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Full Discussion: Mysql output to file
Top Forums Shell Programming and Scripting Mysql output to file Post 302998476 by rbatte1 on Friday 2nd of June 2017 11:06:58 AM
Old 06-02-2017
You have a few choices:-
  • Embed a write-to-file command in your SQL
  • Redirect the output to a file.

The SQL write to file for mysql is documented here MySQL :: MySQL 5.7 Reference Manual :: 13.2.9.1 SELECT ... INTO Syntax The gotcha is that the file is local to the database, so if you are connecting to a remote database, it doesn't write the file to your local client disk, so that may not be acceptable. You seem to be connecting to the localhost, so it should work just fine.

In the latter, option would be to add > /path/to/my_output_file into your script. You would put it in place to capture the output from the MYSQL command, although I would have expected this to be actually a mysql command.

You should get away with this:-
Code:
MYSQL -u$MASTER_DB_USER -p$MASTER_DB_PASSWD -P$MASTER_DB_PORT -h$MASTER_DB_HOST -D$MASTER_DB_NAME <<EOF > /path/to/my_output_file
$SQL_Query
EOF
echo "End of script"


I hope that this helps,
Robin
 

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MYSQL_CONFIG(1) 					       MySQL Database System						   MYSQL_CONFIG(1)

NAME
mysql_config - display options for compiling clients SYNOPSIS
mysql_config options DESCRIPTION
mysql_config provides you with useful information for compiling your MySQL client and connecting it to MySQL. It is a shell script, so it is available only on Unix and Unix-like systems. mysql_config supports the following options. o --cflags Compiler flags to find include files and critical compiler flags and defines used when compiling the libmysqlclient library. The options returned are tied to the specific compiler that was used when the library was created and might clash with the settings for your own compiler. Use --include for more portable options that contain only include paths. o --include Compiler options to find MySQL include files. o --libmysqld-libs, --embedded Libraries and options required to link with the MySQL embedded server. o --libs Libraries and options required to link with the MySQL client library. o --libs_r Libraries and options required to link with the thread-safe MySQL client library. In MySQL 5.5, all client libraries are thread-safe, so this option need not be used. The --libs option can be used in all cases. o --plugindir The default plugin directory path name, defined when configuring MySQL. o --port The default TCP/IP port number, defined when configuring MySQL. o --socket The default Unix socket file, defined when configuring MySQL. o --version Version number for the MySQL distribution. If you invoke mysql_config with no options, it displays a list of all options that it supports, and their values: shell> mysql_config Usage: /usr/local/mysql/bin/mysql_config [options] Options: --cflags [-I/usr/local/mysql/include/mysql -mcpu=pentiumpro] --include [-I/usr/local/mysql/include/mysql] --libs [-L/usr/local/mysql/lib/mysql -lmysqlclient -lpthread -lm -lrt -lssl -lcrypto -ldl] --libs_r [-L/usr/local/mysql/lib/mysql -lmysqlclient_r -lpthread -lm -lrt -lssl -lcrypto -ldl] --socket [/tmp/mysql.sock] --port [3306] --version [5.5.31] --libmysqld-libs [-L/usr/local/mysql/lib/mysql -lmysqld -lpthread -lm -lrt -lssl -lcrypto -ldl -lcrypt] You can use mysql_config within a command line using backticks to include the output that it produces for a particular option. For example, to compile and link a MySQL client program, use mysql_config as follows: shell> gcc -c `mysql_config --cflags` progname.c shell> gcc -o progname progname.o `mysql_config --libs` COPYRIGHT
Copyright (C) 1997, 2014, Oracle and/or its affiliates. All rights reserved. This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/. SEE ALSO
For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at http://dev.mysql.com/doc/. AUTHOR
Oracle Corporation (http://dev.mysql.com/). MySQL 5.5 01/30/2014 MYSQL_CONFIG(1)
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