add ssgep for current systems

functions/ssgrep.fish

@@ -0,0 +1,16 @@
+function ssgrep --description 'show open ports for $argv'
+	switch (count $argv)
+
+	case 0
+		echo -e "No argument given!\nDo you expect me to guess what you're looking for?"
+		return 1
+
+	case 1
+		ss -tlpn | grep $argv
+
+	case \*
+		echo "Only 1 argument is valid!"
+		return 1
+
+	end
+end