Add number_guess.sh

number_guess.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+PSQL="psql --username=freecodecamp --dbname=number_guessing_game -t --no-align -c"
+
+NUMBER=$((1 + $RANDOM % 1000))
+
+echo "Enter your username:"
+read USERNAME
+
+USER_QUERY=$($PSQL "SELECT username, games_played, best_game FROM users WHERE username = '$USERNAME'")
+
+if [[ -z $USER_QUERY ]]; then
+  echo "Welcome, $USERNAME! It looks like this is your first time here."
+  INSERT_USER=$($PSQL "INSERT INTO users(username) VALUES('$USERNAME')")
+  BEST_GAME=""
+else
+  GAMES_PLAYED=$(echo "$USER_QUERY"| cut -d'|' -f2)
+  BEST_GAME=$(echo "$USER_QUERY"| cut -d'|' -f3)
+  echo "Welcome back, $USERNAME! You have played $GAMES_PLAYED games, and your best game took $BEST_GAME guesses."
+fi
+
+
+GUESSES=1
+
+echo "Guess the secret number between 1 and 1000:"
+read GUESS
+while [[ $GUESS -ne $NUMBER ]]; do
+
+
+  if [[ ! $GUESS =~ ^[0-9]+$ ]]; then
+    echo "That is not an integer, guess again:"
+    read GUESS
+    continue
+  fi
+
+  if [[ $NUMBER -lt $GUESS ]]; then
+    echo "It's lower than that, guess again:"
+    ((GUESSES++))
+  else
+    echo "It's higher than that, guess again:"
+    ((GUESSES++))
+  fi
+
+  read GUESS
+done
+
+echo "You guessed it in $GUESSES tries. The secret number was $NUMBER. Nice job!"
+
+if [[ $GUESSES -lt $BEST_GAME || -z $BEST_GAME ]]; then
+  UPDATE_USER=$($PSQL "UPDATE users SET best_game = $GUESSES WHERE username = '$USERNAME'")
+fi
+
+UPDATE_USER=$($PSQL "UPDATE USERS SET games_played = games_played + 1 WHERE username = '$USERNAME'")