#!/bin/bash
echo "Podaj pierwsza liczba:"
read a
echo "Podaj druga liczba:"
read b
echo "Podaj operacje (jedna z): +, - , / lub X"
read opr
if [ $opr = "+" ]
then
op=`expr $a + $b`
echo "$op"
elif [ $opr = "-" ]
then
op=`expr $a - $b`
echo "$op"
elif [ $opr = "/" ]
then
op=`expr $a / $b`
echo "$op"
elif [ $opr = "X" ]
then
op=`expr $a \* $b`
echo "$op"
fi