First pass on Submission count input validation.

Furaffinity/fa.sh

@@ -9,6 +9,17 @@ minsubs=0 #sets the default minimum bound of submission depth
 minsubarg=$2
 echo "===FA.SH: The Random FA Sub Generator==="
 
+# Check if the rep argument was filled already, test for non-numbers.
+
+if [ -n "$rep"]; then
+	if [[ $rep != [0-9]* ]]; then
+		echo "Sumbssion Count Argument is not an integer"
+		exit
+	else
+	fi
+fi
+
+# Todo: Validate the rep count is only numbers.
 if [[ -z  "$rep" ]]; then
 	echo "///"
 	echo "How many submissions to pull? (Default: 1)"