.. not being able to do, reduced to nitpicking.
Sorry your answer was so beautiful I studied it but..
perl -e '@data=qw(1 2 3 4 5 6 7 8 9 10 11); 
 foreach (grep {not (/1/../3/) =~ /^1?$|E/ } @data) { 
   print "o> $_\n";
 }
'

[download]
prints
o> 2
o> 11

I hope I'm wrong..

In reply to Re: Re: flip-flop operator and sequence number by mattr
in thread flip-flop operator and sequence number by iakobski

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