Easy volume control in the console. Works with PulseAudio and PipeWire with pipewire-pulse

vol

#!/bin/bash

mute() {
    pamixer --mute
}

unmute() {
    pamixer --unmute
}

is_muted() {
    pamixer --get-mute | grep -q true
}

get_default_sink() {
    pamixer --get-default-sink | tail -n+2
}

get_volume() {
    pamixer --get-volume
}

set_volume_safe() {
    pamixer --set-volume "$1" --set-limit 30
}

set_volume() {
    pamixer --set-volume "$1"
}

if ! command -v pamixer > /dev/null; then
    echo '"pamixer" not installed' # https://github.com/cdemoulins/pamixer
    exit 1
fi

RESET="\033[0m"
BOLD="\033[1m"
BLUE="\033[34m"
RED="\033[31m"
CYAN="\033[36m"

show_default_sink() {
    echo -e "${BOLD}Default sink: ${RESET}${BLUE}$(get_default_sink)${RESET}"
}

show_volume() {
    echo -ne "${BOLD}Volume: ${RESET}${CYAN}$(get_volume)%${RESET}"
    is_muted && echo -ne "${RED} (Muted)${RESET}"
    echo
}

case $1 in
    m|mu|mut|mute)
        mute
        show_volume
        ;;
    u|un|unm|unmu|unmut|unmute)
        unmute
        show_volume
        ;;
    [0-9]|[0-9][0-9]|100)
        set_volume_safe "$1"
        show_volume
        ;;
    [0-9]!|[0-9][0-9]!|100!)
        set_volume "${1%!}"
        show_volume
        ;;
    .)
        show_default_sink
        show_volume
        ;;
    *)
        echo "Usage: $0 <volume>[!]|m[ute]|u[nmute]|."
        ;;
esac