Linux.com has another
list of favorite sysadmin tools. "If the Internet is the
Information Superhighway, then Perl is the Fix-a-Flat and the spare tire --
and the spare drive-shaft, should you need it. Anything you can do in a
shell or sed or awk script, you can do in Perl. With the -ne options, you
can iterate automatically over every line of input in a pipe chain."
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