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Top Forums Shell Programming and Scripting Problem while concatenating variables in shell script Post 302499210 by Corona688 on Wednesday 23rd of February 2011 04:34:31 PM
Old 02-23-2011
First off you realize you have to source this, not run it, right? You do that by running . filename in your shell. Actually executing it will be pointless because it will get its own, separate copy of the environment variables to fiddle with, leaving yours alone.

So remove the #! line, it won't do anything.

Next, properly quote everything.

Next, split the export and = statements since some shells throw up when you combine them.

How does this work?
Code:
echo "== SET ENVIRONMENT VARIABLES =="
PACK_HOME="/opt/API-R111/PACKAGES"
export PACK_HOME
JDBC_VER="ORACLE9.2.0"
export JDBC_VER
JDBC_CLASSES="${PACK_HOME}/jdbc/${JDBC_VER}/classes12.zip"
export JDBC_CLASSES
echo "${PACK_HOME}"
echo "${JDBC_CLASSES}"

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shell(1F)							   FMLI Commands							 shell(1F)

NAME
shell - run a command using shell SYNOPSIS
shell command [command] ... DESCRIPTION
The shell function concatenate its arguments, separating each by a space, and passes this string to the shell ($SHELL if set, otherwise /usr/bin/sh). EXAMPLES
Example 1: A sample output of shell command. Since the Form and Menu Language does not directly support background processing, the shell function can be used instead. `shell "build prog > /dev/null &"` If you want the user to continue to be able to interact with the application while the background job is running, the output of an exe- cutable run by shell in the background must be redirected: to a file if you want to save the output, or to /dev/null if you don't want to save it (or if there is no output), otherwise your application may appear to be hung until the background job finishes processing. shell can also be used to execute a command that has the same name as an FMLI built-in function. NOTES
The arguments to shell will be concatenate using spaces, which may or may not do what is expected. The variables set in local environments will not be expanded by the shell because "local" means "local to the current process." ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), attributes(5) SunOS 5.10 5 Jul 1990 shell(1F)
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