zhao-sun.com

10 PRINT "HELLO WORLD"
20 END

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

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

#include <stdio.h%gt
void main(void)
{
char *message[] = {"Hello ", "World"};
int i;

for(i = 0; i

#include <iostream.h%gt
#include <string.h%gt

class string
{
private:
int size;
char *ptr;

public:
string() : size(0), ptr(new char('')) {}

string(const string &s) : size(s.size)
{
ptr = new char[size + 1];
strcpy(ptr, s.ptr);
}

~string()
{
delete [] ptr;
}

friend ostream &operator

#!/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;

#include %lt;stdio.h
#define S "Hello, Worldn"
main(){exit(printf(S) == strlen(S) ? 0 : 1);}

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

% cat
Hello, world.
^D

10 PRINT "HELLO WORLD"
20 END

mail -s "Hello, world." bob@b12
Bob, could you please write me a program that prints "Hello,
world."?

I need it by tomorrow.
^D

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

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