Access Map (cont)

• brief digression: overview of maps

  • associate a key with a value for quick lookup
  • create as normal Unix text file
    • general format of each entry (one per line):
      • KEY <tab> VALUE
  • use makemap to generate map file
    • for DBM maps (creates file.dir and file.pag):
      • makemap dbm file < file
    • for Berkeley DB maps (creates file.db file):
      • makemap hash file < file