TCHMGR

tchmgr − the command line utility of the hash database API

The command ‘tchmgr’ is a utility for test and debugging of the hash database API and its applications. ‘path’ specifies the path of a database file. ‘bnum’ specifies the number of buckets. ‘apow’ specifies the power of the alignment. ‘fpow’ specifies the power of the free block pool. ‘key’ specifies the key of a record. ‘value’ specifies the value of a record. ‘file’ specifies the input file.

tchmgr create [−tl] [−td|−tb|−tt|−tx] path [bnum [apow [fpow]]]

Create a database file.

tchmgr inform [−nl|−nb] path

Print miscellaneous information to the standard output.

tchmgr put [−nl|−nb] [−sx] [−dk|−dc|−dai|−dad] path key value

Store a record.

tchmgr out [−nl|−nb] [−sx] path key

Remove a record.

tchmgr get [−nl|−nb] [−sx] [−px] [−pz] path key

Print the value of a record.

tchmgr list [−nl|−nb] [−m num] [−pv] [−px] [−fm str] path

Print keys of all records, separated by line feeds.

tchmgr optimize [−tl] [−td|−tb|−tt|−tx] [−tz] [−nl|−nb] [−df] path [bnum [apow [fpow]]]

Optimize a database file.

tchmgr importtsv [−nl|−nb] [−sc] path [file]

Store records of TSV in each line of a file.

tchmgr version

Print the version information of Tokyo Cabinet.

Options feature the following.

−tl : enable the option ‘HDBTLARGE’.
−td : enable the option ‘HDBTDEFLATE’.
−tb : enable the option ‘HDBTBZIP’.
−tt : enable the option ‘HDBTTCBS’.
−tx : enable the option ‘HDBTEXCODEC’.
−nl : enable the option ‘HDBNOLCK’.
−nb : enable the option ‘HDBLCKNB’.
−sx : the input data is evaluated as a hexadecimal data string.
−dk : use the function ‘tchdbputkeep’ instead of ‘tchdbput’.
−dc : use the function ‘tchdbputcat’ instead of ‘tchdbput’.
−dai : use the function ‘tchdbaddint’ instead of ‘tchdbput’.
−dad : use the function ‘tchdbadddouble’ instead of ‘tchdbput’.
−px : the output data is converted into a hexadecimal data string.
−pz : do not append line feed at the end of the output.
−m num : specify the maximum number of the output.
−pv : print values of records also.
−fm str : specify the prefix of keys.
−tz : enable the option ‘UINT8_MAX’.
−df : perform defragmentation only.
−sc : normalize keys as lower cases.

This command returns 0 on success, another on failure.

tchtest(1), tchmttest(1), tchdb(3), tokyocabinet(3)