mirror of https://github.com/etcd-io/dbtester.git
63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
// Package fileutil implements file utilities.
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package fileutil
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import "os"
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func OpenToRead(fpath string) (*os.File, error) {
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f, err := os.OpenFile(fpath, os.O_RDONLY, 0444)
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if err != nil {
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return f, err
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}
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return f, nil
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}
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func OpenToAppend(fpath string) (*os.File, error) {
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f, err := os.OpenFile(fpath, os.O_RDWR|os.O_APPEND|os.O_CREATE, 0777)
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if err != nil {
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return nil, err
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}
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return f, nil
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}
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func OpenToOverwrite(fpath string) (*os.File, error) {
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f, err := os.OpenFile(fpath, os.O_RDWR|os.O_TRUNC|os.O_CREATE, 0777)
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if err != nil {
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return nil, err
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}
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return f, nil
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}
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func ToFile(txt, fpath string) error {
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f, err := os.OpenFile(fpath, os.O_RDWR|os.O_TRUNC, 0777)
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if err != nil {
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f, err = os.Create(fpath)
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if err != nil {
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return err
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}
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}
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defer f.Close()
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if _, err := f.WriteString(txt); 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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// Exist returns true if the file or directory exists.
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func Exist(fpath string) bool {
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st, err := os.Stat(fpath)
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if err != nil {
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if os.IsNotExist(err) {
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return false
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}
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}
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if st.IsDir() {
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return true
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}
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if _, err := os.Stat(fpath); err != nil {
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if os.IsNotExist(err) {
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return false
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}
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}
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return true
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}
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