A function that will make a directory and then change directory into it

.bashrc

# This goes at the end of .bashrc

# mkcd <dir> — make a directory (and any parents) and cd into it
mkcd() {
    if [ $# -ne 1 ]; then
        echo "Usage: mkcd <directory>" >&2
        return 1
    fi
    mkdir -p -- "$1" && cd -- "$1"
}
complete -d mkcd

# clonecd <url> [dir] [git clone options] — clone a repo and cd into it
clonecd() {
    if [ $# -lt 1 ]; then
        echo "Usage: clonecd <repository-url> [directory] [git clone options]" >&2
        return 1
    fi
    local url="$1" dir
    shift
    if [ $# -gt 0 ] && [ "${1#-}" = "$1" ]; then
        dir="$1"
        shift
    else
        dir=$(basename -- "${url%/}" .git)
        dir="${dir##*:}"
    fi
    git clone "$@" -- "$url" "$dir" && cd -- "$dir"
}

# lazygit <message...> — stage everything, commit and push in one go
# Based on https://stackoverflow.com/a/23328996/465404
# (Shadows the lazygit TUI if that is ever installed; rename this if so.)
lazygit() {
    if [ $# -eq 0 ]; then
        echo "Usage: lazygit <commit message>" >&2
        return 1
    fi
    git rev-parse --is-inside-work-tree >/dev/null || return 1
    git add -A || return 1
    if git diff --cached --quiet; then
        echo "lazygit: nothing to commit" >&2
        return 1
    fi
    git commit -m "$*" || return 1
    if git rev-parse --abbrev-ref '@{u}' >/dev/null 2>&1; then
        git push
    else
        git push -u origin HEAD
    fi
}

convert_to_mp3() {
    if [ -z "$1" ]; then
        echo "Usage: convert_to_mp3 <input_file>"
        return 1
    fi

    local input_file="$1"
    local filename="${input_file%.*}"
    local output_file="${filename}.mp3"

    docker run --rm -v "$(pwd):/data" jrottenberg/ffmpeg -i "/data/$input_file" "/data/$output_file"
}

transcribe_audio() {
    if [ -z "$1" ]; then
        echo "Usage: transcribe_audio <input_file> [model]"
        echo "Models: tiny, base, small, medium, large (default: base)"
        return 1
    fi
    
    local input_file="$1"
    local model="${2:-base}"
    
    whisper "$input_file" --model "$model" --language en --output_format txt --output_dir .
}