extracting selected few lines through perl


 
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Old 07-16-2008
There is an easy way out with perl too...

perl -ne 'print if $. >= 10; exit if $. >= 15;' filename1

Here $. is a special variable that represents current line number.

Regards,
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PFUNC(1p)						User Contributed Perl Documentation						 PFUNC(1p)

NAME
pfunc - grep for perl functions SYNOPSIS
pfunc subroutine FILES... DESCRIPTION
pfunc searches the named FILES for all calls to the given subroutine. It will report back the file and line number each call is found on along with what sort of call it is function foo() class method Class->foo() object method $obj->foo() EXAMPLE
$ pfunc isa /usr/share/perl/5.6.1/*.pm Called as function in /usr/share/perl/5.6.1/CGI.pm at line 316 Called as function in /usr/share/perl/5.6.1/CGI.pm at line 327 Called as function in /usr/share/perl/5.6.1/CGI.pm at line 397 Called as function in /usr/share/perl/5.6.1/CGI.pm at line 494 Called as function in /usr/share/perl/5.6.1/CGI.pm at line 495 Called as object method in /usr/share/perl/5.6.1/CPAN.pm at line 4957 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 191 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 218 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 248 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 251 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 254 Called as object method in /usr/share/perl/5.6.1/Shell.pm at line 28 Called as object method in /usr/share/perl/5.6.1/base.pm at line 12 NOTES
Its not fast, but its accurate. AUTHOR
Michael G Schwern <schwern@pobox.com> SEE ALSO
Module::Info perl v5.10.1 2010-10-03 PFUNC(1p)