This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
when I try to echo this result to a file using echo $abcd>> /tmp/abc it is not working
It works when I run from the command prompt and this gets assigned to abcd but when I try to print the value using echo $abcd i dont get any results..