inotail.c: Remember last printed header

Prevents inotail from printing the header with the name of the file
everytime it changes.

1 files changed, 5 insertions, 1 deletions

diff --git a/inotail.c b/inotail.c
index a53d1e5..9b37b55 100644
--- a/inotail.c
+++ b/inotail.c
@@ -101,9 +101,13 @@ static inline char *pretty_name(char *filename)
 static void write_header(char *filename)
 {
 	static unsigned short first_file = 1;
+	static char *last = NULL;
+
+	if (last != filename)
+		fprintf(stdout, "%s==> %s <==\n", (first_file ? "" : "\n"), pretty_name(filename));
 
-	fprintf(stdout, "%s==> %s <==\n", (first_file ? "" : "\n"), pretty_name(filename));
 	first_file = 0;
+	last = filename;
 }
 
 static off_t lines_to_offset_from_end(struct file_struct *f, unsigned int n_lines)