If the file isn't huge then you could do this      perl -i.bak -ne 'print unless $h{$_}++' file

The -i.bak gives you an effective in-place edit with a back-up in file.bak.

--
John.

In reply to Re: finding and deleting repeated lines in a file by jmcnamara
in thread finding and deleting repeated lines in a file by Becky

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