Initial commit

pkg/file/file.go

@@ -0,0 +1,27 @@
+package file
+
+import (
+	"go_project/pkg/behaivor"
+	"os"
+)
+
+// Verification of the existence of a program with an emergency termination in case of an error
+func MustIsNotExist(filename string) (result bool) {
+	_, err := os.Stat(filename)
+	if err != nil {
+		result = os.IsNotExist(err)
+	} else {
+		return false
+	}
+	if result == false {
+		behaivor.Anxiety("Error checking the existence of the file", err)
+	}
+	return true
+}
+
+// Create a file with truncated data
+func MustCreate(filename string) {
+	file, err := os.Create(filename)
+	behaivor.Anxiety("File creating error", err)
+	file.Close()
+}