translate-shell

by soimort

:speech_balloon: Command-line translator using Google Translate, Bing Translator, Yandex.Translate, ...

4.5K Stars 289 Forks Last release: 6 months ago (v0.9.6.12) The Unlicense 813 Commits 44 Releases

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Translate Shell

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Translate Shell (formerly Google Translate CLI) is a command-line translator powered by Google Translate (default), Bing Translator, Yandex.Translate, and Apertium. It gives you easy access to one of these translation engines in your terminal:

$ trans 'Saluton, Mondo!'
Saluton, Mondo!

Hello, World!

Translations of Saluton, Mondo! [ Esperanto -> English ] Saluton , Hello, Mondo ! World!

By default, translations with detailed explanations are shown. You can also translate the text briefly: (only the most relevant translation will be shown)

$ trans -brief 'Saluton, Mondo!'
Hello, World!

Translate Shell can also be used like an interactive shell; input the text to be translated line by line:

$ trans -shell -brief
> Rien ne réussit comme le succès.
Nothing succeeds like success.
> Was mich nicht umbringt, macht mich stärker.
What does not kill me makes me stronger.
> Юмор есть остроумие глубокого чувства.
Humor has a deep sense of wit.
> 學而不思則罔,思而不學則殆。
Learning without thought is labor lost, thought without learning is perilous.
> 幸福になるためには、人から愛されるのが一番の近道。
In order to be happy, the best way is to be loved by people.

Prerequisites

System Requirements

Translate Shell is known to work on many POSIX-compliant systems, including but not limited to:

  • GNU/Linux
  • macOS
  • *BSD
  • Android (through Termux)
  • Windows (through WSL, Cygwin, or MSYS2)

Dependencies

  • GNU Awk (gawk) 4.0 or later
    • This program relies heavily on GNU extensions of the AWK language, which are non-portable for other AWK implementations (e.g. nawk).
    • How to get gawk:
      • gawk comes with all GNU/Linux distributions.
      • On FreeBSD, gawk is available in the ports.
      • On macOS, gawk is available in MacPorts and Homebrew.
  • GNU Bash or Zsh
    • You may use Translate Shell from any Unix shell of your choice (bash, zsh, ksh, tcsh, fish, etc.); however, the wrapper script requires either bash or zsh installed.

Recommended Dependencies

These dependencies are optional, but strongly recommended for full functionality:

  • curl with OpenSSL support
  • GNU FriBidi: an implementation of the Unicode Bidirectional Algorithm (bidi)
    • required for displaying text in Right-to-Left scripts (e.g. Arabic, Hebrew)
  • mplayer, mpv, mpg123, or eSpeak
    • required for the Text-to-Speech functionality
  • less, more or most
    • required for terminal paging
  • rlwrap: a GNU readline wrapper
    • required for readline-style editing and history in the interactive shell
  • aspell or hunspell
    • required for spell checking

Environment and Fonts

It is a must to have corresponding fonts for the language(s) / script(s) you wish to display in your terminal. See wiki: Writing Systems and Fonts for more details on scripts and recommended Unicode fonts.

Try It Out!

Start an interactive shell and translate anything you input into your native language: (in bash or zsh)

$ gawk -f 

(in fish)

$ gawk -f (curl -Ls git.io/translate | psub) -- -shell

Using Docker

To try out via Docker, run:

$ docker pull soimort/translate-shell

Then you may start an interactive shell from the Docker image for translating:

$ docker run -it soimort/translate-shell -shell

Installation

Option #1. Direct Download

Download the self-contained executable and place it into your path. It's everything you need.

$ wget git.io/trans
$ chmod +x ./trans

There is a GPG signature.

Option #2. From A Package Manager

Using your favorite package manager

See wiki: Distros on how to install from a specific package manager on your distro.

