Applying xargs
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There are some commands that turn out to be more useful than first meets the eye. In my opinion, xargs is one of those commands. It takes the standard input and uses it to build a command line. It's nothing fancy, but it's very handy in some situations. As soon as you have a list of files, you can easily do something to them. A favorite, common enough to have a shell script of its own on my machine, is clean-titles.sh. It simply locates all backup files using the pattern *~, and then passes them on to rm. The result is a nice and clean current working directory and sub-tree.
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