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misc.go
executable file
·59 lines (51 loc) · 861 Bytes
/
misc.go
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package sdfile
import (
"os"
"path/filepath"
)
// Directory
func IsDir(filename string) bool {
fi, err := os.Stat(filename)
if err != nil {
return false
}
return fi.Mode().IsDir()
}
func BinDir() string {
dir, err := os.Executable()
if err != nil {
return ""
}
return filepath.Dir(dir)
}
func AbsByBin(filename string) string {
if filename == "" {
return BinDir()
}
if filepath.IsAbs(filename) {
return filename
}
r, err := filepath.Abs(filepath.Join(BinDir(), filename))
if err != nil {
return ""
}
return r
}
// Exists
func Exists(filename string) bool {
if _, err := os.Stat(filename); err == nil {
return true
}
return false
}
func FirstExists(filenames ...string) string {
if len(filenames) == 0 {
return ""
}
for _, filename := range filenames {
if Exists(filename) {
return filename
}
}
return ""
}