Using Antigen (for Zsh users)

Add the following line to your

.zshrc
:
antigen bundle soimort/translate-shell

Option #3. From Git

$ git clone https://github.com/soimort/translate-shell
$ cd translate-shell/
$ make
$ [sudo] make install

In case you have only zsh but not bash in your system, build with:

$ make TARGET=zsh

The default

PREFIX
of installation is
/usr/local
. To install the program to somewhere else (e.g.
/usr
,
~/.local
), use:
$ [sudo] make PREFIX=/usr install

Getting Started by Examples

Translate a Word

From any language to your language

Google Translate can identify the language of the source text automatically, and Translate Shell by default translates the source text into the language of your

locale
.
$ trans vorto

From any language to one or more specific languages

Translate a word into French:

$ trans :fr word

Translate a word into Chinese and Japanese: (use a plus sign "

+
" as the delimiter)
$ trans :zh+ja word

Alternatively, equals sign ("

=
") can be used in place of the colon ("
:
"). Note that in some shells (e.g. zsh), equals signs may be interpreted differently, therefore the argument specifying languages needs to be protected:
$ trans {=zh+ja} word
$ trans '=zh+ja' word

You can also use the

-target
(
-t
) option to specify the target language(s):
$ trans -t zh+ja word

With the

-t
option, the name of the language may also be used instead of the language code:
$ trans -t japanese word
$ trans -t 日本語 word

From a specific language

Google Translate may wrongly identify the source text as some other language than you expected:

$ trans 手紙

In that case, you need to specify its language explicitly:

$ trans ja: 手紙
$ trans zh: 手紙

You can also use the

-source
(
-s
) option to specify the source language:
$ trans -s ja 手紙

Translate Multiple Words or a Phrase

Translate each word alone:

$ trans en:zh word processor

Put words into one argument, and translate them as a whole:

$ trans en:zh "word processor"

Translate a Sentence

Translating a sentence is much the same like translating a phrase; you can just quote the sentence into one argument:

$ trans :zh "To-morrow, and to-morrow, and to-morrow,"
$ trans :zh 'To-morrow, and to-morrow, and to-morrow,'

It is also possible to translate multi-line sentences:

$ trans :zh "Creeps in this petty pace from day to day,
> To the last syllable of recorded time;
> And all our yesterdays have lighted fools
> The way to dusty death."

To avoid punctuation marks (e.g. "

!
") or other special characters being interpreted by the shell, use single quotes:
$ trans :zh 'Out, out, brief candle!'

There are some cases though, you may still want to use double quotes: (e.g. the sentence contains a single quotation mark "

'
")
$ trans :zh "Life's but a walking shadow, a poor player"

Alternatively, use the

-join-sentence
(
-j
) option to treat all arguments as one sentence so that quotes can be omitted:
$ trans -j :zh Life\'s but a walking shadow, a poor player

Brief Mode

By default, Translate Shell displays translations in a verbose manner. If you prefer to see only the most relevant translation, there is a brief mode available using the

-brief
(
-b
) option:
$ trans -b :fr "Saluton, Mondo"

In brief mode, phonetic notation (if any) is not shown by default. To enable this, put an at sign "

@
" in front of the language code:
$ trans -b :@ja "Saluton, Mondo"

Dictionary Mode

Google Translate can be used as a dictionary. When translating a word and the target language is the same as the source language, the dictionary entry of the word is shown:

$ trans :en word

To enable dictionary mode no matter whether the source language and the target language are identical, use the

-dictionary
(
-d
) option.
$ trans -d fr: mot

Note: Not every language supported by Google Translate has provided dictionary data. See wiki: Languages to find out which language(s) has dictionary support.

Language Identification

Use the

-identify
(
-id
) option to identify the language of the text:
$ trans -id 言葉

Text-to-Speech

Use the

-play
(
-p
) option to listen to the translation:
$ trans -b -p :ja "Saluton, Mondo"

Use the

-speak
(
-sp
) option to listen to the original text:
$ trans -sp "你好,世界"

Terminal Paging

Sometimes the content of translation can be too much for display in one screen. Use the

-view
(
-v
) option to view the translation in a terminal pager such as
less
or
more
:
$ trans -d -v word

Right-to-Left (RTL) Languages

Right-to-Left (RTL) languages are well supported via GNU FriBidi.

