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#!/usr/local/bin/perl ($_ = 'of Perl Wisdom') =~ s/(.*)/Just Another Perl \1, /; ... ($_ = 'Hacker') =~ s/(.*)/Just Another Perl \1, /; print if /(\S+ )+$1/; print "and Just another Perl ",\1;
perl -e 'while($l++<99){$_.=x;print $l,$1,$/if/^x$|^(xx+)\1+$/}'