Header "From: " is then used to get sender's E-mail address and his/her name, in the case the name is present. The database consists of records. Every record consists of four fields: person's name (Name), E-mail address (E-mail), Organization (Org) and post address (Adr).
Records are sorted by E-mail address. In general, E-mail address is a key field - all other fields might be absent.
The database search is made using s_e_l_e_c_t_o_r_s.::= E= | N= | O= | A= E= - E-mail field is searched, N= - Name field, O= - Org field, A= - Adr field - an arbitrary ASCII characters sequence, which doesn't contain spaces, tabs and round brackets. Intermap program is case insensitive. While evaluating the value of a selector the appropriate field is searched for the substring. If the substring is found the selector gets value 'True', otherwise - 'False'. Special character '^' in a pattern corresponds either to the beginning or to the endo of a field. For example selector N=John gets 'True' value for fields 'John', 'John G. Smith', 'Bill Johnson' and 'Big John', while selector N=^John is true only for 'John' and 'John G. Smith', selector N=John^ is true for 'John' and 'Big John' and selector N=^John^ - only for 'John'. Another special character - '/' - stands for either the beginning or the end of a separate word in a field. Selectors can be combined into logical (boolean) expressions. Separated by spaces lexemes "AND", "A", "&" and "&&" stand for boolean `AND' operation; "OR", "O", "|" and "||" - `OR'; "NOT", "!" and "~" - `NOT'. Operations' priorities are quite usual: NOT, AND, OR in the priority decreasing order. To change the evaluation order one can use round brackets. So to find a person named Ivanov or Sidorov in Moscow the following expression could be used: ( n=ivanov | n=sidorov ) & ( e=msk.su^ | e=msu.su^ | a=moscow ) [ msu.su domain belongs to Moscow State University ] Currently Intermap database "recognises" only three requests: LIST END - print out all records, for which is true. Line feeds do not end a request - it could be continued to several next lines: LIST ( n=ivanov | n=sidorov) and (e=msk.su^ | e=msu.su^ | a=moscow ) end HELP - print out this help QUIT - terminates the Intermap session. Could be usefull if your personal E-mail signature is automatically appended to your outgoing mail (.signature or personal.sig ). On any syntax error this help is printed out and the session terminates. To get this help send an E-mail letter to intermap@botik.yaroslavl.su . The letter should contain the only line help "Subject: " header is ignored. To get info from the database send a letter to the same address. The letter should contain requests. For example: mail intermap@botik.yaroslavl.su Subject: list n=dmitry & n=gryaznov end list n=johnson & e=.edu^ end quit Intermap automatically assigns the limit of 10 Kbytes for replies to requests of a new user. When the limit is exceeded, Intermap stops further processing of the user's requests. For further information, please, contact postmaster@botik.yaroslavl.su