01-27-2012
Grep command to return all the lines between one matched pattern to another.
14:15:00-
abcdefghijkl.
14:30:00-
abcdefghijkl.
14:35:00-
abcdefghijkl.
123456789.
123456789.
14:45:00-
abcdefghijkl.
14:50:00-
abcdefghijkl.
123456789.
15:30:00-abcdefghijkl.
16:00:00-abcdefghijkl.
The log file has timestamp when it is appended.Now I want a command that returns all the lines between14:30:00 to 15:30:00. That means I want to check all the logs stored in this time range.Grep command is preferable,anything else will do as well.Thanks
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For example a log file looks like below-
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LEARN ABOUT OSX
digest::crc
Digest::CRC(3) User Contributed Perl Documentation Digest::CRC(3)
NAME
Digest::CRC - Generic CRC functions
SYNOPSIS
# Functional style
use Digest::CRC qw(crc64 crc32 crc16 crcccitt crc crc8 crcopenpgparmor);
$crc = crc64("123456789");
$crc = crc32("123456789");
$crc = crc16("123456789");
$crc = crcccitt("123456789");
$crc = crc8("123456789");
$crc = crcopenpgparmor("123456789");
$crc = crc($input,$width,$init,$xorout,$refout,$poly,$refin,$cont);
# add data to existing
$crc = crc32("ABCD", $crc);
# OO style
use Digest::CRC;
$ctx = Digest::CRC->new(type=>"crc16");
$ctx = Digest::CRC->new(width=>16, init=>0x2345, xorout=>0x0000,
refout=>1, poly=>0x8005, refin=>1, cont=>1);
$ctx->add($data);
$ctx->addfile(*FILE);
$digest = $ctx->digest;
$digest = $ctx->hexdigest;
$digest = $ctx->b64digest;
DESCRIPTION
The Digest::CRC module calculates CRC sums of all sorts. It contains wrapper functions with the correct parameters for CRC-CCITT, CRC-16,
CRC-32 and CRC-64, as well as the CRC used in OpenPGP's ASCII-armored checksum.
SEE ALSO
https://tools.ietf.org/html/rfc4880#section-6
AUTHOR
Oliver Maul, oli@42.nu
COPYRIGHT
CRC algorithm code taken from "A PAINLESS GUIDE TO CRC ERROR DETECTION
ALGORITHMS".
The author of this package disclaims all copyrights and releases it into the public domain.
perl v5.16.2 2013-08-25 Digest::CRC(3)