Текстовый файл - Структура (записи)

[felmor]

Проблема в том, что я незнаю как правильно ввести в текстовик информацию.
помогите пожалуйста

Задание

unit felkurs;
interface
uses CRT;
type
klient=record
 imya:string;
 proc:integer;
 summa:integer;
 ostatok:integer;
end;  
stroenie=record
 posetitel:klient;
 stoimost:integer;
 firma:integer;
 tipstr:string;
end;
procedure vivod;

procedure zapros;

procedure vstavka;

procedure stoimost;

procedure sozdanie;

procedure poisk;

implementation
var g: file of stroenie;
st:integer;
building: stroenie;
procedure vstavka;
var
flag:char;
begin
assign(g,'base.txt');
reset(g);
repeat

clrscr;

seek(g,filesize(g));
Writeln('Kolichestvo klientov v baze dannih: ',filesize(g));
Write('Vvedite imya klienta: ');
readln(building.posetitel.imya);
Write('Vvedite procent po kreditu: ');
readln(building.posetitel.proc);
Write('Vvedite summu vklada v banke: ');
readln(building.posetitel.summa);
Write('Vvedite neviplachenuju summu: ');
readln(building.posetitel.ostatok);
Write('Vvedite stoimost stroeniya: ');
readln(building.stoimost);
Write('Vvedite tipstr stroeniya: ');
readln(building.tipstr);
Write('Vvedite firmu podryadchika: ');
readln(building.firma);
write(g,building);
write('Dlya vihoda najmite "q" dlya vvoda novoj zapisi- lubuju klavishu:  ');
read(flag);
until  (flag='q') or (flag='Q');
close(g);
end;

procedure poisk;
var
 s:integer;
 c:boolean;
begin
clrscr;
c:=false;
Write('Vvedite firmu podryadchika: ');
readln(s);
assign(g,'base.txt');
reset(g);
Writeln('Resultat poiska:');
While not EOF(g) do
begin
Read(g,building);
with building do
if firma=s then
begin
Writeln('Imya: ',posetitel.imya,' Ostatok kredita: ',posetitel.ostatok,' Summa Vklada:'
,posetitel.summa,' Procent:',posetitel.proc);
c:=true;
end;
end;
if c=false then
Writeln('nichego ne naydeno');
close(g);
Write('Nagmite lubuy klavishy dlya vozvrata v menu');
readln;
end;


procedure stoimost;
var
 v:boolean;
begin
clrscr;
v:=false;
Write('Vvedite stoimost stroeniya: ');
readln(st);
assign(g,'data.txt');
reset(g);
Writeln('Resultat poiska:');
While not EOF(g) do
begin
Read(g,building);
with building do
if stoimost=st then
begin
Writeln('Imya: ',posetitel.imya,' Ostatok kredita: ',posetitel.ostatok,' Summa Vklada:',
posetitel.summa,' Procent:',posetitel.proc);
v:=true;
end;
end;
if v=false then
Writeln('nichego ne naydeno');
close(g);
Write('Nagmite lubuy klavishy dlya vozvrata v menu');
readln;
end;


procedure zapros;
var
 flag:boolean;
begin
clrscr;
flag:=false;
assign(g,'base.txt');
reset(g);
Writeln('klienti u kotorih summa vklada v banke menshe toimosti stroeniya:');
While not EOF(g) do
begin
Read(g,building);
with building do
if posetitel.ostatok<st then
begin
Writeln('Imya:',posetitel.imya,' Stoimost:',stoimost,' tipstr:',tipstr,' Firm:',firma,' Summa vklada:',posetitel.summa);
flag:=true;
end;
end;
if flag=false then
Write('klientov ne naydeno');
close(g);
Write('Nagmite lubuy klavishy dlya vozvrata v menu');
readln;
end;

procedure sozdanie;
var
c:integer;
flag:char;
begin
clrscr;
Writeln('esli prodolgit basa budet udalena');
Writeln('"y"/"n" ');
readln(flag);
if (flag='n') or (flag='y') then 
begin
 assign(g,'base.txt');
 rewrite(g);
 Write('basa sozdana nagmite klavishu dlya prodolgeniya');
 readln;
 clrscr;
 vstavka;
end
else
 begin
  Writeln('Sozdanie novoj bazi otmeneno');
  Write('Nagmite lubuju klavishu dlya vihoda v menu');
  readln;
 end;
end;

procedure vivod;
var
 i:integer;
begin
 clrscr;
 assign(g,'base.txt');
 reset(g);
 i:=1;
 While not EOF(g) do
  begin
   Read(g,building);
   with building do
   begin
   write(i,'. ');
   Writeln('Imya: ',posetitel.imya,' Ostatok: ',posetitel.ostatok,' Vklad: ',posetitel.summa,' Procent: '
   ,posetitel.proc,' posetitel:',tipstr);
   i:=i+1;
   end;
   end;
   close(g);
   Write('nagmite klavishu dlya vihoda v menu');
   readln;
   end;
end.