golangHow to check if file exist
package main
import (
"fmt"
"os"
)
func main() {
if _, err := os.Stat("/etc/passwd"); err == nil {
fmt.Println("file is there!")
}
}ctrl + cpackage maindefault package declaration | "os"include operating-system level library |
func main() {declare | os.Statretrieve file stats |
err == nilif no error raised - file exists | |
Usage example
package main
import (
"fmt"
"os"
)
func main() {
if _, err := os.Stat("/etc/passwd"); err == nil {
fmt.Println("file is there!")
}
}output
file is there!