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16 Test and modify a GDBM database.

The testgdbm utility allows you to view and modify an existing GDBM database or to create a new one.

When invoked without options, it tries to open a database file called ‘junk.gdbm’, located in the current working directory. You can change this default using the ‘-g’ command line option. This option takes a single argument, specifying the file name to open, e.g.:

$ testgdbm -g file.db

The database will be opened in read-write mode, unless the ‘-r’ option is specified, in which case it will be opened only for reading.

If the database does not exist, testgdbm will create it. There is a special option ‘-n’, which instructs the utility to create a new database. If it is used and if the database already exists, it will be deleted, so use it sparingly.


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