--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
--     http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- 
-- Copyright (C) 2015-2020, TBOOX Open Source Group.
--
-- @author      ruki
-- @file        time.lua
--

-- main
function main(...)
    local argv = {...}
    local program = argv[1]
    if program then
        local t = os.mclock()
        os.execv(program, table.slice(argv, 2))
        t = os.mclock() - t
        print("time %0.3fs", t / 1000.)
    else
        raise("program not found!")
    end
end