Skinnify

skinnify.cc

#include <iostream>
#include <string>
#include <deque>
using namespace std;
int main(int argc, char **argv) {
	if (argc < 2) return 1;
	int backsize = atoi(argv[1]);
	deque<string> backlog(backsize, "");
	cout << string(backsize, '\n');
	string line;
	while (getline(cin, line)) {
		backlog.pop_front();
		backlog.push_back(line);
		cout << "\x1b[G\x1b[" << backsize << "A";
		for (string s : backlog) cout << "\x1b[K" << s << endl;
	}
	return 0;
}