xenial (1) pt-align.1p.gz

Provided by: percona-toolkit_2.2.16-1_all bug

NAME

       pt-align - Align output from other tools to columns.

SYNOPSIS

       Usage: pt-align [FILES]

       pt-align aligns output from other tools to columns.  If no FILES are specified, STDIN is read.

       If a tool prints the following output,

          DATABASE TABLE   ROWS
          foo      bar      100
          long_db_name table  1
          another  long_name 500

       then pt-align reprints the output as,

          DATABASE     TABLE     ROWS
          foo          bar        100
          long_db_name table        1
          another      long_name  500

RISKS

       Percona Toolkit is mature, proven in the real world, and well tested, but all database tools can pose a
       risk to the system and the database server.  Before using this tool, please:

       •   Read the tool's documentation

       •   Review the tool's known "BUGS"

       •   Test the tool on a non-production server

       •   Backup your production server and verify the backups

DESCRIPTION

       pt-align reads lines and splits them into words.  It counts how many words each line has, and if there is
       one number that predominates, it assumes this is the number of words in each line.  Then it discards all
       lines that don't have that many words, and looks at the 2nd line that does.  It assumes this is the first
       non-header line.  Based on whether each word looks numeric or not, it decides on column alignment.
       Finally, it goes through and decides how wide each column should be, and then prints them out.

       This is useful for things like aligning the output of vmstat or iostat so it is easier to read.

OPTIONS

       This tool accepts additional command-line arguments.  Refer to the "SYNOPSIS" and usage information for
       details.

       --help
           Show help and exit.

       --version
           Show version and exit.

ENVIRONMENT

       This tool does not use any environment variables.

SYSTEM REQUIREMENTS

       You need Perl, and some core packages that ought to be installed in any reasonably new version of Perl.

BUGS

       For a list of known bugs, see <http://www.percona.com/bugs/pt-align>.

       Please report bugs at <https://bugs.launchpad.net/percona-toolkit>.  Include the following information in
       your bug report:

       •   Complete command-line used to run the tool

       •   Tool "--version"

       •   MySQL version of all servers involved

       •   Output from the tool including STDERR

       •   Input files (log/dump/config files, etc.)

       If possible, include debugging output by running the tool with "PTDEBUG"; see "ENVIRONMENT".

DOWNLOADING

       Visit <http://www.percona.com/software/percona-toolkit/> to download the latest release of Percona
       Toolkit.  Or, get the latest release from the command line:

          wget percona.com/get/percona-toolkit.tar.gz

          wget percona.com/get/percona-toolkit.rpm

          wget percona.com/get/percona-toolkit.deb

       You can also get individual tools from the latest release:

          wget percona.com/get/TOOL

       Replace "TOOL" with the name of any tool.

AUTHORS

       Baron Schwartz, Brian Fraser, and Daniel Nichter

ABOUT PERCONA TOOLKIT

       This tool is part of Percona Toolkit, a collection of advanced command-line tools for MySQL developed by
       Percona.  Percona Toolkit was forked from two projects in June, 2011: Maatkit and Aspersa.  Those
       projects were created by Baron Schwartz and primarily developed by him and Daniel Nichter.  Visit
       <http://www.percona.com/software/> to learn about other free, open-source software from Percona.

COPYRIGHT, LICENSE, AND WARRANTY

       This program is copyright 2011-2015 Percona LLC and/or its affiliates, 2010-2011 Baron Schwartz.

       THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
       LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU
       General Public License as published by the Free Software Foundation, version 2; OR the Perl Artistic
       License.  On UNIX and similar systems, you can issue `man perlgpl' or `man perlartistic' to read these
       licenses.

       You should have received a copy of the GNU General Public License along with this program; if not, write
       to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.

VERSION

       pt-align 2.2.16