volfy

#!/bin/bash
#Autor: Yago Ésquines
#Email: yago.fut@gmail.com
#Ano: 2020
#Dependencia: pactl
#Volfy é um Script para Usar como Comando a fim de alterar o volume de uma aplicação espefica especificas, por exemplo, o spotify.

CHECK_NUMBER='^[0-9]+%$'
CLIENTS=$(pactl list sink-inputs | grep "application.name =" | awk '{print $3}' | sed 's,",,g' )

if [ "$1" != "--help" -a -n "$1" ];then

	#Validando Parametros do Comando
	for NAME in ${CLIENTS,,}
	do
  	if [ ${NAME} == ${1,,} ]; then
			APPLICATION=${1,,};
			if [[ $2 =~ $CHECK_NUMBER ]]; then
				VOLUME=$2;
			else
			  echo "[ERR] Volume isn't a Percent Number (Example: 10%)";
				exit 1;
			fi
			break;
	  fi
	done

	if [ -z $APPLICATION ]; then
		echo -e "[WARN] Invalid Client\n\nPossible Clients:\n\n${CLIENTS,,}";
		exit 2;
	fi
	
	#Coletando Client ID
	CLIENT_ID=$(pactl list clients short | grep ${APPLICATION} | awk '{print $1}');
	
	#Coletando Sink Number
	for ID in $CLIENT_ID
	do
		CHECK=$(pactl list sink-inputs short | grep $ID | awk '{print $1}');
		if [ -n "$CHECK" ]; then
			SINK_NUMBER=$(echo $CHECK | awk '{print $1}');
			break;
		fi
	done
	
	#Alterando o Volume da Aplicação
	if [ -n $SINK_NUMBER ]; then
		pactl set-sink-input-volume $SINK_NUMBER $VOLUME || exit 3;
	else
		echo "[ERR] Command failed - Sink Number is Wrong"
		exit 3
	fi
else
  # --help
	echo -e "
Syntax:
volfy client volume_percent

Error Code:\n
1 - Invalid Volume Value
2 - Invalid Client Value
3 - Sink Number failed - See 'pactl list sink-inputs'\n";
fi