| 1 | #!/bin/sh
|
| 2 |
|
| 3 | # A while loop is a way to run a command over and over again while a
|
| 4 | # condition is true. The condition can be an evaluation or simply the
|
| 5 | # word 'true'. Take these examples
|
| 6 | #
|
| 7 | # $ i=10
|
| 8 | # $ while [ "$i" -ge 1 ]; do
|
| 9 | # $ echo "$i"
|
| 10 | # $ i=$((i - 1))
|
| 11 | # $ done
|
| 12 | #
|
| 13 | # The snippet above lists out all the integers from 10 until i equals
|
| 14 | # 0. You can also use 'break' to stop that while loop
|
| 15 | #
|
| 16 | # $ evil_number=36
|
| 17 | # $ count=1
|
| 18 | # $ while true; do
|
| 19 | # $ [ ! $count -eq $evil_number ] && echo "Not evil number"
|
| 20 | # $ [ $count -eq $evil_number ] && break
|
| 21 | # $ done
|
| 22 | # $ echo "Evil number found"
|
| 23 | #
|
| 24 | # For your challenge, complete this game for the user. Do not change
|
| 25 | # the correct number.
|
| 26 |
|
| 27 | magic_number=2987133075769857928
|
| 28 | echo "I'm thinking of a number between 1 and four hundred quintillion."
|
| 29 |
|
| 30 | while True;
|
| 31 | printf "Take a guess: "
|
| 32 | read user_input
|
| 33 | [ $magic_number -eq $user_input ] && break
|
| 34 | echo "Nope, wrong."
|
| 35 |
|
| 36 | echo "Got it, cheater"
|
