blockcheck: update for new strategies. nfqws check order reworked.

common/base.sh

@@ -60,11 +60,22 @@ starts_with()
 	esac
 	return 1
 }
+extract_arg()
+{
+	# $1 - arg number
+	# $2,$3,... - args
+        local n=$1
+        while [ -n "$1" ]; do
+                shift
+                [ $n -eq 1 ] && { echo "$1"; return 0; }
+                n=$(($n-1))
+        done
+        return 1
+}
 find_str_in_list()
 {
 	# $1 - string
 	# $2 - space separated values
-
 	local v
 	[ -n "$1" ] && {
 		for v in $2; do

common/installer.sh

@@ -221,7 +221,7 @@ check_system()
 		else
 			echo system is not either systemd, openrc or openwrt based
 			echo easy installer can set up config settings but can\'t configure auto start
-			echo you have to do it manually. check readme.txt for manual setup info.
+			echo you have to do it manually. check readme.md for manual setup info.
 			if [ -n "$1" ] || ask_yes_no N "do you want to continue"; then
 			    SYSTEM=linux
 			else
@@ -232,7 +232,7 @@ check_system()
 	elif [ "$UNAME" = "Darwin" ]; then
 		SYSTEM=macos
 	else
-		echo easy installer only supports Linux and MacOS. check readme.txt for supported systems and manual setup info.
+		echo easy installer only supports Linux and MacOS. check readme.md for supported systems and manual setup info.
 		exitp 5
 	fi
 	echo system is based on $SYSTEM