You can make use of the $. special variable: 
$ perl -ne 'print if ($. == 4)' test.txt
Line 4
$ perl -ne 'print if ( 4 < $. and $. < 11)' test.txt
Line 5
...
Line 10

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The $. stores the current line number of the last filehandle accessed: see here.

CU
Robartes-

In reply to Re: write exact lines of file by robartes
in thread write exact lines of file by b1rd

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