This is the command kctreemgr that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
kctreemgr - command line interface to manage the file tree database
The command `kctreemgr' is a utility for test and debugging of the file tree database and
its applications. `path' specifies the path of a database file. `key' specifies the key
of a record. `value' specifies the value of a record. `file' specifies the input/output
kctreemgr create [-otr] [-onl|-otl|-onr] [-apow num] [-fpow num] [-ts] [-tl] [-tc]
[-bnum num] [-psiz num] [-rcd|-rcld|-rcdd] path
Creates a database file.
kctreemgr inform [-onl|-otl|-onr] [-st] path
Prints status information.
kctreemgr set [-onl|-otl|-onr] [-add|-app|-rep|-inci|-incd] [-sx] path key value
Stores a record.
kctreemgr remove [-onl|-otl|-onr] [-sx] path key
Removes a record.
kctreemgr get [-onl|-otl|-onr] [-rm] [-sx] [-px] [-pz] path key
Prints the value of a record.
kctreemgr list [-onl|-otl|-onr] [-des] [-max num] [-rm] [-sx] [-pv] [-px] path
Prints keys of all records, separated by line feeds.
kctreemgr clear [-onl|-otl|-onr] path
Removes all records of a database.
kctreemgr import [-onl|-otl|-onr] [-sx] path [file]
Imports records from a TSV file.
kctreemgr copy [-onl|-otl|-onr] path file
Copies the whole database.
kctreemgr dump [-onl|-otl|-onr] path [file]
Dumps records into a snapshot file.
kctreemgr load [-otr] [-onl|-otl|-onr] path [file]
Loads records from a snapshot file.
kctreemgr defrag [-onl|-otl|-onr] path
kctreemgr setbulk [-onl|-otl|-onr] path key value ...
Store records at once.
kctreemgr removebulk [-onl|-otl|-onr] [-sx] path key ...
Remove records at once.
kctreemgr getbulk [-onl|-otl|-onr] [-sx] [-px] path key ...
Retrieve records at once.
kctreemgr check [-onl|-otl|-onr] path
Options feature the following.
-otr : opens the database with the truncation option.
-onl : opens the database with the no locking option.
-otl : opens the database with the try locking option.
-onr : opens the database with the no auto repair option.
-apow num : specifies the power of the alignment of record size.
-fpow num : specifies the power of the capacity of the free block pool.
-ts : tunes the database with the small option.
-tl : tunes the database with the linear option.
-tc : tunes the database with the compression option.
-bnum num : specifies the number of buckets of the hash table.
-psiz num : specifies the size of each page.
-rcd : use the decimal comparator instead of the lexical one.
-rcld : use the lexical descending comparator instead of the ascending one.
-rcdd : use the decimal descending comparator instead of the lexical one.
-st : prints miscellaneous information.
-add : performs adding operation.
-app : performs appending operation.
-rep : performs replacing operation.
-inci : performs integer increment operation.
-incd : performs real number increment operation.
-sx : the input data is evaluated as a hexadecimal data string.
-rm : removes the record.
-px : the output data is converted into a hexadecimal data string.
-pz : does not append line feed at the end of the output.
-des : visits records in descending order.
-max num : specifies the maximum number of shown records.
-pv : prints values of records also.
This command returns 0 on success, another on failure.
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