diff --git a/scripts/bids-combine.sh b/scripts/bids-combine.sh
new file mode 100755
index 0000000..93948db
--- /dev/null
+++ b/scripts/bids-combine.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+#
+# Combine bid CSVs (from bidcollect) into a single CSV
+#
+set -e
+
+# require directory as first argument
+if [ -z "$1" ]; then
+  echo "Usage: $0 <directory>"
+  exit 1
+fi
+
+cd $1
+date=$(basename $1)
+echo $date
+
+# ALL BIDS
+fn_out="all_${date}.csv"
+rm -f $fn_out
+echo "Writing to ${fn_out}"
+
+first="1"
+for fn in $(\ls all*); do
+    echo "- ${fn}"
+    if [ $first == "1" ]; then
+        head -n 1 $fn > $fn_out
+        first="0"
+    fi
+    tail -n +2 $fn >> $fn_out
+done
+echo "Wrote ${fn_out}"
+zip "${fn_out}.zip" $fn_out
+
+# TOP BIDS
+fn_out="top_${date}.csv"
+rm -f $fn_out
+echo "Writing to ${fn_out}"
+
+first="1"
+for fn in $(\ls top*); do
+    echo "- ${fn}"
+    if [ $first == "1" ]; then
+        head -n 1 $fn > $fn_out
+        first="0"
+    fi
+    tail -n +2 $fn >> $fn_out
+done
+echo "Wrote ${fn_out}"
+zip "${fn_out}.zip" $fn_out