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21 The gdbm_dump
utility
The gdbm_dump
utility creates a flat file dump of a GDBM
database (see section Export and Import). It takes one mandatory argument: the
name of the source database file. The second argument, if given,
specifies the name of the output file. If not given,
gdbm_dump
will produce the dump on the standard output.
For example, the following invocation creates a dump of the database ‘file.db’ in the file ‘file.dump’:
$ gdbm_dump file.db file.dump
By default the utility creates dumps in ASCII format (see section ASCII). Another format can be requested using the ‘--format’ (‘-H’) option.
The gdbm_dump
utility understands the following command line
options:
- ‘-H fmt’
- ‘--format=fmt’
Select output format. Valid values for fmt are: ‘binary’ or ‘0’ to select binary dump format, and ‘ascii’ or ‘1’ to select ASCII format.
- ‘-h’
- ‘--help’
Print a concise help summary.
- ‘-V’
- ‘--version’
Print program version and licensing information and exit.
- ‘--usage’
Print a terse invocation syntax summary along with a list of available command line options.
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