摘要：作為程序員都習慣在命令行下操作，今天就推薦些命令行神器，可能讓你大開眼界。例太陽出來了，時間很短。網頁截圖更多用爽截圖命令行工具公眾號蘇生不惑

作為程序員都習慣在命令行下操作，今天就推薦些命令行神器，可能讓你大開眼界。

//https://github.com/MorganZhang100/line-counter
//find . -name "*.py" -exec wc -l {} + 
//wc -l
pip install line-counter  
$ line
Search in /Users/Morgan/Documents/Example/
file count: 4
line count: 839
$ line -d
Search in /Users/Morgan/Documents/Example/
Dir A/file C.c                                             72
Dir A/file D.py                                           268
file A.py                                                 467
file B.c                                                   32
file count: 4
line count: 839

//https://github.com/AlDanial/cloc
npm install -g cloc   
$ cloc wechat-cli.py
       1 text file.
       1 unique file.
       0 files ignored.

github.com/AlDanial/cloc v 1.72  T=0.14 s (7.4 files/s, 779.4 lines/s)
-------------------------------------------------------------------------------
Language                     files          blank        comment           code
-------------------------------------------------------------------------------
Python                           1             12              7             87
-------------------------------------------------------------------------------

//https://github.com/nvbn/thefuck
pip install thefuck
? apt-get install vim
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

? fuck
sudo apt-get install vim
[sudo] password for nvbn:
Reading package lists... Done

npm install -g codedog
codedog xx.md or codedog xx.md width height

// https://github.com/dbcli/mycli
pip install -U mycli
$ mycli -h localhost -uroot
Password:
Version: 1.8.0
Chat: https://gitter.im/dbcli/mycli
Mail: https://groups.google.com/forum/#!forum/mycli-users
Home: http://mycli.net
Thanks to the contributor - Tech Blue Software
mysql root@localhost:(none)> use test
You are now connected to database "test" as user "root"
Time: 0.005s
mysql root@localhost:test> show t
                                  TABLE STATUS
                                  TABLE STATUS
                                  TABLES
                                  TABLES
                                  TRIGGERS
                                  TRIGGERS
                                  STATUS
 [F2] Smart Completion: ON  [F3] Multiline: OFF  [F4] Emacs-mode

$ npm install -g vian
（1）截取 github 首頁

$ vian https://github.com
（2）截取 github 首頁 （非全屏）

$ vian --no-fullpage https://github.com
（3）保存 github 首頁為圖片，模擬 iPhone 6

$ vian -d "iPhone 6" -f github.jpg https://github.com
（4）保存 github 首頁為 pdf 文檔，紙張尺寸選擇 A4

$ vian -t pdf -s A4 https://github.com
（5）查看所有的可模擬設備

$ vian devices

//https://github.com/Runjuu/page2image
npm i page2image --global
# Single page
> page2image https://github.com/Runjuu --type=jpeg --quality=80

# Multi-page
> page2image https://github.com/Runjuu https://github.com/Runjuu --type=jpeg --quality=80

npm install -g pdf-bot

//https://github.com/stedolan/jq http://blog.chinaunix.net/uid-24774106-id-3830242.html
$ cat json_raw.txt 
{"name":"Google","location":{"street":"1600 Amphitheatre Parkway","city":"Mountain View","state":"California","country":"US"},"employees":[{"name":"Michael","division":"Engineering"},{"name":"Laura","division":"HR"},{"name":"Elise","division":"Marketing"}]}
cat json_raw.txt | jq ".location.state"
    "California"
 echo "{"foo": 42, "bar": "less interesting data"}" | jq .nofoo
    null
cat json_raw.txt | jq "keys"
[
  "employees",
  "location",
  "name"
]

//https://github.com/koalaman/shellcheck
apt-get install shellcheck
shellcheck test.sh

//  axel.alioth.debian.org/
sudo apt-get install axel
axel -n 10 -a 
axel -n 20 http://centos.ustc.edu.cn/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1511.iso

//https://httpie.org/ https://github.com/jakubroztocil/httpie
pip install --upgrade httpie
http PUT example.org X-API-Token:123 name=John
http -f POST example.org hello=World
http example.org/file > file
http httpbin.org/post  --  -name-starting-with-dash=foo -Unusual-Header:bar
POST /post HTTP/1.1
-Unusual-Header: bar
Content-Type: application/json

{
    "-name-starting-with-dash": "value"
}

// https://github.com/tldr-pages/tldr
npm install -g tldr
$ tldr curl
Cache is out of date, you should run "tldr --update"

  curl
  Transfers data from or to a server.
  Supports most protocols including HTTP, FTP, POP.

