ndb

package module
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 Go to latest Published: Dec 4, 2025 License: MIT Imports: 9 Imported by: 3

README

ndb: Network Database

this is an implementation of ndb(6) from plan 9.

see ndb for docs.

see ndbquery.go for an example program.

see ndb(6) for more information.

Documentation

Overview

Package ndb implements the Network Database described in http://plan9.bell-labs.com/magic/man2html/6/ndb.

Index

Constants

View Source 
const (
	// Default NDB file
	NdbLocal = "/lib/ndb/local"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Ndb 

type Ndb struct {
	// contains filtered or unexported fields
}

Ndb possibly comprised of multiple files.

func Open 

func Open(fname string) (*Ndb, error)

Open an NDB database file.

func (*Ndb) Changed 

func (n *Ndb) Changed() (bool, error)

Check if any db files changed.

func (*Ndb) Reopen 

func (n *Ndb) Reopen() error

Reopen NDB file.

func (*Ndb) Search 

func (n *Ndb) Search(attr, val string) RecordSet

Search for a record set with the given attr=val. Returns no records (nil) if not found.

type Record 

type Record []Tuple

A NDB record, which may contain multiple tuples, and may span multiple lines in the file.

type RecordSet 

type RecordSet []Record

RecordSet is a related group of records, from a single entry in ndb.

func (RecordSet) Search 

func (r RecordSet) Search(attr string) string

Search a RecordSet for a given attribute and return the value. Returns "" if not present.

type Tuple 

type Tuple struct {
	Attr, Val string
}

A single database attribute=value tuple. The value may be empty.

Source Files

View all Source files

Directories

Path Synopsis
cmd
ndbquery command

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