added a --threads flag for specifying the number of threads

portradar.sh

@@ -15,6 +15,7 @@ options:
   --force	scan open ports even if ping is disabled
   --pointers	only scan key ports
   --httpx	run httpx
+  -t, --threads	specify the number of threads (default:50, max:500)
 SYNTAX
     exit
 }
@@ -92,7 +93,8 @@ scan_tcp(){
 	handle & pid=$!
 
 	# scan residual ports
-	k=0; for c in $(seq 1 65535); do [[ ! ${top_1000[$c]} ]] && { tcp_scan & ((k++)); [[ $k -eq 500 ]] && { sleep .248; k=0; }; }; done
+	[[ ! $threads ]] && threads=50
+	k=0; for c in $(seq 1 65535); do [[ ! ${top_1000[$c]} ]] && { tcp_scan & ((k++)); [[ $k -eq $threads ]] && { sleep .248; k=0; }; }; done
 
 	# wait
 	kill -TERM $pid 2>/dev/null; wait
@@ -265,6 +267,10 @@ while [ "$1" != "" ]; do
 	--httpx)
 		HTTPX=true
 		;;
+	-t | --threads)
+		shift
+		[[ $1 =~ ^[0-9]+ ]] && { [[ $1 -gt 500 ]] && { cg_color bby "So now you just want to blow up the CPU?"; help; } || { threads=$1; }; } || help
+		;;
 	*)
 		[[ $1 =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]] && { ip=$1; } || { [[ $1 =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/[0-9]+$ ]] && { cidr=$1; }; } || { [[ -f $1 ]] && { ipocalypse=($(<$1)); }; } || help
 		;;