text: #!/usr/bin/python
  
  from __future__ import print_function
  
  # This script confirms both that the register report "adds up", and that its
  # final balance is the same as what the balance report shows.
  
  import sys
  import os
  import re
  
  from LedgerHarness import LedgerHarness
  
  harness = LedgerHarness(sys.argv)
  tests   = sys.argv[3]
  
  if not os.path.isdir(tests) and not os.path.isfile(tests):
      sys.stderr.write("'%s' is not a directory or file (cwd %s)" %
                       (tests, os.getcwd()))
      sys.exit(1)
  
  commands = [
      "-f '$tests/standard.dat' -O 0ecbb1b15e2cf3e515cc0f8533e5bb0fb2326728",
      "-f '$tests/standard.dat' -B c56a21d23a6535184e7152ee138c28974f14280c",
      "-f '$tests/standard.dat' -V c56a21d23a6535184e7152ee138c28974f14280c",
      "-f '$tests/standard.dat' -G c56a21d23a6535184e7152ee138c28974f14280c",
      "-f '$tests/standard.dat' -B c0226fafdf9e6711ac9121cf263e2d50791859cb",
      "-f '$tests/standard.dat' -V c0226fafdf9e6711ac9121cf263e2d50791859cb",
      "-f '$tests/standard.dat' -G c0226fafdf9e6711ac9121cf263e2d50791859cb"
  ]
  
  def clean(num):
      num = re.sub("(\s+|\$|,)","", num)
      m = re.search("([-0-9.]+)", num)
      if m:
          return float(m.group(1))
      else:
          return float(num)
  
  def confirm_report(command):
      index         = 1
      last_line     = ""
      failure       = False
      running_total = 0.0
  
      p = harness.run(re.sub('\$cmd', 'reg', command))
  
      for line in harness.readlines(p.stdout):
          match = re.match("\\s*([-$,0-9.]+)\\s+([-$,0-9.]+)", line[54:])
          if not match:
              continue
  
          value = clean(match.group(1))
          total = clean(match.group(2))
          running_total += value
  
          diff = abs(running_total - total)
          if re.search(' -[VGB] ', command) and diff < 0.015:
              diff = 0.0
          if diff > 0.001:
              print("DISCREPANCY: %.3f (%.3f - %.3f) at line %d:" % \)
                    (running_total - total, running_total, total, index)
              print(line,)
              running_total = total
              failure = True
  
          index += 1
          last_line = line
  
      balance_total = 0.0
  
      p = harness.run(re.sub('\$cmd', 'bal', command))
  
      for line in harness.readlines(p.stdout):
          if line[0] != '-':
              balance_total = clean(line[:20])
  
      diff = abs(balance_total - running_total)
      if re.search(' -[VGB] ', command) and diff < 0.015:
          diff = 0.0
      if diff > 0.001:
          print()
          print("DISCREPANCY: %.3f (%.3f - %.3f) between register and balance" % \)
                    (balance_total - running_total, balance_total, running_total)
          print(last_line,)
          failure = True
  
      return not failure
  
  for cmd in commands:
      if confirm_report('$ledger --rounding $cmd ' + re.sub('\$tests', tests, cmd)):
          harness.success()
      else:
          harness.failure()
  
  harness.exit()
  