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 file.
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 [
key]
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
Performs defragmentation.
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
Checks consistency.
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.