From 445a9885cfcf096353f052dab8f943495ba5747a Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Sat, 2 Jan 2016 19:08:32 +0100
Subject: [PATCH] Notes: Implement command_rm_tags

---
 src/module/notes/mod.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/module/notes/mod.rs b/src/module/notes/mod.rs
index 399f5778..f08722fb 100644
--- a/src/module/notes/mod.rs
+++ b/src/module/notes/mod.rs
@@ -149,7 +149,16 @@ impl<'a> Notes<'a> {
     }
 
     fn command_rm_tags(&self, matches: &ArgMatches) -> bool {
-        unimplemented!()
+        use module::helpers::header::tags::data::alter_tags_in_files;
+        use self::header::rebuild_header_with_tags;
+
+        let parser = Parser::new(JsonHeaderParser::new(None));
+        alter_tags_in_files(self, matches, &parser, |old_tags, cli_tags| {
+            old_tags.clone()
+                .into_iter()
+                .filter(|tag| !cli_tags.contains(tag))
+                .collect()
+        }, rebuild_header_with_tags)
     }
 
     fn command_set_tags(&self, matches: &ArgMatches) -> bool {