home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Software Vault: The Gold Collection
/
Software Vault - The Gold Collection (American Databankers) (1993).ISO
/
cdr48
/
design60.zip
/
MISCTOOL.PAS
< prev
next >
Wrap
Pascal/Delphi Source File
|
1993-04-19
|
2KB
|
105 lines
unit MiscTool;
interface
uses CRT;
procedure Abort(M : String);
{ Simple fatal error reporter: Goes to the bottom of the screen,
Prints M and terminates execution of the program. }
procedure Beep;
{ Generates a sound from the speaker to alert the user. Useful
for error handling routines. }
function ConstStr(C : Char; N : byte) : String;
{ ConstStr returns a string with N characters of value C }
function Exist(FN : String) : boolean;
{ Returns true if file named by FN exists }
function NumStr(Num : integer) : String;
{ Converts an integer to a string. Function form is often more
convenient than the Str procedure }
function UpcaseStr(S : String) : String;
{ Converts all characters in the string S to their upper case
equivalents. }
implementation
{$V-}
procedure Beep;
{ Generates a sound from the speaker to alert the user. Useful
for error handling routines. }
begin
Sound(220);
Delay(200);
NoSound;
end; { Beep }
function Exist(FN : String) : boolean;
{ Returns true if file named by FN exists }
var
F : file;
found : boolean;
begin
Assign(f, FN);
{$I-}
Reset(f);
Found := (IOResult = 0);
if Found then
Close(f);
{$I+}
Exist := Found;
end; { Exist }
procedure Abort(M : String);
{ Simple fatal error reporter: Goes to the bottom of the screen,
Prints M and terminates execution of the program. }
begin
Window(1, 1, 80, 25);
TextColor(White);
TextBackground(Black);
LowVideo;
GotoXY(1, 25);
Write(M);
ClrEol;
Halt;
end; { Abort }
function NumStr(Num : integer) : String;
{ Converts an integer to a string. Function form is often more
convenient than the Str procedure }
var
S : string;
begin
Str(Num:1, S);
NumStr := S;
end;
function ConstStr(C : Char; N : byte) : String;
{ ConstStr returns a string with N characters of value C }
var
S : string;
begin
if N < 0 then
N := 0;
S[0] := Chr(N);
FillChar(S[1],N,C);
ConstStr := S;
end; { ConstStr }
function UpcaseStr(S : String) : String;
{ Converts all characters in the string S to their upper case
equivalents. }
var
P : byte;
begin
for P := 1 to Length(S) do
S[P] := Upcase(S[P]);
UpcaseStr := S;
end;
end.