fix PR#7 comments

1 files changed, 35 insertions, 0 deletions

diff --git a/file.go b/file.go
new file mode 100644
index 0000000..86baf7d
--- /dev/null
+++ b/file.go
@@ -0,0 +1,35 @@
+package git
+
+import (
+	"bytes"
+	"io"
+	"strings"
+
+	"gopkg.in/src-d/go-git.v2/core"
+)
+
+// File represents git file objects.
+type File struct {
+	Name string
+	io.Reader
+	Hash core.Hash
+}
+
+// Contents returns the contents of a file as a string.
+func (f *File) Contents() string {
+	buf := new(bytes.Buffer)
+	buf.ReadFrom(f)
+	return buf.String()
+}
+
+// Lines returns a slice of lines from the contents of a file, stripping
+// all end of line characters. If the last line is empty (does not end
+// in an end of line), it is also stripped.
+func (f *File) Lines() []string {
+	splits := strings.Split(f.Contents(), "\n")
+	// remove the last line if it is empty
+	if splits[len(splits)-1] == "" {
+		return splits[:len(splits)-1]
+	}
+	return splits
+}