  - Download a URL to a file:
    curl "URL" -o filename

  - Send form-encoded data:
    curl --data name=bob http://localhost/form

  - Send JSON data:
    curl -X POST -H "Content-Type: application/json" -d "{"name":"bob"}" http://
localhost/login

  - Specify an HTTP method:
    curl -X DELETE http://localhost/item/123

  - Head request:
    curl --head http://localhost

  - Include an extra header:
    curl -H "X-MyHeader: 123" http://localhost

  - Pass a user name and password for server authentication:
    curl -u myusername:mypassword http://localhost

//https://github.com/chrisallenlane/cheat
 pip install cheat
cheat tar
# To extract an uncompressed archive: 
tar -xvf "/path/to/foo.tar"

# To extract a .gz archive:
tar -xzvf "/path/to/foo.tgz"

# To create a .gz archive:
tar -czvf "/path/to/foo.tgz" "/path/to/foo/"

# To extract a .bz2 archive:
tar -xjvf "/path/to/foo.tgz"

# To create a .bz2 archive:
tar -cjvf "/path/to/foo.tgz" "/path/to/foo/"

//http://pm2.keymetrics.io/
npm install pm2 -g 
pm2 list

//https://linux.cn/article-3205-1.html
pip install ngxtop
ngxtop -n 20
ngxtop info

//https://github.com/google/yapf 
 pip install yapf
>>> from yapf.yapflib.yapf_api import FormatCode  # reformat a string of code

>>> FormatCode("f ( a = 1, b = 2 )")
"f(a=1, b=2)
"

//https://github.com/junegunn/fzf
brew install fzf
find * -type f | fzf > selected

//https://github.com/darknessomi/musicbox
pip(3) install NetEase-MusicBox

$ git clone https://github.com/darknessomi/musicbox.git && cd musicbox
$ python(3) setup.py install

//https://github.com/aria2/aria2
aria2c http://a/f.iso ftp://b/f.iso
aria2 下載百度云鏈接https://github.com/acgotaku/BaiduExporter

//https://github.com/indexzero/http-server
npm install http-server -g
 http-server 8888
alias hs="source ~/.bash_profile && http-server -a $(ifconfig en0 | grep "inet " | cut -d " " -f 2)"
//瀏覽器打開http://localhost:8888

pip install pypinyin

$ pypinyin 有哪些命令行的軟件堪稱神器

yǒu něi xiē mìng lìng xíng de ruǎn jiàn kān chē

https://github.com/yandex/gixy 
pip install gixy
gixy /etc/nginx/nginx.conf

pip install http-prompt
pip install httpie
# No parameters initially
> httpie
http http://localhost

# Send a request with some overrided parameters
> post /api/v1 --form name=jane

# Current state remains intact
> httpie
http http://localhost

https://github.com/ksky521/nodePPT
npm install -g nodeppt 
執行 nodeppt start
訪問 http://127.0.0.1:8080/
在線demo： http://js8.in/nodeppt/

npm install -g caniuse-cmd
$ caniuse flex
Flexible Box Layout Module √ 83.86% Θ 13.63% [W3C Candidate Recommendation]
  Method of positioning elements in horizontal or vertical stacks. Support
  includes the support for the all properties prefixed with `flex` as well as
  `display: flex`, `display: inline-flex`, `align-content`, `align-items`,
  `align-self`, `justify-content` and `order`. #CSS3

  IE × 5.5+ Θ 10+?2 Θ 11?
  Edge √
  Firefox Θ 2+?1 Θ 22+3 √ 28+
  Chrome Θ 4+?1 √ 21+? √ 29+
  Safari Θ 3.1+?1 √ 6.1+? √ 9+
  Opera × 9+ √ 12.1+ √ 15+? √ 17+

    1Only supports the [old
    flexbox](http://www.w3.org/TR/2009/WD-css3-flexbox-20090723) specification
    and does not support wrapping.
    2Only supports the [2012
    syntax](http://www.w3.org/TR/2012/WD-css3-flexbox-20120322/)
    3Does not support flex-wrap, flex-flow or align-content properties
    ?Partial support is due to large amount of bugs present (see known issues)
   ?  Most partial support refers to supporting an [older
   version](http://www.w3.org/TR/2009/WD-css3-flexbox-20090723/) of the
   specification or an [older
   syntax](http://www.w3.org/TR/2012/WD-css3-flexbox-20120322/).

