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file.go
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file.go
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package file
import (
"bufio"
"io"
"os"
"path"
"strings"
)
func Create(file string, content ...[]byte) (err error) {
err = os.MkdirAll(path.Dir(file), os.ModePerm)
if err != nil {
return
}
f, err := os.Create(file)
if err != nil {
return
}
defer func() {
f.Close()
}()
// Write file content
if len(content) > 0 {
_, err = f.Write(content[0])
}
return
}
func PutContent(file string, data []byte) error {
err := os.WriteFile(file, data, 0644)
return err
}
func Exists(file string) bool {
_, err := os.Stat(file)
if err != nil {
return os.IsExist(err)
}
return true
}
func Remove(file string) bool {
fi, err := os.Stat(file)
if err != nil {
return false
}
if fi.IsDir() {
dir, err := os.ReadDir(file)
if err != nil {
return false
}
for _, d := range dir {
err := os.RemoveAll(path.Join([]string{file, d.Name()}...))
if err != nil {
return false
}
}
}
err = os.Remove(file)
return err == nil
}
func Contain(file string, search string) bool {
if Exists(file) {
data, err := os.ReadFile(file)
if err != nil {
return false
}
return strings.Contains(string(data), search)
}
return false
}
// BaseName
//
// "/path/to/file.ext" => "file.ext"
func BaseName(file string) string {
return path.Base(file)
}
// BaseNameWithoutExtentsion
//
// "/path/to/file.ext" => "file"
func BaseNameWithoutExtentsion(file string) string {
baseName := path.Base(file)
return strings.TrimSuffix(baseName, path.Ext(file))
}
// Extentsion
//
// "/path/to/file.ext" => "ext"
func Extension(file string) string {
return strings.ReplaceAll(path.Ext(file), ".", "")
}
func GetLineNum(file string) (total int) {
f, _ := os.OpenFile(file, os.O_RDONLY, 0444)
buf := bufio.NewReader(f)
defer func() {
f.Close()
}()
for {
_, err := buf.ReadString('\n')
if err != nil {
if err == io.EOF {
total++
break
}
} else {
total++
}
}
return
}