fix a few minor things -- thanks tfurrows

gophed

@@ -22,27 +22,28 @@ usage() {
 	    "   $0 -h" \
 	    '' \
 	    'In a gopher page, just type:' \
-	    "  !./g %% LINE" \
+	    "  !./g % LINE" \
 	    'to visit the resource at LINE, or:' \
-	    "  !./d %% LINE" \
+	    "  !./d % LINE" \
 	    'to download the resource at LINE\n'
 	exit 0
 }
 
 trap cleanup INT QUIT HUP KILL ABRT TERM
 
-[ "$#" -lt 1 ] || [ "$1" = -h ] && usage
+[ "$#" -lt 1 ] || [ "$1" = "-h" ] && usage
 
-if [ "$0" = gophed ] && [ "$1" = -i ]; then
+script_name="$(basename "$0")"
+
+if [ "${script_name}" = "gophed" ] && [ "$1" = "-i" ]; then
 	ln -sf "$0" g
 	ln -sf "$0" d
 	ln -sf "$0" v
 	exit 0
 fi
 
-script_name="$(basename "$0")"
 
-if [ "$script_name" = gophed ] || [ "$script_name" = v ]; then
+if [ "$script_name" = "gophed" ] || [ "$script_name" = "v" ]; then
 	sel="$(printf '%s' "$1" | sed -r 's:/:+:g')"
 	TMPFILE="$(mktemp "/tmp/gophed_${2}_${sel}_$3.XXXXXXXXXXXXXXXXXXX")"
 	go "$1" "$2" "$3" > "$TMPFILE"
@@ -51,19 +52,19 @@ if [ "$script_name" = gophed ] || [ "$script_name" = v ]; then
 	exit 0
 fi
 
-if [ "$script_name" = g ] || [ "$script_name" = d ]; then
+if [ "$script_name" = "g" ] || [ "$script_name" = "d" ]; then
-	LINE="$(awk "{if (NR == '$2') print '$0';}" "$1")"
+	LINE=$(awk "{if (NR == $2) print \$0;}" $1)
 	RESOURCE="$(printf '%s' "$LINE" | cut -d '	' -f 2)"
 	HOST="$(printf '%s' "$LINE" | cut -d '	' -f 3)"
 	PORT="$(printf '%s' "$LINE" | awk -F '	' '{ match($4,/[[:digit:]]+/); print substr($4,RSTART,RLENGTH) }')"
 
-	if [ "$script_name" = g ]; then
+	if [ "$script_name" = "g" ]; then
 		SEL="$(printf '%s' "$RESOURCE" | sed -r 's:/:+:g')"
 		TMPFILE="$(mktemp "/tmp/gophed_${HOST}_${SEL}_$PORT.XXXXXXXXXXXXXXXXXXX")"
 		go "$RESOURCE" "$HOST" "$PORT" > "$TMPFILE"
 		cat "$SHOW" - | ed -p "$PROMPT" "$TMPFILE"
 	fi
-	if [ "$script_name" = d ]; then
+	if [ "$script_name" = "d" ]; then
 		DIR_RESOURCE="$(dirname "$RESOURCE")"
 		printf 'Download %s in %s\n' "$RESOURCE" "$HOST$RESOURCE"
 		mkdir -p "$HOST/$DIR_RESOURCE"