-- in.journal --
~ monthly
    expenses:food  $100
    assets:cash

= expr:big
    expenses:food  $200
    assets:cash

-- expect --
files (1):
  0: in.journal

commodities (1):
  $
    directives: 0
    used: 2
    usages: 2
      file 0: $ ("100")
      file 0: $ ("200")

accounts (2):
  assets:cash
    directives: 0
    used: 2
    usages: 2
      file 0: assets:cash
      file 0: assets:cash
  expenses:food
    directives: 0
    used: 2
    usages: 2
      file 0: expenses:food
      file 0: expenses:food

payees (0):

prefixes (2):
  assets:
    assets:cash
  expenses:
    expenses:food

transactions: 0
periodic transactions: 1
automated transactions: 1

directives (0):

transaction keys (0):

payee templates (0):

dates (0):

tag names (0):

commodity decimal marks (1):
  $: .