35 lines
658 B
Go
35 lines
658 B
Go
package dirlist
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import (
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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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const keep = 64<<10 - 100
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func List(path string) (string, error) {
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entries, err := os.ReadDir(path)
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if err != nil {
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return "", err
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}
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if len(entries) == 0 {
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return fmt.Sprintf("%s is empty.\n", path), nil
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}
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b := &strings.Builder{}
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for i, e := range entries {
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name := e.Name()
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info, err := os.Stat(filepath.Join(path, name))
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if err == nil && info.IsDir() {
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name += "/"
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}
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if b.Len()+len(name)+1 > keep {
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fmt.Fprintf(b, "(%d more entries not shown; output stops at 64 KiB)\n", len(entries)-i)
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break
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}
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b.WriteString(name + "\n")
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}
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return b.String(), nil
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}
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