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  1. Practice
  2. Linux Shell
  3. Bash
  4. The World of Numbers
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The World of Numbers

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  • hpedrorodrigues + 0 comments

    This worked fine

    read x
read y

echo $((x + y))
echo $((x - y))
echo $((x * y))
echo $((x / y))

  • baadf00d + 0 comments

    My Solution

    #!/bin/bash
read X
read Y
printf "%s\n" $X{+,-,*,/}"($Y)" | bc

  • zsayed1 + 0 comments
    read x
read y
for i in {+,-,"*",/}
do
    var=$(((x)$i(y)))
    echo $var
done

  • CAP_hadd0ck + 0 comments

    Four hours or so and i've got this.

    #!/bin/bash
read x
read y

if [ "$x" -ge "-100" ] && [ "$y" -ge "-100" ] && [ "$x" -le "100" ] && [ "$y" -le "100" ] && [ "$y" -ne "0" ]; then
	echo "$x + $y" | bc
	echo "$x - $y" | bc
	echo "$x * $y" | bc
	echo "$x / $y" | bc
else
	echo "ERROR"

fi

    works like a charm. probably messy. i'm extremely new to bash-scripts.

  • shubhamitankr + 0 comments
    read x 
read y
echo `expr $x + $y`
echo `expr $x - $y`
echo `expr $x \* $y`
echo `expr $x / $y`
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