perl -nle 's/\d+\./xxx./g; print' filename

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As long we're writing one-liners, that should probably be 
perl -ple 's/\d+\./xxx./g' filename

[download]
See -p in perlrun.

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

In reply to Re^2: Filtering out IP addresses by kennethk
in thread Filtering out IP addresses by Anonymous Monk

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