add file_loader.go

Author: NullpointerW

pkg/util/file_loader.go

@@ -0,0 +1,27 @@
+package util
+
+import (
+	"bufio"
+	"io"
+	"os"
+)
+
+func LoadLineString(n string) ([]string, error) {
+	f, err := os.Open(n)
+	defer f.Close()
+	if err != nil {
+		return nil, err
+	}
+	r := bufio.NewReader(f)
+	var s []string
+	for {
+		b, _, err := r.ReadLine()
+		if err == io.EOF {
+			break
+		} else if err != nil {
+			return nil, err
+		}
+		s = append(s, string(b))
+	}
+	return s, nil
+}