cbbs.pas
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uses dos;
var f:text;
function tch(i:string):string;
begin
if length(i)>2 then i:=copy(i,length(i)-1,2) else
if length(i)=1 then i:='0'+i;
tch:=i;
end;
function cstr(i:integer):string;
var c:string;
begin
str(i,c);
cstr:=c;
end;
function value(s:string):integer;
var n,n1:integer;
begin
val(s,n,n1);
if n1<>0 then begin
s:=copy(s,1,n1-1);
val(s,n,n1)
end;
value:=n;
if s='' then value:=0;
end;
function time:string;
var r:registers;
h,m,s:string[4];
begin
r.ax:=$2c00; intr($21,dos.registers(r));
str(r.cx shr 8,h); str(r.cx mod 256,m); str(r.dx shr 8,s);
time:=tch(h)+':'+tch(m)+':'+tch(s);
end;
function date:string;
var r:registers;
m,d,y:string[4];
begin
r.ax:=$2a00; msdos(dos.registers(r)); str(r.cx,y); str(r.dx mod 256,d);
str(r.dx shr 8,m);
date:=tch(m)+'/'+tch(d)+'/'+tch(y);
end;
function leapyear(yr:integer):boolean;
begin
leapyear:=(yr mod 4=0) and ((yr mod 100<>0) or (yr mod 400=0));
end;
function days(mo,yr:integer):integer;
var d:integer;
begin
d:=value(copy('312831303130313130313031',1+(mo-1)*2,2));
if (mo=2) and leapyear(yr) then d:=d+1;
days:=d;
end;
function daycount(mo,yr:integer):integer;
var m,t:integer;
begin
t:=0;
for m:=1 to (mo-1) do t:=t+days(m,yr);
daycount:=t;
end;
function daynum(dt:string):integer;
var d,m,y,t,c:integer;
begin
t:=0;
m:=value(copy(dt,1,2));
d:=value(copy(dt,4,2));
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{rcg11182000 hahahaha...a Y2K bug. :) }
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y:=value(copy(dt,7,2))+1900;
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{rcg11182000 added this conditional. }
if (y < 1977) then { Ugh...this is so bad. }
y := y + 100;
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for c:=1985 to y-1 do
if leapyear(c) then t:=t+366 else t:=t+365;
t:=t+daycount(m,y)+(d-1);
daynum:=t;
if y<1985 then daynum:=0;
end;
function dat:string;
const mon:array [1..12] of string[3] =
('Jan','Feb','Mar','Apr','May','Jun',
'Jul','Aug','Sep','Oct','Nov','Dec');
var ap,x,y:string;
i:integer;
begin
case daynum(date) mod 7 of
6:x:='Mon'; 3:x:='Fri';
0:x:='Tue'; 4:x:='Sat';
1:x:='Wed'; 5:x:='Sun';
2:x:='Thu';
end;
y:=mon[value(copy(date,1,2))];
x:=x+' '+y+' '+copy(date,4,2)+', '+cstr(1900+value(copy(date,7,2)));
y:=time; i:=value(copy(y,1,2));
if i>11 then ap:='pm' else ap:='am';
if i>12 then i:=i-12;
if i=0 then i:=12;
dat:=cstr(i)+copy(y,3,3)+' '+ap+' '+x;
end;
begin
assign(f,paramstr(1)); rewrite(f);
writeln(f,'lastcompiled=''Last official compilation date: < '+dat+' >'';');
close(f);
end.