Tue Dec 26 14:39:08 CST 2023

gen_ports.sh

@@ -0,0 +1,22 @@
+#!/opt/homebrew/bin/bash
+
+# Create a random number between 32768 and 65535
+RAND_NUM=$(($RANDOM % (65536 - 32768) + 32768))
+
+# SQLite database setup
+DB_PATH="database.db"
+CREATE_TABLE="CREATE TABLE IF NOT EXISTS ids (id INTEGER PRIMARY KEY)"
+INSERT_INTO="INSERT OR IGNORE INTO ids(id) VALUES ($1)"
+SELECT_EXISTS="SELECT EXISTS (SELECT 1 FROM ids WHERE id = $1)"
+
+# Check if the generated number already exists in the database
+if [ $(sqlite3 "$DB_PATH" -header -separator "," -csv "SELECT $SELECT_EXISTS FROM ids WHERE id = '$RAND_NUM'" | awk '{print $1}') == 0 ]; then
+  # Number is unique, print it and insert into the database
+  echo "Unique random number: $RAND_NUM"
+  sqlite3 "$DB_PATH" -header -separator "," -csv "INSERT OR IGNORE INTO ids(id) VALUES ($RAND_NUM)"
+else
+  # Number is not unique, generate a new random number and repeat the process
+  echo "Number already exists. Generating a new one..."
+  RAND_NUM=$(($RANDOM % (65536 - 32768) + 32768))
+  echo "Unique random number: $RAND_NUM"
+fi