vis-lua: add file.size to return file size in bytes

2 files changed, 6 insertions, 0 deletions

diff --git a/README.md b/README.md
index 7878c8a..dbde617 100644
--- a/README.md
+++ b/README.md
@@ -594,6 +594,7 @@ At this time there exists no API stability guarantees.
    - `name`
    - `lines[0..#lines+1]` array giving read/write access to lines
    - `newlines` type of newlines either `"nl"` or `"crnl"`
+   - `size` current file size in bytes
  - `window`
    - `file`
    - `syntax` lexer name used for syntax highlighting or `nil`
diff --git a/vis-lua.c b/vis-lua.c
index f3ec125..b21bca6 100644
--- a/vis-lua.c
+++ b/vis-lua.c
@@ -657,6 +657,11 @@ static int file_index(lua_State *L) {
 			}
 			return 1;
 		}
+
+		if (strcmp(key, "size") == 0) {
+			lua_pushunsigned(L, text_size(file->text));
+			return 1;
+		}
 	}
 
 	return index_common(L);