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quoted-printable
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Readme
quoted-printable is a character encoding–agnostic JavaScript implementation of the Quoted-Printable
content transfer encoding as defined by RFC 2045. It can be used to encode plaintext to its Quoted-Printable
encoding, or the other way around (i.e. decoding). Here’s an online demo using the UTF-8 character encoding.
Via npm:
npm install quoted-printable
Via Bower:
bower install quoted-printable
Via Component:
component install mathiasbynens/quoted-printable
In a browser:
<script src="quoted-printable.js"></script>
In Node.js, io.js, Narwhal, and RingoJS:
var quotedPrintable = require('quoted-printable');
In Rhino:
load('quoted-printable.js');
Using an AMD loader like RequireJS:
require(
{
'paths': {
'quoted-printable': 'path/to/quoted-printable'
}
},
['quoted-printable'],
function(quotedPrintable) {
console.log(quotedPrintable);
}
);
quotedPrintable.version
A string representing the semantic version number.
quotedPrintable.encode(input)
This function takes an encoded byte string (the input
parameter) and Quoted-Printable
-encodes it. Each item in the input string represents an octet as per the desired character encoding. Here’s an example that uses UTF-8:
var utf8 = require('utf8');
quotedPrintable.encode(utf8.encode('foo=bar'));
// → 'foo=3Dbar'
quotedPrintable.encode(utf8.encode('Iñtërnâtiônàlizætiøn☃💩'));
// → 'I=C3=B1t=C3=ABrn=C3=A2ti=C3=B4n=C3=A0liz=C3=A6ti=C3=B8n=E2=98=83=F0=9F=92=\r\n=A9'
quotedPrintable.decode(text)
This function takes a string of text (the text
parameter) and Quoted-Printable
-decodes it. The return value is a ‘byte string’, i.e. a string of which each item represents an octet as per the character encoding that’s being used. Here’s an example that uses UTF-8:
var utf8 = require('utf8');
utf8.decode(quotedPrintable.decode('foo=3Dbar'));
// → 'foo=bar'
utf8.decode(quotedPrintable.decode('I=C3=B1t=C3=ABrn=C3=A2ti=C3=B4n=C3=A0liz=C3=A6ti=C3=B8n=E2=98=83=F0=9F=92=\r\n=A9'));
// → 'Iñtërnâtiônàlizætiøn☃💩'
quoted-printable
binaryTo use the quoted-printable
binary in your shell, simply install quoted-printable globally using npm:
npm install -g quoted-printable
After that, you’ll be able to use quoted-printable
on the command line. Note that while the quoted-printable library itself is character encoding–agnostic, the command-line tool applies the UTF-8 character encoding on all input.
$ quoted-printable --encode 'foo=bar'
foo=3Dbar
$ quoted-printable --decode 'foo=3Dbar'
foo=bar
Read a local text file, Quoted-Printable
-encode it, and save the result to a new file:
$ quoted-printable --encode < foo.txt > foo-quoted-printable.txt
Or do the same with an online text file:
$ curl -sL 'https://mths.be/brh' | quoted-printable --encode > quoted-printable.txt
Or, the opposite — read a local file containing a Quoted-Printable
-encoded message, decode it back to plain text, and save the result to a new file:
$ quoted-printable --decode < quoted-printable.txt > original.txt
See quoted-printable --help
for the full list of options.
quoted-printable is designed to work in at least Node.js v0.10.0, io.js v1.0.0, Narwhal 0.3.2, RingoJS 0.8-0.11, PhantomJS 1.9.0, Rhino 1.7RC4, as well as old and modern versions of Chrome, Firefox, Safari, Opera, and Internet Explorer.
After cloning this repository, run npm install
to install the dependencies needed for development and testing. You may want to install Istanbul globally using npm install istanbul -g
.
Once that’s done, you can run the unit tests in Node using npm test
or node tests/tests.js
. To run the tests in Rhino, Ringo, Narwhal, and web browsers as well, use grunt test
.
To generate the code coverage report, use grunt cover
.
Mathias Bynens |
quoted-printable is available under the MIT license.
FAQs
A robust & character encoding–agnostic JavaScript implementation of the `Quoted-Printable` content transfer encoding as defined by RFC 2045.
The npm package quoted-printable receives a total of 84,595 weekly downloads. As such, quoted-printable popularity was classified as popular.
We found that quoted-printable demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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