added .gitignore and a script to unify .nft files into nftables.conf

.gitignore

@@ -0,0 +1 @@
+nftables.conf

makeconf.sh

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+#!/bin/bash
+
+# ${1} is original filename
+# ${2} is counter (use n for empty)
+# ${3} is file to replace from
+replace(){
+  local pattern=$(sed ':a;N;$!ba;s/\n/Ñ/g;s/\(\/\|\.\)/\\\1/g' "${3}")
+  if [ ${2} != "0" ]
+  then
+    local new_content="$(sed "1,/include/{s/include \"[a-z\.\/]\+\"/${pattern}/}" "${1}""$(bc -l <<< "${2} - 1")".nft | sed 's/Ñ/\n/g')";
+    echo "${new_content}" > "${1}${2}".nft
+  else
+    local new_content="$(sed "1,/include/{s/include \"[a-z\.\/]\+\"/${pattern}/}" "${1}".nft | sed 's/Ñ/\n/g')";
+    echo "${new_content}" > "${1}${2}".nft
+  fi
+}
+
+filename=filter
+declare -i counter=0
+for i in $(grep include filter.nft | awk '{print $2}' | tr -d \")
+  do replace "${filename}" "${counter}" "${i}"
+  counter+=1
+done
+
+counter=${counter}-1
+mv "${filename}""${counter}".nft nftables.conf
+while [ ${counter} -ge 0 ]
+do
+  rm "${filename}""${counter}".nft
+  counter=${counter}-1
+done