Database

Database -- the class of all database files.

     i1 = run "rm -f /tmp/tmpdbm*"
     
     o1 = 0

     i2 = x = openDatabaseOut "/tmp/tmpdbm"
     
     o2 = --database /tmp/tmpdbm--
     
     o2 : Database

     i3 = x#"first" = "hi there"
     
     o3 = "hi there"

     i4 = x#"first"
     
     o4 = "hi there"

     i5 = x#"second" = "ho there"
     
     o5 = "ho there"

     i6 = scanKeys(x,print)
     
     "first"
     "second"

     i7 = run "rm -f /tmp/tmpdbm*"
     
     o7 = 0

Functions:

openDatabase -- open a database file

openDatabaseOut -- open a database file for writing

close -- close a database file

# -- fetch or store in a database file

#? -- query a database file

firstkey -- get the first key

mutable -- whether changes can be made

nextkey -- get the next key

reorganize -- compactify a database file

scanKeys -- apply a function to each key