#include<unistd.h>
#include<stdio.h>
#include<termios.h>

void main(){

	struct termios settings;
	tcgetattr(0, &settings);
	settings.c_cc[VMIN] = 1;
	settings.c_lflag ^= ICANON;
	settings.c_lflag ^= ECHO;
	tcsetattr(0, TCSANOW, &settings);

	char seq = 0;
	while(1){
		unsigned char c;
		read(0, &c, 1);
//		printf("Read Character:  %c (%u)\n", c, c);
		if( (c == 27 && seq == 0) || (c == 91 && seq == 1) )
			seq++;
		else if(c == 65 && seq == 2){
			write(1, "\r                    \b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b", 41);
			seq = 0;
		} else if(c == 127){
			write(1, "\b \b", 3);
		} else 
			write(1, &c, 1);


	}
}