error handlind PathError explained

error_handling/demo1.go

@@ -1,10 +1,11 @@
-/**
+/*
+*
 
 error handling - trying to open a file which does not exist
 
-BSD 3-Clause License
+# BSD 3-Clause License
 
-Copyright (c) 2024 Mass Collaboration Labs and contributors
+# Copyright (c) 2024 Mass Collaboration Labs and contributors
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
@@ -31,20 +32,25 @@ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
- **/
+	*
+*/
 package error_handling
 
 import "os"
 import "fmt"
 
-
 func Demo1() {
-	f, err := os.Open("demo1.txt")
+	f, err := os.Open("demo11.txt")
 	if err != nil {
+		if pErr, ok := err.(*os.PathError); ok {
+			fmt.Println("File does not exist : ", pErr.Path)
+			return
+		} else {
 			fmt.Println("File does not exist")
+			return
+		}
 	} else {
 		fmt.Println(f.Name())
 	}
 
 }
-