| // Copyright 2021 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // Package internal contains functionality for x/vulndb. |
| package internal |
| |
| import ( |
| "bufio" |
| "os" |
| "strings" |
| ) |
| |
| // IDDirectory is the name of the directory that contains entries |
| // listed by their IDs. |
| const IDDirectory = "ID" |
| |
| // Readfilelines reads and returns the lines from a file. |
| // Whitespace on each line is trimmed. |
| // Blank lines and lines beginning with '#' are ignored. |
| func ReadFileLines(filename string) (lines []string, err error) { |
| f, err := os.Open(filename) |
| if err != nil { |
| return nil, err |
| } |
| defer f.Close() |
| |
| s := bufio.NewScanner(f) |
| for s.Scan() { |
| line := strings.TrimSpace(s.Text()) |
| if line == "" || strings.HasPrefix(line, "#") { |
| continue |
| } |
| lines = append(lines, line) |
| } |
| if s.Err() != nil { |
| return nil, s.Err() |
| } |
| return lines, nil |
| } |