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Full Discussion: Print the above and below lines for the grep pattern.
Top Forums Shell Programming and Scripting Print the above and below lines for the grep pattern. Post 302467909 by expert on Monday 1st of November 2010 01:20:37 AM
Old 11-01-2010
Print the above and below lines for the grep pattern.
Hi,

i would like to get the above and below lines of the grep pattern .
For ex :
file as below:
chk1- aaaa
1-Nov
chk2 -aaaa
##########
chk1-bbbbbb
1-Nov
chk2-bbbbbb
#########

my search pattern is date : 1-Nov


i need the o/p as below
chk1- aaaa
1-Nov
chk2 -aaaa
chk1-bbbbbb
1-Nov
chk2-bbbbbb

Thanks in Advance Smilie
 

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LEARN ABOUT OSX

apr::date

apache_mod_perl-108~358::mod_perl-2.0.7::docs::api::APR:UsereContributed Perl Docuapache_mod_perl-108~358::mod_perl-2.0.7::docs::api::APR::Date(3)

NAME

       APR::Date - Perl API for APR date manipulating functions

Synopsis
	 use APR::Date ();

	 # parse HTTP-complient date string
	 $date_string = 'Sun, 06 Nov 1994 08:49:37 GMT';
	 $date_parsed = APR::Date::parse_http($date_string);

	 # parse RFC822-complient date string
	 $date_string = 'Sun, 6 Nov 94 8:49:37 GMT';
	 $date_parsed = APR::Date::parse_rfc($date_string);

Description
       "APR::Socket" provides the Perl interface to APR date manipulating functions.

API

       "APR::Date" provides the following functions and/or methods:

   "parse_http"
       Parse HTTP date strings

	 $date_parsed = parse_http($date_string);

       arg1: $date_string ( string )
	   The date string can be in one of the following formats:

	     Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123
	     Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
	     Sun Nov  6 08:49:37 1994	    ; ANSI C's asctime() format

	   refer to RFC2616 for the details (GMT is assumed, regardless of the used timezone).

       ret: $date_parsed ( number )
	   the number of microseconds since 1 Jan 1970 GMT, or 0 if out of range or if the date is invalid.

       since: 2.0.00

       Remember to divide the return value by 1_000_000 if you need it in seconds.

   "parse_rfc"
       Parse a string resembling an RFC 822 date.  It's meant to be lenient in its parsing of dates.  Hence, this will parse a wider range of
       dates than "parse_http()".

	 $date_parsed = parse_rfc($date_string);

       arg1: $date_string ( string )
	   The date string can be in one of the following formats:

	     Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123
	     Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
	     Sun Nov  6 08:49:37 1994	    ; ANSI C's asctime() format
	     Sun, 6 Nov 1994 08:49:37 GMT   ; RFC 822, updated by RFC 1123
	     Sun, 06 Nov 94 08:49:37 GMT    ; RFC 822
	     Sun, 6 Nov 94 08:49:37 GMT     ; RFC 822
	     Sun, 06 Nov 94 08:49 GMT	    ; Unknown [drtr@ast.cam.ac.uk]
	     Sun, 6 Nov 94 08:49 GMT	    ; Unknown [drtr@ast.cam.ac.uk]
	     Sun, 06 Nov 94 8:49:37 GMT     ; Unknown [Elm 70.85]
	     Sun, 6 Nov 94 8:49:37 GMT	    ; Unknown [Elm 70.85]

       ret: $date_parsed ( number )
	   the number of microseconds since 1 Jan 1970 GMT, or 0 if out of range or if the date is invalid.

       since: 2.0.00

       Remember to divide the return value by 1_000_000 if you need it in seconds.

See Also
       mod_perl 2.0 documentation.

Copyright
       mod_perl 2.0 and its core modules are copyrighted under The Apache Software License, Version 2.0.

Authors
       The mod_perl development team and numerous contributors.

perl v5.16.2							    2011-02-07	  apache_mod_perl-108~358::mod_perl-2.0.7::docs::api::APR::Date(3)
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