Julien Simon is a Principal Technical Evangelist at Amazon Web Services. He uses this blog to express personal opinions on digital content, computer technology and whatever else keeps the adrenaline flowing
Jan 14, 2011
Hadoop EC2 scripts broken on Windows / cygwin
Grrr... As of 0.21.0, the list-hadoop-clusters and delete-hadoop-cluster scripts need the rev utility, which is neither installed by default nor available as an add-on (unless I'm braindead, which is a definite possibility).
Quickfix : use tac instead
$ ln -s /bin/tac /bin/rev