Or if you don't want to test the length of your array forevermore:

my @history = ("\n") x 3;
while (<>) {
    print @history if /pattern/;
    push @history, $_;
    shift @history;
}

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In reply to Re^2: How can I print three lines before pattern match? by Narveson
in thread How can I print three lines before pattern match? by neurotoxx

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