This is a cheat sheet for how to perform various actions to ZSH, which can be tricky to find on the web as the syntax is not intuitive and it is generally not very well-documented.
| Description | Syntax |
|---|---|
| Get the length of a string | ${#VARNAME} |
| Get a single character | ${VARNAME[index]} |
| #!/bin/bash | |
| ### Original script by Geoffeg, modified by Roblight and later by me (alias me='alias Danog='Daniil Gentili'') | |
| ### How to install this script: | |
| ### wget https://gist.githubusercontent.com/danog/f86bf3113e1644b4d5d9/raw/dropbox_youtube_dl.sh -O ~/dropbox_youtube_dl.sh && chmod 755 ~/dropbox_youtube_dl.sh && ~/dropbox_youtube_dl.sh --install | |
| ### | |
| ### IFTTT Recipe URL: https://ifttt.com/recipes/277403-download-every-youtube-video-you-add-to-your-watch-later-playlist-automatically | |
| if [ "$1" = "--install" ]; then | |
| if [ -f /usr/local/bin/youtube-dl ]; then echo "Youtube-dl already installed."; else echo "Installing youtube-dl..."; sudo curl https://yt-dl.org/downloads/2015.04.03/youtube-dl -o /usr/local/bin/youtube-dl && sudo chmod a+x /usr/local/bin/youtube-dl && echo "YouTube-dl installed successfully." || echo "Couldn't install YouTube-dl."; fi |
| #!/bin/bash | |
| # Tom Hale, 2016. MIT Licence. | |
| # Print out 256 colours, with each number printed in its corresponding colour | |
| # See http://askubuntu.com/questions/821157/print-a-256-color-test-pattern-in-the-terminal/821163#821163 | |
| set -eu # Fail on errors or undeclared variables | |
| printable_colours=256 |