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Man Pages


Manual Reference Pages  -  TCHMGR (1)

NAME

tchmgr - the command line utility of the hash database API

CONTENTS

Description
See Also

DESCRIPTION

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.

SEE ALSO

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

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Man Page TCHMGR (1) 2012-08-18

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