LevelDB-CLI: a simple utility for debugging LevelDB

Command-line utility for working with levelDB. This utility is useful for debugging applications using the database LevelDB

Installation and build

go install github.com/liderman/leveldb-cli@latest

Requirements

• go1.5 or newer.

Usage

# ./leveldb-cli

» open testdb
Database not exist! Create new database.
Success
testdb» set key100 value100
Success
testdb» set key200 value200
Success
testdb» set key300 value300
Success
testdb» set "key \"123" value
Success
testdb» show prefix key
Key	      | Value
key100	  | value100
key200	  | value200
key300	  | value300
key \"123 | value

testdb» show range key2 key3
Key	| Value
key200	| value200

testdb» close
Success
» exit

Commands

open

open DATABASE_NAME

Opens database. If the database does not exist, it is created. You can use this method to create a new database.

• DATABASE_NAME - The database name or path

close

close

It closes a previously opened database.

set

set KEY VALUE

Set the value of for a key.

• KEY - The key
• VALUE - The value

delete

delete KEY

Delete the record by key.

• KEY - The key

get

get KEY [FORMAT]

Display value by key.

• KEY - The key
• FORMAT - Data Display Format (Optional)

export

export KEY FILENAME

Write value by key to file with specified filename or path.

• KEY - The key
• FILENAME - File name of the output file

show

show prefix KEY_PREFIX [FORMAT]

Displays all values the keys that begin with the prefix.

• KEY_PREFIX - The prefix to list of keys
• FORMAT - Data Display Format (Optional)

show range START LIMIT [FORMAT]

Displays all values, the keys of which are in the range between "START" and "LIMIT".

• START - The key or key prefix indicating the beginning of the range
• LIMIT - The key or key prefix indicating the end of the range
• FORMAT - Data Display Format (Optional)

show limit LIMIT [FORMAT]

Displays all content of the database limited by "LIMIT".

• LIMIT - Limiting the number of records displayed
• FORMAT - Data Display Format (Optional)

The list of formats available to display

• raw - Raw data without processing (default)
• bson - Attempts to convert the data to be displayed from bson to json
• geohash - Attempts to convert the data format of the geohash in the coordinates of the center (lat, lng)
• int64 - Attempts to display the data as an integer 64-bit number
• float64 - Attempts to display the data as a 64-bit number c with a floating point

help

help

Displays short usage software

version

version

Displays the current version of software and operating systems on which it runs

LICENSE

Project distributes with standard MIT license