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file.go
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file.go
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package hio
import (
"bytes"
"io"
"io/ioutil"
"os"
"path"
"path/filepath"
"strings"
)
func ReadFile(path string) ([]byte, error) {
fi, err := os.Open(path)
if err != nil {
return nil, err
}
defer fi.Close()
fd, err := ioutil.ReadAll(fi)
if err != nil {
return nil, err
}
return fd, nil
}
func IsFileExist(filepath string) bool {
finfo, err := os.Stat(filepath)
if err != nil {
return false
}
return !finfo.IsDir()
}
func IsDirExist(filepath string) bool {
finfo, err := os.Stat(filepath)
if err != nil {
return false
}
return finfo.IsDir()
}
func CreateFile(fname string, data []byte) error {
out, err := os.Create(fname)
if err != nil {
return err
}
defer out.Close()
re := bytes.NewReader(data)
_, err = io.Copy(out, re)
return err
}
func IteratorFiles(dir string, ext string) []string {
var paths []string
ext = strings.ToLower("." + ext)
filepath.Walk(dir, func(p string, info os.FileInfo, err error) error {
if info.IsDir() {
return nil
}
if ext == ".*" {
paths = append(paths, p)
} else {
e := path.Ext(info.Name())
if strings.ToLower(e) == ext {
paths = append(paths, info.Name())
}
}
return nil
})
return paths
}