Evolution of a Programmer

(http://www.ariel.com.au/jokes//The_Evolution_of_a_Programmer.html)

High School/Jr.High

  10 PRINT "HELLO WORLD"   20 END 

First year in College

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

Senior year in College

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

New professional

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

Seasoned professional

  #include <iostream.h>   #include <string.h>     class string   {   private:     int size;     char *ptr;     string() : size(0), ptr(new char[1]) { ptr[0] = 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);   } 

Master Programmer

  [   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 ", 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);   } 

Apprentice 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; 

Experienced Hacker

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

Seasoned Hacker

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

Guru Hacker

  % echo "Hello, world." 

New Manager

  10 PRINT "HELLO WORLD"   20 END 

Middle Manager

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

Senior Manager

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

Chief Executive

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

Why we need IPv6...