program in UNIX which accepts three sides of triangle and check triangle can be formed or not.

Write a shell script which accepts three sides of triangle and check triangle can be formed or not.

echo "enter the 3 sides of da trngle"

read x  y  z

if [ `expr $x + $y` -gt $z -o `expr $y + $z` -gt $x -o `expr $x + $z` -gt $y ]

then

echo "The triangle can be formed "

else

echo "Triangle can not be formed!!"

fi