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MySQL Cookbook
book

MySQL Cookbook

by Paul DuBois
October 2002
Intermediate to advanced content levelIntermediate to advanced
1024 pages
27h 26m
English
O'Reilly Media, Inc.
Content preview from MySQL Cookbook

Setting Environment Variables

Problem

You need to modify your operating environment, for example, to change your shell’s PATH setting.

Solution

Edit the appropriate shell startup file. Under Windows NT-based systems, another alternative is to use the System control panel.

Discussion

The shell or command interpreter you use to run programs from the command-line prompt includes an environment in which you can store variable values. Some of these variables are used by the shell itself. For example, it uses PATH to determine which directories to look in for programs such as mysql. Other variables are used by other programs (such as PERL5LIB, which tells Perl where to look for library files used by Perl scripts).

Your shell determines the syntax used to set environment variables, as well as the startup file in which to place the settings. Typical startup files for various shells are shown in the following table. If you’ve never looked through your shell’s startup files, it’s a good idea to do so to familiarize yourself with their contents.

Shell

Possible startup files

csh, tcsh

.login, .cshrc, .tcshrc

sh, bash, ksh

.profile .bash_profile, .bash_login, .bashrc

DOS prompt

C:\AUTOEXEC.BAT

The following examples show how to set the PATH variable so that it includes the directory where the mysql program is installed. The examples assume there is an existing PATH setting in one of your startup files. If you have no PATH setting currently, simply add the appropriate line or lines to ...

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Publisher Resources

ISBN: 0596001452Catalog PageErrata