*! version 1.0.0 02/02/93 extrname utility; STB-13: dm13 program define _crcexnd /* fname mname lname */ version 3.0 local fn "`1'" local mn "`2'" local ln "`3'" replace `fn'="" if `fn'=="." replace `mn'="" if `mn'=="." replace `fn'=substr(`fn',1,1) if length(`fn')==2 & substr(`fn',2,1)=="." replace `mn'=substr(`mn',1,1) if length(`mn')==2 & substr(`mn',2,1)=="." replace `ln'=substr(`ln',1,1) if length(`ln')==2 & substr(`ln',2,1)=="." compress `fn' `mn' `ln' end