From 4817c1bc0222f7172d1acb9c18912a7e6f36a3c7 Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Fri, 25 Aug 2023 01:09:10 +0300
Subject: bin/sbin: Refactor shell scripts

---
 .local/bin/chkb | 23 ++++++++++++-----------
 .local/bin/scst | 43 ++++++++++++++++++++++++++-----------------
 .local/bin/vlt  | 10 ++++++----
 3 files changed, 44 insertions(+), 32 deletions(-)

(limited to '.local/bin')

diff --git a/.local/bin/chkb b/.local/bin/chkb
index bc6da23..4f96877 100755
--- a/.local/bin/chkb
+++ b/.local/bin/chkb
@@ -2,18 +2,19 @@
 
 set -e
 
-export OSEL_GUI='wofi -d -r "echo \"%s\" | cut -f2 | xargs echo -n"'
+export OSEL_GUI_FLAGS='-r "echo \"%s\" | cut -f2 | xargs echo -n"'
 
-choice="`sed -En 's/\s*name\[Group1\]\s*=\s*"([^"]*)"\s*;\s*/\1/p' \
-	~/.xkb/symbols/mango \
-	| sort \
-	| nl -v0 -nln \
-	| osel`"
-
-[ -n "$choice" ] && {
+if choice="`
+	sed -En 's/\s*name\[Group1\]\s*=\s*"([^"]*)"\s*;\s*/\1/p' \
+		~/.xkb/symbols/mango \
+		| sort \
+		| nl -v0 -nln \
+		| osel
+`"
+then
 	hyprctl -j devices \
 		| jq -r '.keyboards[-1].name' \
-		| xargs -I{} hyprctl switchxkblayout {} ${choice%	*}
+		| xargs -I{} hyprctl switchxkblayout {} ${choice%	*} >/dev/null
 	notify-send -a "${0##*/}" -u normal 'Keyboard Layout Changed' \
-		"The keyboard layout was changed to ‘${choice##*	}’"
-}
+		"The keyboard layout was changed to ‘${choice##*	}’."
+fi
diff --git a/.local/bin/scst b/.local/bin/scst
index 6b63009..5cce936 100755
--- a/.local/bin/scst
+++ b/.local/bin/scst
@@ -2,26 +2,30 @@
 
 set -e
 
-notify() {
+notify()
+{
 	notify-send -a ${0##*/} -i "$filename" 'Screenshot copied' \
-		'Screenshot successfully copied to the clipboard'
+		'Screenshot successfully copied to the clipboard.'
 }
 
-if [ $# -eq 1 -a "$1" = "-f" ]; then
+if [ $# -eq 1 -a "$1" = "-f" ]
+then
 	fflag=true
 	shift
 fi
 
-[ $# -ge 1 ] && {
+if [ $# -ge 1 ]
+then
 	echo "Usage: ${0##*/} [-f]" >&2
 	exit 1
-}
+fi
 
-outdir=${XDG_PICTURES_DIR:-$HOME/Pictures}/screen
-filename="$outdir/`date +%F_%T.png`"
+readonly outdir=${XDG_PICTURES_DIR:-$HOME/Pictures}/screen
+readonly filename="$outdir/`date +%F_%T.png`"
 [ -d "$outdir" ] || mkdir -p "$outdir"
 
-if ${fflag:-false}; then
+if ${fflag:-false}
+then
 	grim "$filename"
 else
 	slurp 2>/dev/null | ifne grim -g - "$filename"
@@ -29,12 +33,17 @@ fi
 
 [ -f "$filename" ] || exit 1
 
-printf 'Copy screenshot\nEdit- and copy screenshot\n' \
-	| osel \
-	| if read res && [ "$res" = 'Copy screenshot' ]; then
-		wl-copy <"$filename"
-		notify
-	elif [ "$res" = 'Edit- and copy screenshot' ]; then
-		swappy -f "$filename" -o - | pee wl-copy cat | sponge "$filename"
-		notify
-	fi
+opt="`printf 'Copy screenshot\nEdit- and copy screenshot\n' | osel`"
+
+case "$opt" in
+'Copy screenshot')
+	wl-copy <"$filename"
+	notify
+	;;
+'Edit- and copy screenshot')
+	swappy -f "$filename" -o - \
+		| pee wl-copy cat \
+		| sponge "$filename"
+	notify
+	;;
+esac
diff --git a/.local/bin/vlt b/.local/bin/vlt
index 4121207..af68545 100755
--- a/.local/bin/vlt
+++ b/.local/bin/vlt
@@ -15,10 +15,12 @@ sanitize()
 
 usage()
 {
-	echo "Usage: ${0##*/} add [-c]"  >&2
-	echo "       ${0##*/} edit [-c]" >&2
-	echo "       ${0##*/} get"       >&2
-	echo "       ${0##*/} rm [-c]"   >&2
+	cat <<-EOF >&2
+	Usage: ${0##*/} add [-c]
+	       ${0##*/} edit [-c]
+	       ${0##*/} get
+	       ${0##*/} rm [-c]
+	EOF
 	exit 1
 }
 
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