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Top Forums Shell Programming and Scripting Get Nth record from last line Post 302315892 by ShawnMilo on Wednesday 13th of May 2009 12:38:13 PM
Old 05-13-2009
Quote:
Originally Posted by ford2020
I have a growing file . I knew only last few lines which is constant for evey job run. I'd need to pull the Nth record from the last line. In this case i should not use search pattern.
If you want the last line, use:

Code:
tail -n 1

How you pull the record from a specific position depends on how the record is delimited and what tools you have available (sed, awk, Perl, etc.).
 

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PULL-LP-SOURCE(1)					      General Commands Manual						 PULL-LP-SOURCE(1)

NAME
pull-lp-source - download a source package from Launchpad SYNOPSIS
pull-lp-source [options] source package [release|version] DESCRIPTION
pull-lp-source downloads and extracts the specified version of <source package> from Launchpad, or the latest version of the specified release. To request a version from a particular pocket say release-pocket (with a magic -release for only the release pocket). If no ver- sion or release is specified, the latest version in the development release will be downloaded. OPTIONS
Listed below are the command line options for pull-lp-source: source package This is the source package that you would like to be downloaded from Launchpad. version This is the version of the source package to be downloaded. release This is the release that you would like the source package to be downloaded from. This value defaults to the current development release. -h, --help Display a help message and exit. -d, --download-only Do not extract the source package. -m UBUNTU_MIRROR, --mirror=UBUNTU_MIRROR Use the specified Ubuntu mirror. Should be in the form http://archive.ubuntu.com/ubuntu. If the package isn't found on this mir- ror, pull-lp-source will fall back to Launchpad, as its name implies. --no-conf Do not read any configuration files, or configuration from environment variables. ENVIRONMENT
All of the CONFIGURATION VARIABLES below are also supported as environment variables. Variables in the environment take precedence to those in configuration files. DIST Specifies the default target. CONFIGURATION VARIABLES
The following variables can be set in the environment or in ubuntu-dev-tools(5) configuration files. In each case, the script-specific variable takes precedence over the package-wide variable. PULL_LP_SOURCE_UBUNTU_MIRROR, UBUNTUTOOLS_UBUNTU_MIRROR The default value for --mirror. SEE ALSO
dget(1), pull-debian-source(1), pull-debian-debdiff(1), ubuntu-dev-tools(5) AUTHOR
pull-lp-source and this manual page were written by Iain Lane <iain@orangesquash.org.uk>. Both are released under the GNU General Public License, version 3 or later. ubuntu-dev-tools 4 August 2008 PULL-LP-SOURCE(1)
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