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Got an error in above code .There is no variable named var defined in your code.Re-check that.Below works as expected


#!/bin/bash
#var=1024
mem=`(cat /proc/meminfo | grep MemTotal)`...

In the script the var variable does not get set. When you try the lines one by one it probably does have a value. Try:
echo "$var"

Probably you meant to use the mem variable.
mem_digit=`(echo...

You have no echo command after the copy to existing folder.
Add a message and you'll get one ;)

What if the creation of the folder fails?
So you could move the:
if [ $? -eq 0 ]
...

@Ashish

Moved the if [ -d "${location}" ] inside the first successful if statement, since it is the only place that belongs, otherwise it will execute even when it is established that the file...