зеркало из https://github.com/golang/vulndb.git
40 строки
922 B
Go
40 строки
922 B
Go
// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package internal contains functionality for x/vulndb.
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package internal
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import (
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"bufio"
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"os"
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"strings"
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"golang.org/x/vulndb/internal/derrors"
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)
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// Readfilelines reads and returns the lines from a file.
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// Whitespace on each line is trimmed.
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// Blank lines and lines beginning with '#' are ignored.
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func ReadFileLines(filename string) (lines []string, err error) {
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defer derrors.Wrap(&err, "ReadFileLines(%q)", filename)
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f, err := os.Open(filename)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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s := bufio.NewScanner(f)
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for s.Scan() {
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line := strings.TrimSpace(s.Text())
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if line == "" || strings.HasPrefix(line, "#") {
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continue
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}
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lines = append(lines, line)
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}
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if s.Err() != nil {
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return nil, s.Err()
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}
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return lines, nil
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}
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