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Full Discussion: export and access env variable in two scripts
Top Forums Shell Programming and Scripting export and access env variable in two scripts Post 302465973 by bhushan123 on Monday 25th of October 2010 04:36:49 AM
Old 10-25-2010
export and access env variable in two scripts
Hi,

I have two scripts say one.sh and two.sh.
I want one.sh to continuously export a variable in loop. and when two.sh starts then it should read the last value exported from one.sh.

file: one.sh
Code:
#! bin/sh
for i in `seq 1 1 4000000`; do
export VAR=$(($i**$i)) ;
done

file two.sh
Code:
#! bin/bash
echo $VAR ;

I am running 1st script in background as sh one.sh &
and starting two.sh .Then two.sh is not printing the vale of VAR exported from one.sh.

Please guide me on how this can be done.

Thanks !
 

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LEARN ABOUT SUNOS

export

asadmin-export(1AS)						   User Commands					       asadmin-export(1AS)

NAME

       asadmin-export, export - marks a variable name for automatic export to the environment of subsequent commands in multimode

SYNOPSIS

       export  [ name=value  [ name=value]*]

       Marks  a variable name for automatic export to the environment of subsequent commands. All subsequent commands use the variable name values
       as specified; unless you unset them or exit multimode. If only the variable name is specified, the current value of that variable  name	is
       displayed.  If  the  export  command  is  used  without	any arguments, a list of all the exported variables and their values is displayed.
       Exported shell environment variables set prior to invoking the asadmin utility are imported automatically and  set  as  exported  variables
       within asadmin. Unexported environment variables cannot be read by the asadmin utility.

OPERANDS

       name=value	       variable name and value for automatic export to the environment to be used by subsequent commands.

       Example 1: Using export to list the environment variables

       asadmin> export AS_ADMIN_HOST=bluestar AS_ADMIN_PORT=8000 AS_ADMIN_USER=admin AS_ADMIN_PASSWORD=password
       asadmin> export AS_ADMIN_PREFIX=server1.jms-service
       asadmin> export //to list the environment variables that are set
       AS_ADMIN_HOST=bluestar
       AS_ADMIN_PORT=8000
       AS_ADMIN_USER=admin
       AS_ADMIN_PASSWORD=********
       AS_ADMIN_PREFIX=server1.jms-service

       Where:  the export command lists the environment variables that are set. In this case, the environment variables have been set to: the host
       is bluestar, the port is 8000, the administrator user is admin with an associated password, and the prefix is server1.jms-service.

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

       asadmin-unset(1AS), asadmin-multimode(1AS)

J2EE 1.4 SDK							    March 2004						       asadmin-export(1AS)
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