My command line reference

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

First published: . Updated:

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
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