1 files changed, 40 insertions, 0 deletions
diff --git a/scripts/confirm.py b/scripts/confirm.py
new file mode 100755
index 00000000..c3fe70ab
--- /dev/null
+++ b/scripts/confirm.py
@@ -0,0 +1,40 @@
+#!/usr/bin/python
+
+# This script confirms what ledger tells you.
+
+import sys
+import os
+import re
+
+def clean(num):
+    return float(re.sub("(\s+|\$|,)","",num))
+
+running_total = 0.0
+index = 1
+last_line = ""
+
+for line in os.popen("./ledger %s reg %s" % (sys.argv[1], sys.argv[2])):
+    value = clean(line[55:67])
+    total = clean(line[68:80])
+
+    running_total += value
+    if abs(running_total - total) > 0.001:
+	print "! discrepancy of %.2f (%.2f - %.2f) at line %d:" % \
+	      (running_total - total, running_total, total, index)
+	print line,
+	running_total = total
+
+    index += 1
+    last_line = line
+
+balance_total = 0.0
+
+for line in os.popen("./ledger %s bal %s" % (sys.argv[1], sys.argv[2])):
+    balance_total = clean(line[:20])
+
+if abs(balance_total - running_total) > 0.001:
+    print
+    print "! discrepancy of %.2f (%.2f - %.2f) between register and balance" % \
+	      (balance_total - running_total, balance_total, running_total)
+    print last_line,
+    print line,