66 lines
1.1 KiB
Go
66 lines
1.1 KiB
Go
package cli
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import (
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"bufio"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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)
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func PromptWDefault(label, def string) string {
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ret := Prompt(label, false)
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if ret == "" {
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return def
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}
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return ret
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}
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func Prompt(label string, required bool) string {
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reader := bufio.NewReader(os.Stdin)
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var res string
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fmt.Println(label + ": ")
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res, _ = reader.ReadString('\n')
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res = strings.TrimSpace(res)
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if res == "" && required {
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fmt.Println("Non-empty response is required")
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return Prompt(label, required)
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}
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return res
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}
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func FileExists(path string) bool {
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info, err := os.Stat(path)
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if os.IsNotExist(err) {
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return false
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}
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return !info.IsDir()
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}
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func DirExists(path string) bool {
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info, err := os.Stat(path)
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if os.IsNotExist(err) {
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return false
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}
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return info.IsDir()
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}
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func ListFiles(path string) []string {
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var files []string
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err := filepath.Walk(path, func(p string, info os.FileInfo, err error) error {
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p = strings.TrimPrefix(p, path)
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if p != "" {
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files = append(files, strings.TrimPrefix(p, "/"))
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}
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return nil
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})
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if err != nil {
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return []string{}
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}
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return files
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}
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func PrintErr(o string) {
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fmt.Fprintln(os.Stderr, o)
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}
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