package algs11;
import stdlib.*;
/* ***********************************************************************
 *  Compilation:  javac Wget.java
 *  Execution:    java Wget url
 *
 *  Reads in a URL specified on the command line and saves its contents
 *  in a file with the given name.
 *
 *  % java Wget http://www.cs.princeton.edu/IntroProgramming/datafiles/codes.csv
 *
 *************************************************************************/

public class XWget {

	public static void main(String[] args) {
		args = new String[] { "http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" };

		// read in data from URL
		String url = args[0];
		In in = new In(url);
		if (!in.exists ())
			System.exit (1);
		String data = in.readAll();

		String filename = url.substring(url.lastIndexOf('/') + 1);
		if (filename.length () <= 0) {
			StdOut.println (data);
		} else {
			// write data to a file
			Out out = new Out(filename);
			out.println(data);
			out.close();
			StdOut.println ("Output in file \"" + filename + "\"");
		}
	}
}