Add utility for diffing segbits from two databases.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>

utils/diff_db_bits.sh

@@ -0,0 +1,26 @@
+#!/bin/bash -e
+
+# diff_db_bits.sh <database a> <database b>
+#
+# Tool for comparing database segbits outputs from two database's.
+
+DIR_A=$1
+DIR_B=$2
+
+for A_DB_IN in $( ls ${DIR_A}/segbits*.db ); do
+    A_DB_OUT="$(mktemp)_a_$(basename ${A_DB_IN})"
+    B_DB_OUT="$(mktemp)_b_$(basename ${A_DB_IN})"
+
+    B_DB_IN="${DIR_B}/$(basename ${A_DB_IN})"
+
+    if [ ! -f "${B_DB_IN}" ]; then
+        echo "${B_DB_IN} not found!"
+        continue
+    fi
+
+    sort ${A_DB_IN} > ${A_DB_OUT}
+    sort ${B_DB_IN} > ${B_DB_OUT}
+
+    echo "Comparing $(basename ${A_DB_IN})"
+    diff -U 0 ${A_DB_OUT} ${B_DB_OUT} || true
+done