My command line reference

A mixture of my favourite CLI tools and things that I usually forget

Disclaimer: If you don't use fish-shell, some of the packages might not work. There will be alternatives for each of them for your own shell.

Keyboard shortcuts

ctrl-r

Search previously used commands

ctrl-t

Invoke FZF fuzzy file finder (see below)

ctrl-l

Clear the terminal screen

ctrl-k

Clears the terminal screen but no-scroll back. Basically wipes the

ctrl-w

Cut one word backwards using white space as delimiter

esc-t

Swap the last two words before the cursor

Commands

cal

Show a calendar

❯ cal  
   September 2019  
Su Mo Tu We Th Fr Sa  
 1  2  3  4  5  6 |7|  
 8  9 10 11 12 13 14  
15 16 17 18 19 20 21  
22 23 24 25 26 27 28  
29 30

date

Show the date

❯ date  
Sat  7 Sep 2019 09:22:28 BST

tree

Show directory contents as a tree

❯ tree -L 1  
.  
├── README.md  
├── components  
├── designsystem  
├── layouts  
├── next.config.js  
├── node_modules  
├── now.json  
├── package.json  
├── pages  
├── redirects.js  
├── scripts  
├── server.js  
├── static  
├── utils  
└── yarn.lock

List global packages

# with yarn  
❯ yarn global list  
yarn global v1.17.3  
info "canvas-sketch-cli@1.4.2" has binaries:  
   - canvas-sketch  
   - canvas-sketch-cli  
   - canvas-sketch-gif  
   - canvas-sketch-mp4  
info "create-react-app@2.1.2" has binaries:  
   - create-react-app  
info "docusaurus-init@1.0.1" has binaries:  
   - docusaurus-init  
info "emma-cli@2.0.1" has binaries:  
   - emma  
   - ema  
info "emoj@2.0.0" has binaries:  
   - emoj  
info "fx@10.0.0" has binaries:  
   - fx  
info "ibrew@1.1.1" has binaries:  
   - ibrew  
info "jscodeshift@0.6.2" has binaries:  
   - jscodeshift  
info "lighthouse@5.0.0" has binaries:  
   - lighthouse  
   - chrome-debug  
info "majestic@1.2.24" has binaries:  
   - majestic  
info "np@4.0.2" has binaries:  
   - np  
info "npm@6.0.0" has binaries:  
   - npm  
   - npx  
info "parcel-bundler@1.9.2" has binaries:  
   - parcel  
info "plop@2.1.0" has binaries:  
   - plop  
info "prettier@0.22.0" has binaries:  
   - prettier  
info "release-it@12.3.5" has binaries:  
   - release-it  
info "rimraf@2.6.3" has binaries:  
   - rimraf  
info "semver@5.6.0" has binaries:  
   - semver  
info "serve@10.0.2" has binaries:  
   - serve  
info "strapi@3.0.0-alpha.13.0.1" has binaries:  
   - strapi  
info "terser@3.8.2" has binaries:  
   - terser  
info "types-installer@1.4.0" has binaries:  
   - types-installer  
info "yalc@1.0.0-pre.27" has binaries:  
   - yalc  
✨  Done in 5.61s.  

# with npm  
❯ npm -g ls --depth=0

Custom packages

Autojump

https://github.com/wting/autojump

autojump is a faster way to navigate your filesystem. It works by maintaining a database of the directories you use the most from the command line.

❯ j code

exa

https://github.com/ogham/exa

A modern version of ls

❯ exa -l  
❯ exa -T -L 2 # like tree

FZF

https://github.com/junegunn/fzf

Fuzzy find files. Use ctrl+t to access it

serve

https://github.com/zeit/serve

Static file serving and directory listing

emma

https://github.com/maticzav/emma-cli

Search for npm packages. Run emma to initialise the search, then enter your search criteria

ibrew

https://github.com/mischah/ibrew

Interactive search CLI for Homebrew

Run ibrew to initialise the search, then enter your search criteria

yalc

https://github.com/whitecolor/yalc

Work with yarn/npm packages locally like a boss.

hub

https://hub.github.com/

# clone one of your GitHub repos  
❯ hub clone dotfiles  
# Same as → git clone git://github.com/YOUR_USER/dotfiles.git  

# clone another project's repo  
❯ hub clone github/hub  
# → git clone git://github.com/github/hub.git  

# open the current project's issues page  
❯ hub browse -- issues  
# → open https://github.com/github/hub/issues  

# open another project's wiki  
❯ hub browse mojombo/jekyll wiki

List the current repo's PRs

# this is an alias  
alias prs 'hub pr list -L 20 -b develop --format="%t%n - Branch: [%H]%n - %U%n - %l%n%n"'  
# e.g. ❯ prs

Create a branch and switch to it

# FYI This is a fish shell function  
function branch  
   git branch {$argv} && git checkout {$argv}  
end  
# e.g. ❯ branch feature/WL-88-hello

standup

https://github.com/kamranahmedse/git-standup

Shows a list of commits for the past 24 hours

❯ standup  
/Users/zander/code/fairfx/fx-holiday-money-app  
5315f033 - build(multi): HM-925 Improve perf for a couple of pages (16 hours ago) <Zander Martineau>  
4b41c048 - index on feature/HM-925-improve-performance: 1b854d84 fix(ci): AWS-99 Remove builds/deployments associated (#845) (17 hours ago) <Zander Martineau>

cross-port-killer

https://github.com/milewski/cross-port-killer

Kill a process running on a particular port

❯ kill-port 9001

doctoc

https://github.com/thlorenz/doctoc

Generated markdown table of contents

❯ doctoc README.md --github

fx

https://github.com/antonmedv/fx

Command-line JSON processing tool

❯ fx package.json

jq

https://stedolan.github.io/jq/

jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.

# use jq to extract just the first commit from a repos list  
❯ curl 'https://api.github.com/repos/stedolan/jq/commits?per_page=5' | jq '.[0]'

npq

https://github.com/lirantal/npq

Safely* install packages with npm or yarn by auditing them as part of your install process

# with npm   
❯ npq install express   

# with yarn, set an alias like so:  
alias npq="NPQ_PKG_MGR=yarn npq-hero"  
❯ npq add express

youtube-dl

https://youtube-dl.org

# install  
brew install youtube-dl  

# use  
❯ youtube-dl d2qfa3tlgH8

---

Are there any that I've missed? Let me know in the comments