temporary locale _sav_ with identical contents? I can only think of brute-force: enumerating the names in _z_ and copying them one-by-one to _sav_. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
