sha1 ';' RESOURCE

/**
 * SHA1 macro
 */

static String	_sha1Help	= "${sha1;path}";

public String _sha1(String args[]) throws Exception {
	Macro.verifyCommand(args, _sha1Help, new Pattern[] {
			null, null, Pattern.compile("base64|hex")
	}, 2, 3);
	Digester<SHA1> digester = SHA1.getDigester();
	Resource r = dot.getResource(args[1]);
	if (r == null)
		throw new FileNotFoundException("From sha1, not found " + args[1]);

	IO.copy(r.openInputStream(), digester);
	return Base64.encodeBase64(digester.digest().digest());
}