scripts: updated to cleaner logic for global variables

.local/bin/etc/screen_capture/record_replay_start

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-[ -z "$CAPTURE_INPUT_AUDIO" ] && audio_1="easyeffects_sink.monitor" || audio_1="$CAPTURE_INPUT_AUDIO"
-[ -z "$CAPTURE_OUTPUT_AUDIO" ] && audio_2="easyeffects_source" || audio_2="$CAPTURE_OUTPUT_AUDIO"
-[ -z "$CAPTURE_DIR" ] && output="$HOME/downloads" || output="$CAPTURE_DIR"
+audio_1=${CAPTURE_INPUT_AUDIO:-easyeffects_sink.monitor}
+audio_2=${CAPTURE_OUTPUT_AUDIO:-easyeffects_source}
+output=${CAPTURE_DIR:-$HOME/downloads}
 
 window=$(xdotool getwindowfocus)
 fps=60

.local/bin/etc/screen_capture/record_start

@@ -1,15 +1,15 @@
 #!/bin/sh
 
-[ -z "$CAPTURE_INPUT_AUDIO" ] && audio_1="easyeffects_sink.monitor" || audio_1="$CAPTURE_INPUT_AUDIO"
-[ -z "$CAPTURE_OUTPUT_AUDIO" ] && audio_2="easyeffects_source" || audio_2="$CAPTURE_OUTPUT_AUDIO"
-[ -z "$CAPTURE_DIR" ] && output_dir="$HOME/downloads" || output_dir="$CAPTURE_DIR"
+audio_1=${CAPTURE_INPUT_AUDIO:-easyeffects_sink.monitor}
+audio_2=${CAPTURE_OUTPUT_AUDIO:-easyeffects_source}
+output=${CAPTURE_DIR:-$HOME/downloads}
 
 window=$(xdotool getwindowfocus)
 fps=30
 format="mp4"
 v_codec="h264"
-a_codec="opus"
-output="$output_dir/recording-$(date '+%Y-%m-%d_%H-%M-%S').$format"
+a_codec="aac"
+output="$output/recording-$(date '+%Y-%m-%d_%H-%M-%S').$format"
 
-gpu-screen-recorder -w $window -c $format -k $v_codec -ac $a_codec -f $fps -a $audio_1 -a $audio_2 -o $output &
+gpu-screen-recorder -w $window -c $format -k $v_codec -ac $a_codec -f $fps -o $output &
 notify-send -u low 'Screen record' 'Recording started'

.local/bin/etc/statusbar/disk

@@ -3,7 +3,7 @@
 # Status bar module for disk space
 # $1 should be drive mountpoint
 
-[ -z "$STATUSBAR_DISK" ] && disk="/home" || disk="$STATUSBAR_DISK"
+disk=${STATUSBAR_DISK:-/home}
 
 [ ! -z "$1" ] && disk="$1"
 

.local/bin/etc/sxhkd/audio/lmc

@@ -4,7 +4,7 @@
 # Based on a script by lukesmithxyz, checkout github.com/lukesmithxyz/voidrice
 # Heavily extended and updated to a pipewire system
 
-[ -z "$LOOPBACK_DEVICE" ] && device="Easy Effects Source" || device="$LOOPBACK_DEVICE"
+device=${LOOPBACK_DEVICE:-Easy Effects Source}
 
 name=$(wpctl status | sed -n '/Sources/,$p' | sed -n '/Filter/q;p' | grep "$device" | sed -e "s/*/\ /g")
 id=$( echo $name | cut -d '.' -f 1 | cut -c 5-)

.local/bin/etc/sxhkd/monitor

@@ -3,8 +3,8 @@
 # toggle external monitor
 # by lukesmithxyz, checkout github.com/lukesmithxyz/voidrice
 
-[ -z "$INTERNAL_MONITOR" ] && intern="LVDS1" || intern="$INTERNAL_MONITOR"
-[ -z "$EXTERNAL_MONITOR" ] && extern="HDMI2" || extern="$EXTERNAL_MONITOR"
+intern=${INTERNAL_MONITOR:-LVDS1}
+extern=${EXTERNAL_MONITOR:-HDMI2}
 
 case "$1" in
   toggle) (xrandr | grep "$extern disconnected")

.local/bin/etc/sxhkd/screenshot

@@ -3,9 +3,9 @@
 # Requires maim. It lets you choose the kind of screenshot to take,
 # including copying the image or even highlighting an area to copy.
 
-[ -z "$SCREENSHOT_DIR" ] && output_dir="$HOME/downloads" || output_dir="$SCREENSHOT_DIR"
+output=${SCREENSHOT_DIR:-$HOME/downloads}
 
-output="$output_dir/screenshot-$(date '+%Y-%m-%d_%H-%M-%S').png"
+output="$output/screenshot-$(date '+%Y-%m-%d_%H-%M-%S').png"
 xclip_img="xclip -sel clip -t image/png"
 xclip_txt="xclip -sel clip -t text/plain"
 

.local/bin/tools/wallpaper

@@ -2,11 +2,8 @@
 
 # Adapted from a script by lukesmithxyz, checkout github.com/lukesmithxyz/voidrice
 
-[ -z "$WALLPAPER_DESKTOP" ] && wall_desk="$XDG_DATA_HOME/bg" || wall_desk="$WALLPAPER_DESKTOP"
-[ -z "$WALLPAPER_LOCK" ] && wall_lock="$XDG_DATA_HOME/lock" || wall_lock="$WALLPAPER_LOCK"
-
-echo $wall_desk
-echo $wall_lock
+wall_desk=${WALLPAPER_DESKTOP:-$XDG_DATA_HOME/bg}
+wall_lock=${WALLPAPER_LOCK:-$XDG_DATA_HOME/lock}
 
 case "$1" in
   desktop) trueloc="$(readlink -f "$2")" &&