verilog, 276 bytes

Result

WA

Code [DL]

`define EOF 32'hFFFF_FFFF
`define STDIN 32'h8000_0000

module cat;
	integer c,d;
	initial begin
		c = $fgetc(`STDIN);
		
		while (c != `EOF) begin
			d = c;
			while(c != '\n') begin
				c = $fgetc(`STDIN);	
				d = d + c;
			end 

			$write("%c", d);
			
		end
	end
endmodule

stdin

01101001
00000111
11001111
00010001
11100101
11111101
01111000
00000011
10011001
11101110
11010000
00101111
00011100
00001010
00111001
00000000
00010100
11111100
10110100
00110011
10101010
11100111
00000001
10111100
11001001
00100100
00101010
00001010
00000110
11010010
00101100
00110100
10101011
10001000
01011011
00100111
00001111
01001110
01100101
10110101
00110111
00101101
00010101
11101011
01000010
10001010
01111101
00111101
10111110
11111101

stdout

stderr

/volume/CODE:11: error: unmatched character (')
/volume/CODE:11: syntax error
/volume/CODE:12: error: malformed statement
/volume/CODE:11: error: Error in while loop condition.
/volume/CODE:19: syntax error
I give up.
/home/esolang/bin/verilog: line 4: /tmp/code: No such file or directory
rm: cannot remove '/tmp/code': No such file or directory

strace