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
main (argc,argv)
int argc;
char **argv; {
printf (Hello World!
);
}
Seasoned pro
#include
const int MAXLEN = 80;
class outstring;
class outstring {
private:
int size;
char str[MAXLEN];
public:
outstring() { size=0; }
~outstring() {size=0;}
void print();
void assign(char *chrs);
};
void outstring::print() {
int i;
for (i=0 ; i< size ; i++)
cout . $outfilename) || die Cant write $arg:
$!
;
print (FILE $msg);
close(FILE) || die Cant close $arg: $!
;
}
} else {
print ($msg);
}
1;
Experienced Hacker
#include
#define S Hello, World
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
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