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file.go
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/
file.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016-present Datadog, Inc.
package filesystem
import (
"bufio"
"os"
)
// FileExists returns true if a file exists and is accessible, false otherwise
func FileExists(path string) bool {
_, err := os.Stat(path)
return err == nil
}
// ReadLines reads a file line by line
func ReadLines(filename string) ([]string, error) {
f, err := os.Open(filename)
if err != nil {
return []string{""}, err
}
defer f.Close()
var ret []string
scanner := bufio.NewScanner(f)
for scanner.Scan() {
ret = append(ret, scanner.Text())
}
return ret, scanner.Err()
}