The program will automatically adjust the screen width for padding when displaying right-to-left languages. Alternatively, you may use the

-width
(
-w
) option to specify the screen width:
$ trans -b -w 40 :he "Saluton, Mondo"

See wiki: Languages to find out which language(s) uses a Right-to-Left writing system.

Pipeline, Input and Output

If no source text is given in command-line arguments, the program will read from standard input, or from the file specified by the

-input
(
-i
) option:
$ echo "Saluton, Mondo" | trans -b :fr
$ trans -b -i input.txt :fr

Translations are written to standard output, or to the file specified by the

-output
(
-o
) option:
$ echo "Saluton, Mondo" | trans -b -o output.txt :fr

Translate a File

Instead of using the

-input
option, a file URI scheme (
file://
followed by the file name) can be used as a command-line argument:
$ trans :fr file://input.txt

Note: Brief mode is used when translating from file URI schemes.

Translate a Web Page

To translate a web page, an http(s) URI scheme can be used as an argument:

$ trans :fr http://www.w3.org/

A browser session will open for viewing the translation (via Google Translate's web interface). To specify your web browser of choice, use the

-browser
option:
$ trans -browser firefox :fr http://www.w3.org/

Language Details

Use the

-list
(
-L
) option to view details of one or more languages:
$ trans -L fr
$ trans -L de+en

Some basic information of the language will be displayed: its English name and endonym (language name in the language itself), language family, writing system, canonical Google Translate code and ISO 639-3 code.

Interactive Translate Shell (REPL)

Start an interactive shell using the

-shell
(or
-interactive
,
-I
) option:
$ trans -shell

You may specify the source language and the target language(s) before starting an interactive shell:

$ trans -shell en:fr

You may also change these settings during an interactive session. See wiki: REPL for more advanced usage of the interactive Translate Shell.

Usage

For more details on command-line options, see the man page trans(1) or use

trans -M
in a terminal.
Usage:  trans [OPTIONS] [SOURCES]:[TARGETS] [TEXT]...

Information options: -V, -version Print version and exit. -H, -help Print help message and exit. -M, -man Show man page and exit. -T, -reference Print reference table of languages and exit. -R, -reference-english Print reference table of languages (in English names) and exit. -L CODES, -list CODES Print details of languages and exit. -S, -list-engines List available translation engines and exit. -U, -upgrade Check for upgrade of this program.

Translator options: -e ENGINE, -engine ENGINE Specify the translation engine to use.

Display options: -verbose Verbose mode. (default) -b, -brief Brief mode. -d, -dictionary Dictionary mode. -identify Language identification. -show-original Y/n Show original text or not. -show-original-phonetics Y/n Show phonetic notation of original text or not. -show-translation Y/n Show translation or not. -show-translation-phonetics Y/n Show phonetic notation of translation or not. -show-prompt-message Y/n Show prompt message or not. -show-languages Y/n Show source and target languages or not. -show-original-dictionary y/N Show dictionary entry of original text or not. -show-dictionary Y/n Show dictionary entry of translation or not. -show-alternatives Y/n Show alternative translations or not. -w NUM, -width NUM Specify the screen width for padding. -indent NUM Specify the size of indent (number of spaces). -theme FILENAME Specify the theme to use. -no-theme Do not use any other theme than default. -no-ansi Do not use ANSI escape codes. -no-autocorrect Do not autocorrect. (if defaulted by the translation engine) -no-bidi Do not convert bidirectional texts. -bidi Always convert bidirectional texts. -no-warn Do not write warning messages to stderr. -dump Print raw API response instead.

Audio options: -p, -play Listen to the translation. -speak Listen to the original text. -n VOICE, -narrator VOICE Specify the narrator, and listen to the translation. -player PROGRAM Specify the audio player to use, and listen to the translation. -no-play Do not listen to the translation. -no-translate Do not translate anything when using -speak. -download-audio Download the audio to the current directory. -download-audio-as FILENAME Download the audio to the specified file.

