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- The problem statement, all variables and given/known data:
I have written a script for a dice game that: (1) tells user that each of the 2 die are 6 sided ( Spots=6 ); (2) asks the user to guess the value of the rolled dies, which would be in the range of 2 to 12 ( $guess_value ); (3) script generates a random roll of the 2 die ( $RANDOM % $Spots +1� ); (4) tell user the random value rolled ( $roll_value ); (5) compare user's guess ( $guess_value ) to random roll ( $roll_value ), telling user if values are equal, the game is won, otherwise, game is lost.
I, originally, wrote the script without verifying that the user enters a number within the range of 2 to 12, which works as intended (see #3 below). Then, I added an if...else loop to verify user's entry (i.e. ask for another entry if not in range), but do not attain the result expected if a number outside the range of 2 to 12 is entered.
Could someone please assist with this verification loop? Thank You.
- Relevant commands, code, scripts, algorithms:
Below is the script that I'm having an issue with:
clear
die1=0
die2=0
Spots=6
echo �Hello. Welcome to Random Roll.�
echo �The object of Random Roll is to guess the value of the 2 die rolled.�
echo �You will be rolling 2 die. Each of the two die have 6 sides.�
echo �Please enter a number between 2 and 12.�
#max side of 6 could give a minimum roll value of 2 and a maximum roll value of 12
read guess_value
echo �You have guessed that you will roll a� $guess_value
#Sanitize number input to ensure number is 2 to 12
if [[ $guess_value �lt 2 && $guess_value �gt 12 ]]
then
echo �Sorry. Your guess is not within the range of 2 to 12. Please enter a number in the range of 2 to 12.�
else
echo �You have guessed that you will roll a� $guess_value.�
fi
read guess_value
echo �The dice have been rolled.�
echo �Rolling�.�
echo � Rolling��
echo � Rolling��
let �die1 = $RANDOM % $Spots +1� #die 1 roll
let �die2 = $RANDOM % $Spots +1� #die 2 roll
let roll_value=die1+die2
echo �You have rolled� $roll_value
if test $roll_value �eq $guess_value
then
echo �Congratulations. You have won Random Roll.�
else
echo �Sorry. You have lost Random Roll. Thank you for playing.�
- The attempts at a solution (include all code and scripts):
The script works fine without the loop trying to verify that the user's guess is within the range of 2 to 12. That script is:
clear
die1=0
die2=0
spots=6
echo �Hello. Welcome to Random Roll.�
echo �The object of Random Roll is to guess the value of the 2 die rolled.�
echo �You will be rolling 2 die. Each of the two die have 6 sides.�
echo �Please enter a number between 2 and 24.�
#max side of 6 could give a minimum roll value of 2 and a maximum roll value of 12
read guess_value
echo �You have guessed that you will roll a� $guess_value
echo �THE DICE ARE ROLLING...�
echo �Rolling�.�
echo � Rolling��
echo � Rolling��
let �die1 = $RANDOM % $Spots +1� #die 1 roll
let �die2 = $RANDOM % $Spots +1� #die 2 roll
echo �Die 1 value is $die1.�
echo �Die 2 value is $die2.�
let roll_value=die1+die2
echo �You have rolled� $roll_value
if test $roll_value �eq $guess_value
then
echo �Congratulations. You have won Random Roll.�
else
echo �Sorry. You have lost Random Roll. Thank you for playing.�
fi
- Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
Baker College of Auburn Hills (Auburn Hills, MI); U.S.A. Instructor: David Koppy; Lux211
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