Hi, I am trying to get an "if" statement working in my mns file but not having too much luck. Basiclly, i am inserting a symbol (block) from a location on the server and I want the "if" statement to go "if no exist, then insert same named block from this other location" Here is the code I am currently using... Which get's the block from the expansion of the "libpref" eg. p:/tools/cad/" [symbols(dttitle,Detail title)]^C^C(stdins (strcat libpref "lib/stdsym/dttitle")) Any help would be most appreciated. Regards, Devon