Atria’s Rendezvous

10 PRINT "HELLO WORLD"
20 END

program Hello(input, output)
begin
writeln(’Hello World’)
end.

(defun hello
(print
(cons ‘Hello (list ‘World))))

#include <stdio.h>
void main(void)
{
char *message[] = {"Hello ", "World"};
int i;

for(i = 0; i < 2; ++i)
printf("%s", message[i]);
printf("\n");
}

#include <iostream.h>
#include <string.h>
class string
{
private:
int size;
char *ptr;

public:
string() : size(0), ptr(new char(”)) {}

string(const string &s) : size(s.size)
{
ptr = new char[size + 1];
strcpy(ptr, s.ptr);
}

~string()
{
delete [] ptr;
}

friend ostream &operator <<(ostream &,
const string &);
string &operator=(const char *);
};

ostream &operator<<(ostream &stream, const
string &s)
{
return(stream << s.ptr);
}

string &string::operator=(const char *chrs)
{
if (this != &chrs)
{
delete [] ptr;
size = strlen(chrs);
ptr = new char[size + 1];
strcpy(ptr, chrs);
}
return(*this);
}

int main()
{
string str;

str = "Hello World";
cout << str << endl;

return(0);
}

[
uuid(2573F8F4-CFEE-101A-9A9F-00AA00342820)
]
library LHello
{
// bring in the master library
importlib("actimp.tlb");
importlib("actexp.tlb");

// bring in my interfaces
#include "pshlo.idl"

[

uuid(2573F8F5-CFEE-101A-9A9F-00AA00342820)
]
cotype THello
{
interface IHello;
interface IPersistFile;
};
};

[
exe,
uuid(2573F890-CFEE-101A-9A9F-00AA00342820)
]
module CHelloLib
{

// some code related header files
importheader();
importheader();
importheader();
importheader("pshlo.h");
importheader("shlo.hxx");
importheader("mycls.hxx");

// needed typelibs
importlib("actimp.tlb");
importlib("actexp.tlb");
importlib("thlo.tlb");

[
uuid(2573F891-CFEE-101A-9A9F-00AA00342820),
aggregatable
]
coclass CHello
{
cotype THello;
};
};

#include "ipfix.hxx"

extern HANDLE hEvent;

class CHello : public CHelloBase
{
public:
IPFIX(CLSID_CHello);

CHello(IUnknown *pUnk);
~CHello();

HRESULT __stdcall PrintSz(LPWSTR
pwszString);

private:
static int cObjRef;
};

#include <windows.h>
#include <ole2.h>
#include <stdio.h>
#include <stdlib.h>
#include "thlo.h"
#include "pshlo.h"
#include "shlo.hxx"
#include "mycls.hxx"

int CHello::cObjRef = 0;

CHello::CHello(IUnknown *pUnk) :
CHelloBase(pUnk)
{
cObjRef++;
return;
}

HRESULT __stdcall CHello::PrintSz(LPWSTR
pwszString)
{
printf("%ws\n", pwszString);
return(ResultFromScode(S_OK));
}

CHello::~CHello(void)
{

// when the object count goes to zero, stop
the server
cObjRef–;
if( cObjRef == 0 )
PulseEvent(hEvent);

return;
}

#include <windows.h>
#include <ole2.h>
#include "pshlo.h"
#include "shlo.hxx"
#include "mycls.hxx"

HANDLE hEvent;

int _cdecl main(
int argc,
char * argv[]
) {
ULONG ulRef;
DWORD dwRegistration;
CHelloCF *pCF = new CHelloCF();

hEvent = CreateEvent(NULL, FALSE, FALSE,
NULL);

// Initialize the OLE libraries
CoInitializeEx(NULL, COINIT_MULTITHREADED);

CoRegisterClassObject(CLSID_CHello, pCF,
CLSCTX_LOCAL_SERVER,
REGCLS_MULTIPLEUSE, &dwRegistration);

// wait on an event to stop
WaitForSingleObject(hEvent, INFINITE);

// revoke and release the class object
CoRevokeClassObject(dwRegistration);
ulRef = pCF->Release();

// Tell OLE we are going away.
CoUninitialize();

return(0);
}

extern CLSID CLSID_CHello;
extern UUID LIBID_CHelloLib;

CLSID CLSID_CHello = { /*
2573F891-CFEE-101A-9A9F-00AA00342820 */
0×2573F891,
0xCFEE,
0×101A,
{ 0×9A, 0×9F, 0×00, 0xAA, 0×00, 0×34,
0×28, 0×20 }
};

UUID LIBID_CHelloLib = { /*
2573F890-CFEE-101A-9A9F-00AA00342820 */
0×2573F890,
0xCFEE,
0×101A,
{ 0×9A, 0×9F, 0×00, 0xAA, 0×00, 0×34,
0×28, 0×20 }
};

#include <windows.h>
#include <ole2.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "pshlo.h"
#include "shlo.hxx"
#include "clsid.h"

int _cdecl main(
int argc,
char * argv[]
) {
HRESULT hRslt;
IHello *pHello;
ULONG ulCnt;
IMoniker * pmk;
WCHAR wcsT[_MAX_PATH];
WCHAR wcsPath[2 * _MAX_PATH];

// get object path
wcsPath[0] = ”;
wcsT[0] = ”;
if( argc > 1) {
mbstowcs(wcsPath, argv[1],
strlen(argv[1]) + 1);
wcsupr(wcsPath);
}
else {
fprintf(stderr, "Object path must be
specified\n");
return(1);
}

// get print string
if(argc > 2)
mbstowcs(wcsT, argv[2], strlen(argv[2])
+ 1);
else
wcscpy(wcsT, L"Hello World");

printf("Linking to object %ws\n", wcsPath);
printf("Text String %ws\n", wcsT);

// Initialize the OLE libraries
hRslt = CoInitializeEx(NULL,
COINIT_MULTITHREADED);

if(SUCCEEDED(hRslt)) {

hRslt = CreateFileMoniker(wcsPath,
&pmk);
if(SUCCEEDED(hRslt))
hRslt = BindMoniker(pmk, 0, IID_IHello,
(void **)&pHello);

if(SUCCEEDED(hRslt)) {

// print a string out
pHello->PrintSz(wcsT);

Sleep(2000);
ulCnt = pHello->Release();
}
else
printf("Failure to connect, status: %lx",
hRslt);

// Tell OLE we are going away.
CoUninitialize();
}

return(0);
}

#!/usr/local/bin/perl
$msg="Hello, world.\n";
if ($#ARGV >= 0) {
while(defined($arg=shift(@ARGV))) {
$outfilename = $arg;
open(FILE, ">" . $outfilename) || die
"Can’t write $arg: $!\n";
print (FILE $msg);
close(FILE) || die "Can’t close $arg:
$!\n";
}
} else {
print ($msg);
}
1;

#include <stdio.h>
#define S "Hello, World\n"
main(){exit(printf(S) == strlen(S) ? 0 :
1);}

% cc -o a.out ~/src/misc/hw/hw.c
% a.out

% cat
Hello, world.
^D

10 PRINT "HELLO WORLD"
20 END

mail -s "Hello, world." bob@b12
Bob, could you please write me a program
that prints "Hello, world."?
I need it by tomorrow.
^D

% zmail jim
I need a "Hello, world." program by this
afternoon.

% letter
letter: Command not found.
% mail
To: ^X ^F ^C
% help mail
help: Command not found.
% damn!
!: Event unrecognized
% logout

Still more i need to learn about programming…but it’s kindda sweet…remember the day when i first learning programming ….