I think you mean ..$#a, not ..@a. This works, too: perl -wpe'$a[($i+=1)%=5]=$_ if /foo/} for(@a[$i+1..$#a,0..$i]){' file

In reply to Re: Re: last $n lines that match a criteria by ysth
in thread last $n lines that match a criteria by BUU

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