Terminal paging and browsing options: -v, -view View the translation in a terminal pager. -pager PROGRAM Specify the terminal pager to use, and view the translation. -no-view, -no-pager Do not view the translation in a terminal pager. -browser PROGRAM Specify the web browser to use. -no-browser Do not open the web browser.

Networking options: -x HOST:PORT, -proxy HOST:PORT Use HTTP proxy on given port. -u STRING, -user-agent STRING Specify the User-Agent to identify as. -4, -ipv4, -inet4-only Connect only to IPv4 addresses. -6, -ipv6, -inet6-only Connect only to IPv6 addresses.

Interactive shell options: -I, -interactive, -shell Start an interactive shell. -E, -emacs Start the GNU Emacs front-end for an interactive shell. -no-rlwrap Do not invoke rlwrap when starting an interactive shell.

I/O options: -i FILENAME, -input FILENAME Specify the input file. -o FILENAME, -output FILENAME Specify the output file.

Language preference options: -l CODE, -hl CODE, -lang CODE Specify your home language. -s CODES, -sl CODES, -source CODES, -from CODES Specify the source language(s), joined by '+'. -t CODES, -tl CODES, -target CODES, -to CODES Specify the target language(s), joined by '+'.

Text preprocessing options: -j, -join-sentence Treat all arguments as one single sentence.

Other options: -no-init Do not load any initialization script.

See the man page trans(1) for more information.

Code List

Use

trans -R
or
trans -T
to view the reference table in a terminal.

For more details on languages and corresponding codes, see wiki: Languages.

| Language | Code | Language | Code | Language | Code | | :------: | :--: | :------: | :--: | :------: | :--: | | Afrikaans
Afrikaans |

