That argument was added in 5.6.0 I believe, it prevents the globbing of the the evil saw ampersand and friends. (Since any program which uses these will take a great hit in the regular expression engine.)

--
perl -p -e "s/(?:\w);([st])/'\$1/mg"

In reply to Re: Re: Re: Answer: Contents of directory without extensions by belg4mit
in thread Contents of directory without extensions by JohnMcPherson

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