open(FH,"test.txt");
$i=0;
$j1=0;
$j2=0;
while ( <FH> ) {

        ## If the line matches for this pattern, I should read 4th line from current line
        if ( $_ =~/you have to read the fourth line/ ){
                $j1=-4;
        }
        elsif ( $j1<0 ){
                $j1++;
                print $_ if $j1==0;
        }
        ## If the line matches for this pattern, I should read 2nd line from current line
        elsif ( $_ =~/you have to read the second line/ ){
                $j2=-2;
        }
        elsif ( $j2<0 ){
                $j2++;
                print $_ if $j2==0;
        }
print $i++,"\n";
} 

In reply to Re: Reading nth line from a file by gmontema
in thread Reading nth line from a file by perlthirst

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