This is an education project that attempts to reimplement the GNU coreutils in Go. You can find the full manual here:
https://www.gnu.org/software/coreutils/manual/coreutils.html
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45 lines
832 B
45 lines
832 B
package main
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import (
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"fmt"
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"log"
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"flag"
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"io/fs"
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"path/filepath"
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)
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func StatDir(target_path string) error {
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var cur_dir string
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var cur_size int64
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// NOTE: cover the difference betweeen filepath.WalkDir and fs.WalkDir
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err := filepath.WalkDir(target_path, func (path string, d fs.DirEntry, err error) error {
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if d.IsDir() {
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if cur_dir != path {
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loc := filepath.Join(target_path, cur_dir)
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fmt.Printf("%s %d\n", loc, cur_size / 1024)
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cur_dir = path
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cur_size = 0
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}
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} else {
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info, err := d.Info()
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if err != nil { return nil }
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cur_size += info.Size()
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}
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return nil
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})
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return err
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}
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func main() {
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flag.Parse()
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paths := flag.Args()
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for _, path := range paths {
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err := StatDir(path)
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if err != nil { log.Fatal(err) }
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}
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}
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