bin: fix little issues in b

.local/bin/scripts/b

@@ -22,7 +22,8 @@ while getopts "$opts" OPTION; do
 	# inspect: Show file info without preview
 	(i) inspect=true;;
 	(t) tree=true;;
-	(v) set -eo xtrace;;
+	(v) set -eo xtrace;
+		export PS4='+\#> ';;
 	(h|?) echo "Usage: $(basename $0) [-$opts] <paths...>" && exit 2;;
 esac
 done
@@ -65,7 +66,7 @@ for arg; do
 	fi
 	# amount of columns in a grid
 	grid=$(expr $(tput cols) / \( 25 - \( $# / 2 \) \& $# \< 30 \| 5 \))
-	tmpfile="$prefix/$(basename "$arg")_$(dd "if=$arg" bs=512 count=10 2>/dev/null | md5sum | tr -d ' ')"
+	tmpfile="$prefix/$(basename "$arg")_$(dd "if=$arg" bs=512 count=10 2>/dev/null | md5sum | tr -d ' ' || true)"
 	mkdir -p "$prefix"
 	case "$mime" in
 	(*\ application/pdf\;*)
@@ -193,7 +194,8 @@ if test "$bat" -o "$batplain"; then
 					cp "$file" "$txt"
 					timgtxt+=("$txt")
 				done
-				timg -V --grid="$(expr 4 \& ${#bat[@]} \> 5 \| ${#bat[@]})" --title="%b" --frames=3 "${timgtxt[@]}"
+				timg -V --grid="$(expr 4 \& ${#bat[@]} \> 5 \| ${#bat[@]})" --title="%b" --frames=3 "${timgtxt[@]}" ||
+					head -3 "${timgtxt[@]}"
 				#fileinfo "${bat[@]}"
 				;;
 			(*) for file in "${bat[@]}"; do

.local/bin/scripts/help

@@ -29,7 +29,7 @@ case "$cmd" in
 	# Non-standard help flags
 	(doom) "$@" --help;;
 	(mpw) "$@" -h 2>&1 | $paginate;;
-	(plantuml) unbuffer "$@" -help | $paginate;;
+	(plantuml|java) unbuffer "$@" -help | $paginate;;
 	(rails) { "$@" -H && "$@" --help; } | $paginate;;
 	(vlc) shift && unbuffer vlc --full-help "$@" | $paginate;;
 	(kdeconnect*) shift && kdeconnect-cli --help-all "$@" | $paginate;;

.local/bin/scripts/synctray

@@ -1,4 +1,5 @@
-#!/bin/sh
+#!/bin/sh -ex
+# Install syncthingtray with dependencies
 suffix=$1
 yay --noconfirm -Syyu --nobatchinstall c++utilities$suffix qtforkawesome$suffix qtutilities$suffix
 yay --noconfirm -S syncthingtray$suffix