allow terms and selection to be specified on the command line...

This allows you to run:
sh snapaid.sh find amd64 vmdk CURRENT xz 1

and it will automatically d/l the latest vm image that is vmdk, xz
compressed for the amd64 architecture.

snapaid.sh

@@ -313,6 +313,7 @@ if [ x"$1" = x"verify" ]; then
 		verifyfile "$vermid" "$i"
 	done
 elif [ x"$1" = x"find" ]; then
+	shift
 	fetch "$currenturl"
 
 	tmpdir=$(mktemp -d -t snapaid)
@@ -320,11 +321,12 @@ elif [ x"$1" = x"find" ]; then
 	trap "rm -r $tmpdir" 0
 
 	( cd "$tmpdir";
-	xzcat "$STOREDIR"/snapshot.idx.xz | sort -r -k 5 > selection;
+	xzcat "$STOREDIR"/snapshot.idx.xz | sort -r -k 5 -k 2 > selection;
 	while :; do
-		# display current list
 		cnt=$(wc -l < selection)
-		awk '
+		if [ x"$1" = x"" ]; then
+			# display current list
+			awk '
 BEGIN {
 	# xzcat snapshot.complete.idx.xz | ./maxcol.awk
 	# xzcat snapshot.complete.idx.xz | awk "{ print $3}" | sort -u
@@ -347,9 +349,15 @@ BEGIN {
 
 	cnt += 1
 }
-		' selection
+			' selection
+		fi
 
-		read -p 'Select image #, enter search term, reset, or quit: ' sel
+		if [ x"$1" != x"" ]; then
+			sel="$1"
+			shift
+		else
+			read -p 'Select image #, enter search term, reset, or quit: ' sel
+		fi
 		if [ x"$sel" = x"reset" ]; then
 			xzcat "$STOREDIR"/snapshot.idx.xz | sort -r -k 5 > selection;
 			continue
@@ -491,7 +499,7 @@ else
 	fi
 	echo "Usage:"
 	echo "	$0 verify file ..."
-	echo "	$0 find"
+	echo "	$0 find [ termselection ... ]"
 	echo ""
 	echo "The verify option will attempt to verify each file specified."
 	echo ""