Gophernicus Env Vars : => filtering on: '.' 
             [[ filter examples : '^[HGS]' ; 'PORT' ; 'ADDR$' ]] 
 (QRY)  filter
 (DIR)  reset
 (DIR)  <<=
       ________________Variable : Value________________________________________ 
                   HTTP_REFERER : gopher://sdf.org:70/0/users/wisdomc0/article_assembly/assembly_16_bit_virus_technics 
                        _rc_pid :  
                    SERVER_PORT : 70 
                SERVER_CODENAME : Dungeon Edition 
                SCRIPT_FILENAME : /ftp/pub/users/tdc/cgi-bin/env_vars.awk 
                 REQUEST_METHOD : GET 
                    SERVER_HOST : sdf.org 
              GATEWAY_INTERFACE : CGI/1.1 
                 GOPHER_CHARSET : UTF-8 
                       SELECTOR : /users/tdc/cgi-bin/env_vars.awk 
                 SERVER_VERSION : Gophernicus/3.1.1 
                   QUERY_STRING :  
                           PATH : /usr/bin:/bin 
                    REMOTE_ADDR : 185.138.197.245 
                SERVER_SOFTWARE : Gophernicus/3.1.1 (NetBSD/amd64 9.3) 
                           HOME : / 
                  SEARCHREQUEST :  
                        REQUEST : /users/tdc/cgi-bin/env_vars.awk 
                    SCRIPT_NAME : /users/tdc/cgi-bin/env_vars.awk 
                SERVER_PROTOCOL : RFC1436 
                  DOCUMENT_ROOT : /ftp/pub 
           _rc_postprocessor_fd :  
                        COLUMNS : 80 
                    SERVER_ARCH : NetBSD/amd64 9.3 
                 CONTENT_LENGTH : 0 
         _rc_original_stderr_fd :  
                     LOCAL_ADDR : 205.166.94.16 
                     SESSION_ID : 61168d41 
                 GOPHER_REFERER : gopher://sdf.org:70/0/users/wisdomc0/article_assembly/assembly_16_bit_virus_technics 
                SERVER_TLS_PORT : 0 
                    SERVER_NAME : sdf.org 
                         RC_PID :  
                            PWD : / 
            HTTP_ACCEPT_CHARSET : UTF-8 
         _rc_original_stdout_fd :  
                GOPHER_FILETYPE : 0 
             SERVER_DESCRIPTION : SDF Public Access UNIX System 
       ________________________________________________________________________
                   created with : awk version 20121220, NetBSD/amd64 9.3