1 files changed, 7 insertions, 0 deletions

diff --git a/unit_trace/trace_reader.py b/unit_trace/trace_reader.py
index 3cbce17..5cfbbe3 100644
--- a/unit_trace/trace_reader.py
+++ b/unit_trace/trace_reader.py
@@ -75,6 +75,9 @@ def trace_reader(files):
     # fatally if they are not.
     last_time = None
 
+    # We want to give records ID numbers so users can filter by ID
+    id = 0
+
     # Keep pulling records as long as we have a buffer
     while len(file_iter_buff) > 0:
 
@@ -109,6 +112,10 @@ def trace_reader(files):
         else:
             last_time = earliest.when
 
+        # Give the record an id number
+        id += 1
+        earliest.id = id
+
         # Yield the record
         yield earliest