map $http_user_agent $root {
	"~*curl*" /usr/share/nginx/txt;
	"~*wget*" /usr/share/nginx/txt;
	default /usr/share/nginx/html;
}
server {
    listen       80;
    server_name  localhost;

    #access_log  /var/log/nginx/host.access.log  main;

    location / {
        root   $root;
        index  index.html index.htm;
    }

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}