> Peter, my English is weak, I'm sorry . > I'm happy for you saved your invaluable time using > abbreviations. But what does it mean "tclsh" ? It drives me > absolutely upset, when I can't solve the sort of puzzles, you > proposed regularly. > Thank You in advance. Mike. Blame Kerningham & Ritchie :-) It's all to do with C & Unix and one of the primary objectives is to make the language, the Operating System and everything associated with it as terse & obfuscated (compact & confusing) as possible. Or so I'm told :-) RM -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics