69 lines
1.1 KiB
Go
69 lines
1.1 KiB
Go
package ethutil
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import (
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"io/ioutil"
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"os"
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"os/user"
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"path"
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"strings"
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)
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func ExpandHomePath(p string) (path string) {
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path = p
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// Check in case of paths like "/something/~/something/"
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if len(path) > 1 && path[:2] == "~/" {
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usr, _ := user.Current()
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dir := usr.HomeDir
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path = strings.Replace(p, "~", dir, 1)
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}
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return
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}
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func FileExist(filePath string) bool {
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_, err := os.Stat(filePath)
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if err != nil && os.IsNotExist(err) {
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return false
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}
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return true
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}
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func ReadAllFile(filePath string) (string, error) {
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file, err := os.Open(filePath)
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if err != nil {
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return "", err
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}
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data, err := ioutil.ReadAll(file)
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if err != nil {
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return "", err
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}
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return string(data), nil
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}
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func WriteFile(filePath string, content []byte) error {
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fh, err := os.OpenFile(filePath, os.O_TRUNC|os.O_RDWR|os.O_CREATE, os.ModePerm)
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if err != nil {
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return err
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}
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defer fh.Close()
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_, err = fh.Write(content)
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if err != nil {
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return err
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}
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return nil
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}
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func AbsolutePath(Datadir string, filename string) string {
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if path.IsAbs(filename) {
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return filename
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}
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return path.Join(Datadir, filename)
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}
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