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Thanx alot .
That is working.
But sorry I want to ask more
how can we implement end of file command in shell
means I have to insert nos. from user till he presses "ctrl c" and after that...

My problem is to input float value.
I have done it in this way
#!bin/bash
sum=0.0
read a
sum=`expr $a + $sum | bc`
echo sum
but when i entered float no. then it is giving expr...non numeric...

thank you for that
but what problem I am having is
read a
sum=0.0
sum=`expr $a + $sum`
then it is not working means it is not accepting the float data
plz help me out.
thanx

how to input float data type in bash shell programming in linux?
I am new to it so unaware to use the commands plz help me out.
thank you.

I want to input a float data and add them in shell in linux. I am new user of it can anyone tell me how I can do it?
thanx