NBash

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#!/bin/bash
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# hilow -- Простая игра "угадай число"
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biggest=100 # Максимальное возможное число
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guess=0 # Число, предложенное игроком
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guesses=0 # Количество попыток
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number=$(( $$ % $biggest )) # Случайное число от 1 до $biggest
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echo "Guess a number between 1 and $biggest"
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    while [ "$guess" -ne $number ] ; do
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        /bin/echo -n "Guess? " ; read guess
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        echo "guess=$guess"
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        if [ "$guess" -lt $number ] ; then
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           echo "... bigger!"
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        elif [ "$guess" -gt $number ] ; then
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           echo "... smaller!"
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        fi
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        guesses=$(( $guesses + 1 ))
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        echo "guesses=$guesses"
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    done
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echo "Right!! Guessed $number in $guesses guesses."
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exit 0