Here's how I would remove the first line:
perl -i.bak -ne 'print if $. > 1'

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and here's how I would remove the first and last line:
perl -i.bak -ne 'print $prev if $. > 2; $prev=$_' test1

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In reply to Re: Regex by Thelonius
in thread Delete the first line of a file ? by cored

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