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162 lines
3.6 KiB
162 lines
3.6 KiB
# shell-quote <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
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[![github actions][actions-image]][actions-url]
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[![coverage][codecov-image]][codecov-url]
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[![License][license-image]][license-url]
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[![Downloads][downloads-image]][downloads-url]
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[![npm badge][npm-badge-png]][package-url]
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Parse and quote shell commands.
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# example
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## quote
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``` js
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var quote = require('shell-quote/quote');
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var s = quote([ 'a', 'b c d', '$f', '"g"' ]);
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console.log(s);
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```
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output
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```
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a 'b c d' \$f '"g"'
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```
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## parse
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``` js
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var parse = require('shell-quote/parse');
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var xs = parse('a "b c" \\$def \'it\\\'s great\'');
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console.dir(xs);
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```
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output
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```
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[ 'a', 'b c', '\\$def', 'it\'s great' ]
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```
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## parse with an environment variable
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``` js
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var parse = require('shell-quote/parse');
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var xs = parse('beep --boop="$PWD"', { PWD: '/home/robot' });
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console.dir(xs);
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```
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output
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```
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[ 'beep', '--boop=/home/robot' ]
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```
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## parse with custom escape character
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``` js
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var parse = require('shell-quote/parse');
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var xs = parse('beep ^--boop="$PWD"', { PWD: '/home/robot' }, { escape: '^' });
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console.dir(xs);
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```
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output
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```
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[ 'beep --boop=/home/robot' ]
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```
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## parsing shell operators
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``` js
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var parse = require('shell-quote/parse');
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var xs = parse('beep || boop > /byte');
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console.dir(xs);
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```
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output:
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```
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[ 'beep', { op: '||' }, 'boop', { op: '>' }, '/byte' ]
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```
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## parsing shell comment
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``` js
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var parse = require('shell-quote/parse');
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var xs = parse('beep > boop # > kaboom');
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console.dir(xs);
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```
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output:
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```
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[ 'beep', { op: '>' }, 'boop', { comment: '> kaboom' } ]
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```
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# methods
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``` js
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var quote = require('shell-quote/quote');
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var parse = require('shell-quote/parse');
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```
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## quote(args)
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Return a quoted string for the array `args` suitable for using in shell
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commands.
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## parse(cmd, env={})
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Return an array of arguments from the quoted string `cmd`.
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Interpolate embedded bash-style `$VARNAME` and `${VARNAME}` variables with
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the `env` object which like bash will replace undefined variables with `""`.
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`env` is usually an object but it can also be a function to perform lookups.
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When `env(key)` returns a string, its result will be output just like `env[key]`
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would. When `env(key)` returns an object, it will be inserted into the result
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array like the operator objects.
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When a bash operator is encountered, the element in the array with be an object
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with an `"op"` key set to the operator string. For example:
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```
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'beep || boop > /byte'
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```
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parses as:
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```
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[ 'beep', { op: '||' }, 'boop', { op: '>' }, '/byte' ]
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```
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# install
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With [npm](http://npmjs.org) do:
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```
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npm install shell-quote
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```
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# license
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MIT
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[package-url]: https://npmjs.org/package/shell-quote
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[npm-version-svg]: https://versionbadg.es/ljharb/shell-quote.svg
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[deps-svg]: https://david-dm.org/ljharb/shell-quote.svg
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[deps-url]: https://david-dm.org/ljharb/shell-quote
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[dev-deps-svg]: https://david-dm.org/ljharb/shell-quote/dev-status.svg
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[dev-deps-url]: https://david-dm.org/ljharb/shell-quote#info=devDependencies
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[npm-badge-png]: https://nodei.co/npm/shell-quote.png?downloads=true&stars=true
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[license-image]: https://img.shields.io/npm/l/shell-quote.svg
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[license-url]: LICENSE
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[downloads-image]: https://img.shields.io/npm/dm/shell-quote.svg
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[downloads-url]: https://npm-stat.com/charts.html?package=shell-quote
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[codecov-image]: https://codecov.io/gh/ljharb/shell-quote/branch/main/graphs/badge.svg
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[codecov-url]: https://app.codecov.io/gh/ljharb/shell-quote/
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[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/shell-quote
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[actions-url]: https://github.com/ljharb/shell-quote/actions
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