Database -- the class of all database files

Database -- the class of all database files

The type Database is a member of the class Type. Each object of class Database is called a database.

A database file is just like a hash table, except both the keys and values have to be strings.

i1 : filename = temporaryFileName () | ".dbm"



o1 = /tmp/M2-24760-1.dbm

i2 : x = openDatabaseOut filename



o2 = /tmp/M2-24760-1.dbm



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 : close x



o7 = 0

i8 : run ("rm -f " | filename)



o8 = 0

See also:

HashTable -- the class of all hash tables

String -- the class of all strings

Functions and methods returning a a database :

Methods for using a database :

Database # String -- get value from database

Database #? String -- check for value in database