npm install terminal-translate -g
//類似 npm install fanyi -g https://github.com/afc163/fanyi
$ tl great

  ~ great - [gre?t]   美[ɡret]   英[gre?t]
  ~ 偉大的

   -  n. 大師；大人物；偉人們
   -  adj. 偉大的，重大的；極好的，好的；主要的

   1. Great
     偉大的,Great,Great

   2. Great Lakes
     五大湖,五大湖,大湖區

   3. Great Recession
     經濟大衰退,大衰退,大蕭條

npm i -g u.nu

npm install baidu-ocr-api -g

ocr --help
# 遠程圖片
ocr http://7pun4e.com1.z0.glb.clouddn.com/test.jpg

# 本地圖片
ocr ./test.jpg

npm install -g diffchecker
diffchecker file1.js file2.js
diffchecker --expires day file1.js file2.js

# Uploading is easy using curl 
$ curl --upload-file ./hello.txt https://transfer.sh/hello.txt 
https://transfer.sh/66nb8/hello.txt 

$ curl -H "Max-Downloads: 1" -H "Max-Days: 5" --upload-file ./hello.txt https://transfer.sh/hello.txt 
https://transfer.sh/66nb8/hello.txt 
# Download the file 
$ curl https://transfer.sh/66nb8/hello.txt -o hello.txt

First, create a config.json with your SMTP settings:

{
    "host": "smtp.foobar.net",
    "port": 465,
    "user": "noreply",
    "pass": "foobar!"
}

Install the app and start it up to point at the config:

npm i mailit -g
mailit --config /path/to/config.json

And presto, a mail endpoint! Let"s try it out:

curl --data "to=d@me.net&subject=hi&text=hey world" http://127.0.0.1:3000/email

npm install -g bash-handbook

$ git clone https://github.com/codezjx/netease-cloud-music-dl.git
$ python setup.py install
$ ncm -s 123123
or
$ ncm -s http://music.163.com/#/song?id=123123

pip install httpstat
httpstat httpbin.org/get

//https://github.com/purifycss/purifycss
$ npm install -g purify-css
$ purifycss -h

purifycss   [option]

Options:
  -m, --min        Minify CSS                         [boolean] [default: false]
  -o, --out        Filepath to write purified css to                    [string]
  -i, --info       Logs info on how much css was removed
                                                      [boolean] [default: false]
  -r, --rejected   Logs the CSS rules that were removed
                                                      [boolean] [default: false]
  -w, --whitelist  List of classes that should not be removed
                                                           [array] [default: []]
  -h, --help       Show help                                           [boolean]
  -v, --version    Show version number                                 [boolean]

pip install http
#驗證代理ip有效性 將響應與真實IP進行對比，如果不一樣就有效
$ http --proxy http://59.49.129.60:8998 http://ip.cip.cc
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 13
Content-Type: text/plain; charset=utf-8
Date: Sat, 09 Sep 2017 01:06:40 GMT
P3P: CP="CURa ADMa DEVa PSAo PSDo OUR BUS UNI PUR INT DEM STA PRE COM NAV OTC NO
I DSP COR"
Proxy-Connection: keep-alive
Server: nginx
Vary: Accept-Encoding

59.49.129.60
>>> pro={"http":"59.49.129.60:8998"}
>>>pro=requests.get("http://lab.crossincode.com/proxy/get/?num=35&head=https").json()["proxies"]
>>> import requests as rq
>>> r=rq.get("http://ip.cip.cc",proxies=pro) 
>>> r.text
"59.49.129.60
"

npm install -g cellocate
cellocate 13888888888
13888888888
云南 昆明 移動

python3 -m http.server port
npm install http-server -g
npm install -g serve
npm install -g anywhere
npm -g install puer
php -S localhost:9999

pip install iSearch
s sun

sun 不在數據庫中，從有道詞典查詢
sun /s?n/

N-SING The sun is the ball of fire in the sky that the Earth goes around, and that gives us heat and light. 太陽 

例：The sun was now high in the southern sky. 太陽當時正高掛在南面天空上。 

例：The sun came out, briefly. 太陽出來了，時間很短。 

npm install capteer -g
capteer  [filename] [options]

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用爽截圖
命令行工具
公眾號：蘇生不惑