#!/bin/bash

# generate a random number between 1 and 100
number=$(( RANDOM % 100 + 1 ))

# set the maximum number of guesses
max_guess=5

# initialize the number of guesses
count=0

# main game loop
while true; do
    # read the user's guess
    read -p "Guess a number between 1 and 100 (or 'q' to quit): " guess

    # check if the user entered 'q' to quit the game
    if [[ "$guess" == "q" ]]; then
        echo "Goodbye!"
        exit 0
    fi

    # check if the user's guess is valid
    if ! [[ "$guess" =~ ^[0-9]+$ ]]; then
        echo "Invalid input. Please enter a number between 1 and 100."
        continue
    fi

    # increment the number of guesses
    count=$(( count + 1 ))

    # check if the user's guess is correct
    if [[ "$guess" -eq "$number" ]]; then
        echo "You guessed it! The number was $number."
        exit 0
    elif [[ "$guess" -lt "$number" ]]; then
        echo "Too low!"
    else
        echo "Too high!"
    fi

    # check if the user has used up all their guesses
    if [[ "$count" -eq "$max_guess" ]]; then
        echo "You have used up all your guesses. The number was $number."
        exit 0
    fi

done

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About Bash

Bash (Bourne Again Shell) is a shell program written by Brian Fox and is an upgraded version of Bourne Shell program 'sh'.

Features

  • Open source GNU project
  • Read and execute the commands from a Shell Script
  • Can be invoked by either single-character command line options (-a, -b, -c, -i, -l, -r, etc. ) or by multi-character command line options also like --help, --debugger,--login, etc.
  • Consists of Key bindings
  • Available in restricted mode for the environment security
  • Contains one-dimensional arrays to manipulate the lists of data.

Syntax help

Variables

name="Foo"
echo $name
echo "$name"
echo "${name}"

Conditional Statements

If

if [ conditional-expression ]  
then  
statements  
fi

If-else

if [ conditional-expression ]  
then  
   statements  
else  
  statements
fi

Else-If

if [ conditional-expression ]  
then  
   statements  
elif [ conditional-expression ]  
then  
 statements  
else  
  statements
fi