Running the following code in your terminal should tell you whether your terminal supports 256 colors. for COLOR in {0..255} do for STYLE in “38;5″ do TAG=”\033[${STYLE};${COLOR}m” STR=”${STYLE};${COLOR}” echo -ne “${TAG}${STR}${NONE} ” done echo done it also shows you the code for each color in the form 38;5;x where x is the code for one … Read more
For reference sake, if you do not have control over the generation of the numeric values, you can do padding with: % value=314 % echo ${(l:10::0:)value} 0000000314 % echo $value 314
The typical way to do this in Zsh is: if (( ${+SOME_VARIABLE} )); then For example: if (( ${+commands[brew]} )); then brew install mypackage else print “Please install Homebrew first.” fi In Zsh 5.3 and later, you can use the -v operator in a conditional expression: if [[ -v SOME_VARIABLE ]]; then The POSIX-compliant test … Read more
You also need menu and select: zstyle ‘:completion:*’ menu select
gg() { git grep “$*”; }
Following this little guide solved the issue making-powerline-work-in-visual-studio-code-terminal. IMPORTANT: if you already have a powerline font installed (e.g. it looks fine inside your system terminal), skip step 1. Install a patched version of your desired font directly from https://github.com/powerline/fonts. Apparently doing the “quick installation” (e.g. sudo apt-get install fonts-powerline) does not work in this case. … Read more
Zsh has no built-in default value for HISTFILE. The zsh distribution comes with a setup wizard for new users which has the value ~/.zsh_history built in… More by Gilles on Command history in Zsh – Unix SE
To remove element number $i: a=(“${(@)a[1,$i-1]}” “${(@)a[$i+1,$#a]}”) (The simpler construct a=($a[1,$i-1] $a[$i+1,-1]) also removes empty elements.) ADDED: To remove any occurence of b: a=(“${(@)a:#b}”) :# is the hieroglyph to remove matching elements; “” and (@) is to operate correctly on arrays even if they contain empty elements.
As you’ve discovered, you can chain commands in a single alias using ;: alias update_my_gems=”echo foo; echo bar” Alternatively, you can write a function very easily in your ~/.zshrc file: update_my_gems() { echo foo echo bar } For readability, I’d personally go for a function for anything that’s semi-complex.
Install Homebrew natively on Apple Silicon (will install to /opt/homebrew by default): /bin/bash -c “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)” Install Intel-emulated Homebrew (will install to /usr/local by default): arch –x86_64 /bin/bash -c “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)” If you haven’t yet installed Rosetta 2, you’ll need to run softwareupdate –install-rosetta first. Create an alias for Intel homebrew. I’m calling … Read more