This commit is contained in:
Sangeeth Sudheer 2024-05-03 22:10:28 +05:30
parent fc2dc32323
commit 5accc42e13
Signed by: x
GPG Key ID: F6D06ECE734C57D1
2 changed files with 70 additions and 2 deletions

66
dir/dir.go Normal file
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@ -0,0 +1,66 @@
package dir
import (
"fmt"
"io/fs"
"os"
"path/filepath"
)
func check(err error) {
if err != nil {
panic(err)
}
}
func createEmptyFile(p string) {
check(os.WriteFile(p, []byte(""), 0700))
}
func Dir() {
dirPath := "/tmp/gobyex-tempdir"
err := os.Mkdir(dirPath, 0700)
check(err)
defer os.RemoveAll(dirPath)
createEmptyFile(filepath.Join(dirPath, "file1"))
check(os.MkdirAll(filepath.Join(dirPath, "child", "grandchild"), 0700))
createEmptyFile(filepath.Join(dirPath, "child", "grandchild", "file1"))
createEmptyFile(filepath.Join(dirPath, "child", "grandchild", "file2"))
createEmptyFile(filepath.Join(dirPath, "child", "grandchild", "file3"))
check(os.Mkdir(filepath.Join(dirPath, "child", "grandchild", "dir1"), 0700))
entries, err := os.ReadDir(filepath.Join(dirPath, "child", "grandchild"))
check(err)
fmt.Println("Lisitng", filepath.Join(dirPath, "child", "grandchild"))
for _, entry := range entries {
fmt.Printf("%s, is dir? %t\n", entry.Name(), entry.IsDir())
}
check(os.Chdir(dirPath))
entries, err = os.ReadDir(".")
check(err)
fmt.Println("Listing", dirPath)
for _, entry := range entries {
fmt.Printf("%s, is dir? %t\n", entry.Name(), entry.IsDir())
}
fmt.Println("Walking the file tree at", dirPath)
// WalkDir is more efficient than Walk
check(filepath.WalkDir(".", walk))
}
func walk(p string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
fmt.Println(" ", p, "is dir?", d.IsDir())
return nil
}

View File

@ -37,7 +37,8 @@ package main
// import "git.sangeeth.dev/gobyexample/files" // import "git.sangeeth.dev/gobyexample/files"
// import "git.sangeeth.dev/gobyexample/linefilter" // import "git.sangeeth.dev/gobyexample/linefilter"
// import "git.sangeeth.dev/gobyexample/exit" // import "git.sangeeth.dev/gobyexample/exit"
import "git.sangeeth.dev/gobyexample/filepath" // import "git.sangeeth.dev/gobyexample/filepath"
import "git.sangeeth.dev/gobyexample/dir"
func main() { func main() {
// runes.Runes() // runes.Runes()
@ -77,5 +78,6 @@ func main() {
// files.Files() // files.Files()
// linefilter.LineFilter() // linefilter.LineFilter()
// exit.Exit() // exit.Exit()
filepath.Filepath() // filepath.Filepath()
dir.Dir()
} }