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file.go
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file.go
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package util
import (
"os"
"path/filepath"
)
func IsSymLink(file os.FileInfo) bool {
return file.Mode()&os.ModeSymlink != 0
}
func IsSymLinkMode(mode os.FileMode) bool {
return mode&os.ModeSymlink != 0
}
func IsExecutable(file os.FileInfo) bool {
return file.Mode()&0o111 != 0
}
func IsExecutableMode(mode os.FileMode) bool {
return mode&0o111 != 0
}
// RecursivelySizeOf returns the size of the file or directory
// depth < 0 means no limit
func RecursivelySizeOf(info os.FileInfo, depth int) int64 {
currentDepth := 0
if info.IsDir() {
totalSize := info.Size()
if depth < 0 {
// -1 means no limit
_ = filepath.WalkDir(
info.Name(), func(path string, dir os.DirEntry, err error) error {
if err != nil {
return err
}
if !dir.IsDir() {
info, err := dir.Info()
if err == nil {
totalSize += info.Size()
}
}
return nil
},
)
} else {
_ = filepath.WalkDir(
info.Name(), func(path string, dir os.DirEntry, err error) error {
if err != nil {
return err
}
if currentDepth > depth {
if dir.IsDir() {
return filepath.SkipDir
}
return nil
}
if !dir.IsDir() {
info, err := dir.Info()
if err == nil {
totalSize += info.Size()
}
}
if dir.IsDir() {
currentDepth++
}
return nil
},
)
}
return totalSize
}
return info.Size()
}