Date: 2003-12-13. This is a text only snapshot of the web http://www.pvv.ntnu.no/~steinl/vitser/evolution.html made by Grzegorz Adam Hankiewicz (gradha@users.sourceforge.net) with the software ELinks 0.5pre12.CVS - Text WWW browser, which you can find at http://elinks.or.cz/ The purpose of the snapshot is to provide an alternative version if the main server fails or the original copy is deleted. The snapshot has been render to 78 characters of width with the ISO-8859-1 character codepage. -------------------------------------------------------------------- The Evolution of a Programmer 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 void main(void) { char *message[] = {"Hello ", "World"}; int i; for(i = 0; i < 2; ++i) printf("%s", message[i]); printf("\n"); } Seasoned professional ===================== #include #include 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); } 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 #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 =================== % cat Hello, world. ^D 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 ------------------------------------------------------------------------- [IMG]