functions.zsh

#!/usr/bin/env zsh

# Make a new directory and `cd` right into it (this seems like a no-brainer)
mkcd() {
    mkdir -p -- "$1" &&
        cd -P -- "$1" || return
}

# Start an HTTP server from a directory, optionally specifying the port
serve() {
    local port="${1:-8090}"
    sleep 1 && open "http://localhost:${port}/" &
    # Set the default Content-Type to `text/plain` instead of `application/octet-stream`
    # And serve everything as UTF-8 (although not technically correct, this doesn't break anything for binary files)
    python -c $'import SimpleHTTPServer;\nmap = SimpleHTTPServer.SimpleHTTPRequestHandler.extensions_map;\nmap[""] = "text/plain";\nfor key, value in map.items():\n\tmap[key] = value + ";charset=UTF-8";\nSimpleHTTPServer.test();' "$port"
}

# Extract a compressed archive without worrying about which tool to use
extract() {
    if [[ -f "$1" ]]; then
        case "$1" in
        *.tar.bz2)
            tar xjf "$1"
            ;;
        *.tar.gz)
            tar xzf "$1"
            ;;
        *.bz2)
            bunzip2 "$1"
            ;;
        *.rar)
            unrar x "$1"
            ;;
        *.gz)
            gunzip "$1"
            ;;
        *.tar)
            tar xf "$1"
            ;;
        *.tbz2)
            tar xjf "$1"
            ;;
        *.tgz)
            tar xzf "$1"
            ;;
        *.zip)
            unzip "$1"
            ;;
        *.Z)
            uncompress "$1"
            ;;
        *.7z)
            7z x "$1"
            ;;
        *)
            echo "'$1' cannot be extracted via extract()"
            ;;
        esac
    else
        echo "'$1' is not a valid file"
    fi
}

# Create a git.io short URL (custom slug optional)
# ex: gitio https://github.com/davidlhw/dotfiles-public [daviddotfiles] => https://git.io/daviddotfiles
# https://blog.github.com/2011-11-10-git-io-github-url-shortener
gitio() {
    local PARAMS RESPONSE
    PARAMS="-F \"url=$1\""
    if [[ -n "$2" ]]; then
        PARAMS="$PARAMS -F \"code=$2\""
    fi
    RESPONSE=$(eval "curl -i https://git.io $PARAMS 2>&1" | grep "Location: ")
    echo "${RESPONSE//Location: /}"
}

# Push a local SSH public key to another machine
# https://github.com/rtomayko/dotfiles/blob/rtomayko/.bashrc
push_ssh_cert() {
    local _host
    [[ -f ~/.ssh/id_ed25519.pub ]] || ssh-keygen -t ed25519
    for _host in "$@"; do
        echo "$_host"
        ssh "$_host" "\cat >> ~/.ssh/authorized_keys" <~/.ssh/id_ed25519.pub
    done
}

# mov to gif converter
#-----------------------------------------------------------------------------------
# 1) If ffmpeg and gifsicle are not installed, script will exit
# 2) `option + right click` will give the option to copy the path name of the .mov file you want to convert
# 3) `cmd + v` to paste that path into script in terminal
# 4) enter in name of gif WITHOUT the gif extension at the end
# 5) script will be saved into downloads
#-----------------------------------------------------------------------------------

mov_to_gif() {
    if ! [ -x "$(command -v ffmpeg)" ]; then
        echo 'Error: ffmpeg is not installed. please install with (brew install ffmpeg)' >&2
        exit 1
    fi

    if ! [ -x "$(command -v gifsicle)" ]; then
        echo 'Error: gifsicle is not installed. please install with (brew install gifsicle)' >&2
        exit 1
    fi

    echo -n "enter absolute path to .mov: "
    read -r MOVNAME

    echo -n "enter name for your gif (the script will add the extension for you): "
    read -r GIFNAME

    ffmpeg -i "$MOVNAME" -pix_fmt rgb24 -r 10 -f gif - | gifsicle --optimize=3 --delay=4 >~/Downloads/"$GIFNAME".gif

    echo -e "\nSaved ${GIFNAME}.gif to downloads"
}