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tomli

tomli is a format preserving command-line tool for querying and editing TOML files.

This project is currently under development and the command-line interface can change at any time.

Installation

Using Cargo

cargo install tomli

Usage

By default, tomli will read from stdin unless --filepath is specified.

Query expressions

tomli tries to use the same syntax as jq for query expressions. The following expressions are currently supported:

  • Key and table identifier paths, e.g foo.bar or . (whole document)
  • Array indices, e.g. foo[0] or foo.bar[0][1]

Query TOML files

Examples:

Get the value of the name key from the package table:

tomli query -f Cargo.toml package.name

Get the first element of the array called bin:

tomli query -f Cargo.toml bin[0]

Edit TOML files

tomli currently supports the following types when setting a value:

The value type can be specified with the --type argument. If not type is specified, then str is used.

Examples:

Add a new key to the package table called website:

tomli set -f Cargo.toml package.website https://example.com

Set the name of the first element in the bin array to tumli:

tomli set -f Cargo.toml bin[0].name tumli

Add a new table called website to the first element of the bin array:

tomli set -f Cargo.toml bin[0].website.url https://example.com

Delete name in the table package:

tomli delete -f Cargo.toml package.name

Delete the first element in the array authors:

tomli delete -f Cargo.toml package.authors[0]

License

The source code is primarily distributed under the terms of the MIT License. See LICENSE for details.