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package utils
import (
"crypto/sha256"
"fmt"
"io/ioutil"
"strings"
)
// ReadFileContent get file content and trim the last newline
func ReadFileContent(filename string) (string, error) {
contents, err := ioutil.ReadFile(filename)
if err != nil {
return "", err
}
return strings.TrimRight(string(contents), "\n"), nil
}
// SHA256Sum sum data by sha256
func SHA256Sum(data []byte) string {
if len(data) == 0 {
return ""
}
return fmt.Sprintf("%x", sha256.Sum256(data))
}
// ScanDir return needed sub directory
func ScanDir(dir string, filter func(string) bool) ([]string, error) {
finfos, err := ioutil.ReadDir(dir)
if err != nil {
return nil, err
}
var list []string
for _, finfo := range finfos {
if filter(finfo.Name()) {
continue
}
list = append(list, finfo.Name())
}
return list, nil
}
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