• Clojure

(println (clojure.string/join " " *command-line-args*))

• Ada

procedure Main is
begin
   for I in 1 .. Argument_Count loop
      Put (Argument (I) & (if I = Argument_Count then "" else " "));
   end loop;
   
   New_Line;
end Main;

• C

int main(int argc, char *argv[])
{
    while (*++argv) {
        printf("%s", *argv);
        if (argv[1]) printf(" ");
    }
    printf("\n");
    return EXIT_SUCCESS;
}

• C++

int main(int argc, char * argv[])
{
	for(int i = 1; i < argc; ++i)
	{
		std::cout <<(1==i ? "" : " ") << argv[i];
	}
        std::cout <<std::endl;
}

• C#

public class Program
{
    public static void Main(string[] args)
    {
        Console.WriteLine(string.Join(" ", args));
    }
}

• D

void main(string[] args)
{
	args[1..$].join(" ").writeln;
}

• D

void main(string[] args)
{
	writeln(args.dropOne.joiner(" "));
}

• Dart

main(List<String> args) {
  print(args.join(' '));
}

• Elixir

Enum.join(args, " ")

• Erlang

main() ->
    main(init:get_plain_arguments()).

main(ARGV) ->
    io:format("~s~n", [lists:join(" ", ARGV)]).

• Fortran

program x
  implicit none
  character (len=:), allocatable :: a
  integer :: n, i, l
  n = command_argument_count()
  a = ''
  do i=1,n
     call get_command_argument(i, a, l)
     if (l > len(a)) then
        deallocate (a)
        allocate (character(len=l) :: a)
        call get_command_argument(i, a)
     end if
     write (unit=*,fmt='(A)', advance="no") a
     if (i < n) then
        write (unit=*,fmt='(" ")', advance="no")
     else
        write (unit=*,fmt='()')
     end if
  end do
end

• Go

func main() {
    fmt.Println(strings.Join(os.Args[1:], " "))
}

• Haskell

putStrLn . unwords =<< System.Environment.getArgs

• JS

console.log(process.argv.slice(2).join(" "));

• Java

public class Echo {
    public static void main(final String... args) {
        out.println(join(" ", args));
    }
}

• Java

class Echo {
    public static void main(String[] args) {
        out.print(join(" ", args));
    }
}

• Kotlin

fun main(args: Array<String>) = args.forEach(::println)

• Lisp

(format t "~{~A~^ ~}~%" *args*)

• Lua

print( table.concat( arg, " " ) )

• Obj-C

int main(int argc, char *argv[])
{
    while (*++argv) {
        printf("%s", *argv);
        if (argv[1]) printf(" ");
    }
    printf("\n");
    return EXIT_SUCCESS;
}

• Obj-C

int main() {
  NSArray *all=NSProcessInfo.processInfo.arguments;
  NSArray *args=[all subarrayWithRange:NSMakeRange(1,all.count-1)];
  puts([args componentsJoinedByString:@" "].UTF8String);
  return 0;
}

• PHP

echo implode(' ', array_slice($argv, 1)), PHP_EOL;

• Pascal

PROGRAM Echo;

VAR
    I: Integer;
BEGIN
    for I := 1 to ParamCount - 1 do
        Write(ParamStr(I), ' ');
    if (ParamCount > 0) then
        Write(ParamStr(ParamCount));
    WriteLn();
END.

• Perl

print "@ARGV\n"

• Prolog

main(Argv) :- echo(Argv).

echo([]) :- nl.
echo([Last]) :- write(Last), echo([]).
echo([H|T]) :- write(H), write(' '), echo(T).

• Python

print(' '.join(sys.argv[1:]))

• Python

print(*argv[1:])

• Ruby

printf("%s\n", ARGV.join(' '))

• Ruby

puts ARGV.join(' ')

• Rust

println!("{}", env::args().skip(1).collect::<Vec<_>>().join(" "));

• Rust

println!("{}", std::env::args().skip(1).format(" "));

• Scala

println(args.mkString(" "))

• Scheme

(display (string-join (list-tail (command-line) 1) " "))
(newline)

• Smalltalk

| args arg sep |
args := CEnvironment commandLine readStream.
args next.    " skip executable name "
sep := [args peek isNil not ifTrue: [' '] ifFalse: ['']].
[ (arg := args next) isNil ] whileFalse: [
    Transcript show: arg; show: (sep value).
].
Transcript cr. " cr -> carriage return; ie. newline "