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BEGIN
  EXTERNAL REF (Infile) PROCEDURE findinfile;
  EXTERNAL REF (Directfile) PROCEDURE finddirectfile;
  EXTERNAL REF (Outfile) PROCEDURE findoutfile;
  EXTERNAL TEXT PROCEDURE front,scanto,getitem;
  EXTERNAL INTEGER PROCEDURE maxint,search,splita,hash,arrlgd;
  EXTERNAL PROCEDURE split,arrtxt;
  EXTERNAL BOOLEAN PROCEDURE puttext;
  EXTERNAL TEXT PROCEDURE conc,upcase,frontstrip,rest,checkextension;
  EXTERNAL CHARACTER PROCEDURE fetchar,findtrigger;
  EXTERNAL LONG REAL PROCEDURE scanreal;
  EXTERNAL INTEGER PROCEDURE checkreal,checkint,scanint,ilog;
  EXTERNAL BOOLEAN PROCEDURE menu;
  EXTERNAL CLASS safeio,simdbm;
  simdbm("","","",68,TRUE) BEGIN
    REF (basespec) dokbas,keybas;
    REF (basespec) prevbase;

    CLASS basespec(df,rl,top,gk,bs,bsc,arrc,stbuff,rslist,frl);
    ! for set handling: one more parameter:
      ref (setspec) sslist;
    REF (Directfile) df; INTEGER rl,top,gk; REF (rspec) rslist;
    TEXT bs,arrc,stbuff; CHARACTER bsc; REF (ilist) frl;
    BEGIN
      PROCEDURE setbase;
      BEGIN
! save again those variables which might have been
changed for the previous base;
	INSPECT prevbase DO
	BEGIN top:=oflowtop; gk:=gen_key; frl:-freelist; END;
	prevbase:-THIS basespec;
	d__file:-df; rlength:=rl; oflowtop:=top;
	gen_key:=gk; backslash:-bs; cback:=bsc;
	arrchar:-arrc; store_buff:-stbuff;
	recordspec:-rslist; freelist:-frl;
	! for set handling: stab:-sslist;
      END setbase;
    END basespec;

    REF (basespec) PROCEDURE savebase;
    savebase:-prevbase:-
    NEW basespec(d__file,rlength,oflowtop,gen_key,backslash,
    cback,arrchar,store_buff,recordspec,freelist);
    ! for set handling, one more parameter: stab;


    !  ------------  START OF MAIN  ----------------;

    ! example of two bases used in paralell by means of
      the class BASESPEC and the procedure SAVEBASE;

    ! open bases and set pointers to their definitions;
    openbase("padok.bas",238); dokbas:-savebase;
    openbase("padkey.bas",78); keybas:-savebase;

    ! actualize base of documents, and read one document;
    dokbas.setbase;
    tabulate(get("19645","DOKUMENT"));
    ! actualize base of keywords and read one keyword record;
    keybas.setbase;
    tabulate(get("BOK","KEYWORD"));
    closebase;
    dokbas.setbase; closebase;

    eof:
  END;
END;