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프로그래머의진화


[http]여기에 있던 글 제 맘대로 한글화 했어용~ cloou

= 프로그래머의 진화 =

고등학생

10 PRINT "헬로 왈도"
20 END  

대학교 1학년

program Hello(input, output)
   begin
      writeln('헬로 왈도')
   end.  

대학교 졸업반

(defun hello
   (print
      (cons '헬로 (list '왈도))))  

시간 강사, 부교수

#include <stdio.h>
void main(void)
{
   char *message[] = {"헬로 ", "왈도"};
   int i;
 
   for(i = 0; i < 2; ++i)
      printf("%s", message[i]);
   printf("\n");
}  

정교수

#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);
}  

프로그래머 장인

[ 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(<windows.h>);
   importheader(<ole2.h>);
   importheader(<except.hxx>);
   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 */
   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 <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] = '\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);
}  

해커 견습생

#!/usr/local/bin/perl
$msg="헬로, 왈도.\n";
if ($#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;  

경험있는 해커

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

명망있는 해커

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

구루 해커

% cat
헬로, 왈도.
^D  

막 부임한 관리자

10 PRINT "헬로 왈도"
20 END  

중간 관리자

mail -s "헬로, 왈도." bob@b12
밥, "헬로, 왈도."라고 찍히는 프로그램을 만들어줄 수 있나요?
내일까지 필요해요.
^D  

상위 관리자

% zmail jim
오늘 오후내로 "헬로, 왈도" 프로그램이 만들어 오세요.  

사장

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

나라비

  1. 됐어, 됐어.. 내일 하지뭐... 얘들아 달리기 연습이나 하러 가지..., 내일 할수있는일을 오늘 하지 말자..
  2. 아이롱 헬로월드좀 해봐...
  3. 사장님 잘모르겠는데요.

구루 해커의 아버지

  1. 에거.. 한심한.. 사람들아..

쫑아

  1. 저걸 왜 해?

뽀시락

  1. 왜 하냐구..? 그냥.. ㅡ.ㅡ;




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