Le but de la manipulation est d’écrire un programme qui affichera « HELLO WORLD » à l’écran.
TERMINALE
10 PRINT « HELLO WORLD »
20 END
DUT 1ERE ANNEE
program HELLO(input, output)
begin
writeln(‘HELLO WORLD’)
end.
DUT 2EME ANNEE
(defun HELLO
(print
(cons ‘HELLO (list ‘WORLD))
)
)
FRAICHEMENT SORTI DE L’ECOLE
#include <stdio.h>void main(void)
{
char *message[] = {« HELLO « , « WORLD »};
int i;
for(i = 0; i < 2; ++i)
printf("%s", message[i]);
printf("\n");}
PROFESSIONNEL TRES EXPERIMENTE
#include <iostream.h>
#include <string.h>
class string{
private:
int size;
char *ptr;
public:
string() : size(0), ptr(new char(‘\0’)) {}
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);
}
PROFESSIONNEL VRAIMENT TRES TRES EXPERIMENTE
[
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
#include
#include
#include
#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
#include
#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 */
0x2573F891,
0xCFEE,
0x101A,
{ 0x9A, 0x9F, 0x00, 0xAA, 0x00, 0x34, 0x28, 0x20 }
};
UUID LIBID_CHelloLib = { /* 2573F890-CFEE-101A-9A9F-00AA00342820 */
0x2573F890,
0xCFEE,
0x101A,
{ 0x9A, 0x9F, 0x00, 0xAA, 0x00, 0x34, 0x28, 0x20 }
};
#include
#include
#include
#include
#include
#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] = ‘\0’;
wcsT[0] = ‘\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);
}
ADMINISTRATEUR SYSTEME
#include <stdio.h>
main()
{
char *tmp;
int i=0;
/* on y va bourin */
tmp=(char *)malloc(1024*sizeof(char));
while (tmp[i]="HELLO WORLD"[i++]);
/* Ooopps y'a une infusion ! */
i=(int)tmp[8];
tmp[8]=tmp[9];
tmp[9]=(char)i;
printf("%s\n",tmp);
}APPRENTI HACKER
#!/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;HACKER EXPERIMENTE
#include <stdio.h>
#define S "HELLO, WORLD\n"
main(){exit(printf(S) == strlen(S) ? 0 : 1);}HACKER TRES EXPERIMENTE
% cc -o a.out ~/src/misc/bv/bv.c
% a.outGOUROU DES HACKERS
% cat
HELLO, WORLD.
^DDIRECTEUR JUNIOR
10 PRINT "HELLO WORLD"
20 ENDDIRECTEUR
mail -s "HELLO, WORLD." bob@b12
Henri, pourrais-tu m'écrire un programme qui écrit "HELLO,
WORLD." À l'écran?
J'en ai besoin pour demain.
^DDIRECTEUR SENIOR
% zmail Jean
J'ai besoin d'un programme "HELLO, WORLD." Pour cette après-midi.PRESIDENT DIRECTEUR GENERAL
% letter
letter: Command not found.
% mail
To: ^X ^F ^C
% help mail
help: Command not found.
% damn!
!: Event unrecognized
% logout