af
| Hill Mari
Кырык мары |
mrj
| Portuguese
Português |
pt
| | Albanian
Shqip |
sq
| Hindi
हिन्दी |
hi
| Punjabi
ਪੰਜਾਬੀ |
pa
| | Amharic
አማርኛ |
am
| Hmong
Hmoob |
hmn
| Querétaro Otomi
Hñąñho |
otq
| | Arabic
العربية |
ar
| Hmong Daw
Hmoob Daw |
mww
| Romanian
Română |
ro
| | Armenian
Հայերեն |
hy
| Hungarian
Magyar |
hu
| Russian
Русский |
ru
| | Azerbaijani
Azərbaycanca |
az
| Icelandic
Íslenska |
is
| Samoan
Gagana Sāmoa |
sm
| | Bashkir
башҡорт теле |
ba
| Igbo
Igbo |
ig
| Scots Gaelic
Gàidhlig |
gd
| | Basque
Euskara |
eu
| Indonesian
Bahasa Indonesia |
id
| Serbian (Cyrillic)
српски |
sr-Cyrl
| | Belarusian
беларуская |
be
| Irish
Gaeilge |
ga
| Serbian (Latin)
srpski |
sr-Latn
| | Bengali
বাংলা |
bn
| Italian
Italiano |
it
| Sesotho
Sesotho |
st
| | Bosnian
Bosanski |
bs
| Japanese
日本語 |
ja
| Shona
chiShona |
sn
| | Bulgarian
български |
bg
| Javanese
Basa Jawa |
jv
| Sindhi
سنڌي |
sd
| | Cantonese
粵語 |
yue
| Kannada
ಕನ್ನಡ |
kn
| Sinhala
සිංහල |
si
| | Catalan
Català |
ca
| Kazakh
Қазақ тілі |
kk
| Slovak
Slovenčina |
sk
| | Cebuano
Cebuano |
ceb
| Khmer
ភាសាខ្មែរ |
km
| Slovenian
Slovenščina |
sl
| | Chichewa
Nyanja |
ny
| Kinyarwanda
Ikinyarwanda |
rw
| Somali
Soomaali |
so
| | Chinese Simplified
简体中文 |
zh-CN
| Klingon
tlhIngan Hol |
tlh
| Spanish
Español |
es
| | Chinese Traditional
正體中文 |
zh-TW
| Klingon (pIqaD)
  |
tlh-Qaak
| Sundanese
Basa Sunda |
su
| | Corsican
Corsu |
co
| Korean
한국어 |
ko
| Swahili
Kiswahili |
sw
| | Croatian
Hrvatski |
hr
| Kurdish
Kurdî |
ku
| Swedish
Svenska |
sv
| | Czech
Čeština |
cs
| Kyrgyz
Кыргызча |
ky
| Tahitian
Reo Tahiti |
ty
| | Danish
Dansk |
da
| Lao
ລາວ |
lo
| Tajik
Тоҷикӣ |
tg
| | Dutch
Nederlands |
nl
| Latin
Latina |
la
| Tamil
தமிழ் |
ta
| | Eastern Mari
Олык марий |
mhr
| Latvian
Latviešu |
lv
| Tatar
татарча |
tt
| | Emoji
Emoji |
emj
| Lithuanian
Lietuvių |
lt
| Telugu
తెలుగు |
te
| | English
English |
en
| Luxembourgish
Lëtzebuergesch |
lb
| Thai
ไทย |
th
| | Esperanto
Esperanto |
eo
| Macedonian
Македонски |
mk
| Tongan
Lea faka-Tonga |
to
| | Estonian
Eesti |
et
| Malagasy
Malagasy |
mg
| Turkish
Türkçe |
tr
| | Fijian
Vosa Vakaviti |
fj
| Malay
Bahasa Melayu |
ms
| Turkmen
Türkmen |
tk
| | Filipino
Tagalog |
tl
| Malayalam
മലയാളം |
ml
| Udmurt
удмурт |
udm
| | Finnish
Suomi |
fi
| Maltese
Malti |
mt
| Ukrainian
Українська |
uk
| | French
Français |
fr
| Maori
Māori |
mi
| Urdu
اُردُو |
ur
| | Frisian
Frysk |
fy
| Marathi
मराठी |
mr
| Uyghur
ئۇيغۇر تىلى |
ug
| | Galician
Galego |
gl
| Mongolian
Монгол |
mn
| Uzbek
Oʻzbek tili |
uz
| | Georgian
ქართული |
ka
| Myanmar
မြန်မာစာ |
my
| Vietnamese
Tiếng Việt |
vi
| | German
Deutsch |
de
| Nepali
नेपाली |
ne
| Welsh
Cymraeg |
cy
| | Greek
Ελληνικά |
el
| Norwegian
Norsk |
no
| Xhosa
isiXhosa |
xh
| | Gujarati
ગુજરાતી |
gu
| Oriya
ଓଡ଼ିଆ |
or
| Yiddish
ייִדיש |
yi
| | Haitian Creole
Kreyòl Ayisyen |
ht
| Papiamento
Papiamentu |
pap
| Yoruba
Yorùbá |
yo
| | Hausa
Hausa |
ha
| Pashto
پښتو |
ps
| Yucatec Maya
Màaya T'àan |
yua
| | Hawaiian
ʻŌlelo Hawaiʻi |
haw
| Persian
فارسی |
fa
| Zulu
isiZulu |
zu
| | Hebrew
עִבְרִית |
he
| Polish
Polski |
pl
|

Wiki

Lists of all languages, writing systems and fonts for reference:

The following pages demonstrate the advanced usage of Translate Shell:

Find out whether your Linux distribution has included Translate Shell in its official repository. If not, contribute one:

Frequently Asked Questions, historical stuff, AWK coding style, etc.:

Reporting Bugs / Contributing

Please review the guidelines for contributing before reporting an issue or sending a pull request.

Licensing

This is free and unencumbered software released into the public domain. See LICENSE and WAIVER for details.

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