recording scripts now more robust

.scripts/screencast

@@ -1,38 +1,26 @@
-#!/bin/bash
+#!/bin/sh
 
 # This script records a screencast with audio and video.
 # It runs an appropriate record script for either ALSA and Pulseaudio.
 # It also names files smartly to prevent overwrites.
 
 # Picks a file name for the output file based on availability:
-while [[ -f $HOME/screencast$n.mkv ]]
+while [ -f "$HOME/screencast$n.mkv" ]
 do
 	n=$((n+1))
 done
 filename="$HOME/screencast$n.mkv"
 
-# For Pulseaudio with ALSA:
-record_pulse() { \
 ffmpeg -y \
 -f x11grab \
 -framerate 60 \
--s $(xdpyinfo | grep dimensions | awk '{print $2;}') \
+-s "$(xdpyinfo | grep dimensions | awk '{print $2;}')" \
 -i :0.0 \
 -f alsa -i default \
 -r 30 \
- -c:v libx264rgb -crf 0 -preset ultrafast -c:a flac $filename ;}
+ -c:v libx264rgb -crf 0 -preset ultrafast -c:a flac "$filename" &
 
-# For ALSA:
-record_alsa() { \
-ffmpeg -y \
--f x11grab \
--s $(xdpyinfo | grep dimensions | awk '{print $2;}') \
--i :0.0 \
--thread_queue_size 1024 \
- -f alsa -ar 44100 -i hw:1 \
- -c:v libx264 -r 30 -c:a flac $filename ;}
-
-
-if [[ $(pgrep -x pulseaudio) ]]; then record_pulse; else record_alsa; fi &
+# PID outputted for use by the killrecording script
+echo $! > ~/.recordingpid
 # Updating i3blocks recording icon:
 echo ⏺️ > ~/.recordingicon && pkill -RTMIN+9 i3blocks