// Copyright 2014 beego Author. All Rights Reserved.
//
// 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.

package utils

import (
	"github.com/astaxie/beego/pkg/core/utils"
)

// SelfPath gets compiled executable file absolute path
func SelfPath() string {
	return utils.SelfPath()
}

// SelfDir gets compiled executable file directory
func SelfDir() string {
	return utils.SelfDir()
}

// FileExists reports whether the named file or directory exists.
func FileExists(name string) bool {
	return utils.FileExists(name)
}

// SearchFile Search a file in paths.
// this is often used in search config file in /etc ~/
func SearchFile(filename string, paths ...string) (fullpath string, err error) {
	return utils.SearchFile(filename, paths...)
}

// GrepFile like command grep -E
// for example: GrepFile(`^hello`, "hello.txt")
// \n is striped while read
func GrepFile(patten string, filename string) (lines []string, err error) {
	return utils.GrepFile(patten, filename)
}