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C:\tmp\files>perl -nE"if ($x=(/PATTERN1/../PATTERN3/)) { @out=() if /P +ATTERN1/; push @out,$_; print @out if $x=~/E0$/ }" input2 PATTERN1 SOME INFO ... TEXT6 PATTERN3 SOME INFO C:\tmp\files>
C:\tmp\files>perl -nE" $first=/PATTERN1/; $last=/PATTERN3/; if ( $firs +t..$last) { @o=() if $first; push @o,$_; say @o if $last }" input2 PATTERN1 SOME INFO ... TEXT5 TEXT6 PATTERN3 SOME INFO