#!/bin/bash#This is the ffmpeg command that the screencast shortcut in i3 will run.#Picks a file name for the output file based on availability:while[[-f$HOME/audio$n.flac ]]do
n=$((n+1))done
filename="$HOME/audio$n.flac"#The actual ffmpeg command:
ffmpeg -y \
-f alsa -ar44100-i hw:1 \
$filename