diff --git a/journal.py b/journal.py
index 48a5f4f..158c362 100644
--- a/journal.py
+++ b/journal.py
@@ -95,6 +95,15 @@ def edit_text(text, suffix=''):
 def prompt(text):
     return input(text + ' [y/n] ') == 'y'
 
+def find_entries(journal, pred):
+    matches = []
+    for day in journal['days']:
+        for idx, entry in enumerate(journal['days'][day]['entries']):
+            for block in entry['blocks']:
+                if pred(day, entry, block):
+                    matches.append((day, idx, entry['timestamp']))
+    return matches
+
 ### DATE UTILS
 
 def parse_date(date):
@@ -954,9 +963,10 @@ def handle_backup(args):
     if prompt('Delete backup archive?'):
         archive_path.unlink()
 
-def handle_search(args):
-    query = args[0]
+def edit_entries(entries):
+    pass
 
+def parse_search_query(query):
     parts = query.split(',')
 
     strings = []
@@ -967,43 +977,54 @@ def handle_search(args):
             tags.append(part.removeprefix('#'))
         else:
             strings.append(part)
-    
-    journal = load_journal()
 
-    matches = {}
+    return strings, tags
 
-    for day in journal['days']:
-        for i, entry in enumerate(journal['days'][day]['entries']):
-            for block in entry['blocks']:
-                if isinstance(block, str):
-                    words = get_words(block)
-                    if any(s in words for s in strings):
-                        matches[entry['timestamp']] = (day, i)
-                        break
-                elif block['type'] == 'tag':
-                    if any(t in block['value'] for t in tags):
-                        matches[entry['timestamp']] = (day, i)
-                        break
+def edit_entries_by_predicate(journal, predicate, reversed=False):
+    matches = find_entries(journal, predicate)
 
-    result = ''
-    result += f'Num matches: {len(matches)}\n'
-    result += '---\n'
+    header = f'Number of matches: {len(matches)}'
 
-    for day, idx in matches.values():
+    text = header
+
+    for day, idx, ts in matches:
         entry = journal['days'][day]['entries'][idx]
-        result += generate_entry(entry)
+        text += generate_entry(entry)
 
-    text = edit_text(result)
+    text = edit_text(text)
 
     _, *tmp = ENTRY_RE.split(text)
     entries = [parse_entry(ts, c) for ts, c in list(zip(tmp[::2], tmp[1::2]))]
 
-    for entry in entries:
-        day, idx = matches[entry['timestamp']]
+    matches_map = {ts: (day, idx) for day, idx, ts in matches}
 
+    for entry in entries:
+        day, idx = matches_map[entry['timestamp']]
         journal['days'][day]['entries'][idx] = entry
 
-    save_journal(journal)
+    return journal
+
+def handle_search(args):
+    strings, tags = parse_search_query(args[0])
+
+    def predicate(day, entry, block):
+        if isinstance(block, str):
+            words = get_words(block)
+            if any(s in words for s in strings):
+                return True
+        elif block['type'] == 'tag':
+            if any(t in block['value'] for t in tags):
+                return True
+    
+    save_journal(edit_entries_by_predicate(load_journal(), predicate))
+
+def handle_tasks(args):
+    def predicate(day, entry, block):
+        if not isinstance(block, str) and block['type'] == 'task':
+            is_done = any(b['type'] == 'done' for b in entry['blocks'] if not isinstance(b, str))
+            return not is_done
+
+    save_journal(edit_entries_by_predicate(load_journal(), predicate))
 
 ### MAIN
 
@@ -1025,6 +1046,7 @@ def main():
         'summary': handle_summary,
         'backup': handle_backup,
         'search': handle_search,
+        'tasks': handle_tasks
     }
 
     handler = command_handlers.get(command, handle_invalid)