PROGRAM SortDemo;
{TPDB Version 3.14}
{Copyright 1991 Brian Corll}

Uses Crt,TPDB,TPDBSort,TPDBStr;


{Declare a FAR function which creates the sort key expression.}
{This function MUST call the SortFile object, as shown.}
{$F+}
FUNCTION MakeKey : DBKey;{This function MUST return the type DBKey !}
BEGIN
        MakeKey := Substr(For2Eng(SortFile^.Field(1),ForTable,EngTable),1,1);
END;
{$F-}

BEGIN
Writeln('Sorting TEST.DBF to SORT.DBF....');
        {Set the VAR SortFunc equal to the sort key function.}
        SortFunc := MakeKey;
        {Then call the sort with the SortFunc VAR and the input and output files.}
        SortOn(SortFunc,'test.dbf','sort.dbf');
Writeln('Sort complete !');
END.