Don't print license on every invocation

gdead

@@ -38,51 +38,44 @@ while (( "$#" )); do
 done
 
 # Parse show date
-YYYY="$(echo $SHOW_DATE | awk '{print $1}')"
-MM="$(echo $SHOW_DATE | awk '{print $2}')"
-DD="$(echo $SHOW_DATE | awk '{print $3}')"
+YYYY="$(echo ${SHOW_DATE} | awk '{print $1}')"
+MM="$(echo ${SHOW_DATE} | awk '{print $2}')"
+DD="$(echo ${SHOW_DATE} | awk '{print $3}')"
 YYYY1="1900"; YYYY2="2020"
 MM1="01"; MM2="12"
 DD1="01"; DD2="31"
-if [ "$YYYY" != "" ]; then
-	YYYY1="$YYYY"; YYYY2="$YYYY"
-	if [ "$MM" != "" ]; then
-		MM1="$MM"; MM2="$MM"
-		if [ "$DD" != "" ]; then
-			DD1="$DD"; DD2="$DD"
+if [ "${YYYY}" != "" ]; then
+	YYYY1="${YYYY}"; YYYY2="${YYYY}"
+	if [ "${MM}" != "" ]; then
+		MM1="${MM}"; MM2="${MM}"
+		if [ "${DD}" != "" ]; then
+			DD1="${DD}"; DD2="${DD}"
 		fi
 	fi
 fi
 
-# Print license
-echo "  gdead  Copyright © 2021-2022 Keith Irwin (www.ki9.us)"
-echo "  This program comes with ABSOLUTELY NO WARRANTY; for details"
-echo "  see the LICENSE.md that came with it"
-echo "  This is free software, and you are welcome to redistribute it"
-echo "  under certain conditions"
-
 # Metadata search URL
-URL="https://archive.org/advancedsearch.php?q=collection%3A%28GratefulDead%29$SBD\
-+AND+date%3A%5B$YYYY1-$MM1-$DD1+TO+$YYYY1-$MM2-$DD2%5D\
+URL="https://archive.org/advancedsearch.php?q=collection%3A%28GratefulDead%29${SBD}\
++AND+date%3A%5B${YYYY1}-${MM1}-${DD1}+TO+${YYYY1}-${MM2}-${DD2}%5D\
 &fl%5B%5D=identifier\
-&$SORT&rows=1&page=1&output=json&callback=c&save=yes#raw"
+&${SORT}&rows=1&page=1&output=json&callback=c&save=yes#raw"
 
 # Metadata search
-res=$(curl --user-agent "$UA" --silent "$URL" | cut -c 3- | head -c-2 | jq -r '.response.docs[0].identifier')
-if [ "$res" == "" ]; then
+res=$(curl --user-agent "${UA}" --silent "${URL}" | cut -c 3- | head -c-2 | jq -r '.response.docs[0].identifier')
+if [ "${res}" == "" ]; then
 	echo "FATAL: Could not connect to archive.org"
 	exit 4
 fi
 
-if [ "$res" == "null" ]; then
+if [ "${res}" == "null" ]; then
 	echo "No shows found."
 	exit 5
 fi
 
 # Stream it...
-stream="https://archive.org/download/$res/${res}_vbr.m3u"
+stream="https://archive.org/download/${res}/${res}_vbr.m3u"
 if [ "${GUI}" == "true" ]; then
-	vlc --http-user-agent "$UA" --qt-system-tray "$stream"
+	vlc --http-user-agent "${UA}" --qt-system-tray "${stream}"
 else
-	nvlc --play-and-exit --http-user-agent "$UA" "$stream"
+	nvlc --play-and-exit --http-user-agent "${UA}" "${stream}"
 fi