54 lines
986 B
Go
54 lines
986 B
Go
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package continuity
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import (
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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)
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func tree(w io.Writer, dir string) error {
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fmt.Fprintf(w, "%s\n", dir)
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return _tree(w, dir, "")
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}
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func _tree(w io.Writer, dir string, indent string) error {
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files, err := ioutil.ReadDir(dir)
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if err != nil {
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return err
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}
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for i, f := range files {
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fPath := filepath.Join(dir, f.Name())
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fIndent := indent
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if i < len(files)-1 {
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fIndent += "|-- "
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} else {
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fIndent += "`-- "
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}
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target := ""
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if f.Mode()&os.ModeSymlink == os.ModeSymlink {
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realPath, err := os.Readlink(fPath)
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if err != nil {
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target += fmt.Sprintf(" -> unknown (error: %v)", err)
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} else {
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target += " -> " + realPath
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}
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}
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fmt.Fprintf(w, "%s%s%s\n",
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fIndent, f.Name(), target)
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if f.IsDir() {
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dIndent := indent
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if i < len(files)-1 {
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dIndent += "| "
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} else {
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dIndent += " "
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}
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if err := _tree(w, fPath, dIndent); err != nil {
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return err
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}
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}
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}
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return nil
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}
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