This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell 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..