Calling a script from master script to get value from called script

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# 1  
Old 03-14-2014
RedHat Calling a script from master script to get value from called script

I am trying to call a script( from a master script( to get string type value from calling script to master script. I have used scripts mentioned below.
echo $fileExist
echo "The script is called"
export $fileExist

When I run the in the output one blank line is coming but I want to print "XYZ"

Please help ASAP.

Last edited by vbe; 03-14-2014 at 12:51 PM.. Reason: code tags
# 2  
Old 03-14-2014
We have the emergency forum for urgent requests.
Here we are at best effort.
Environment cannot be returned from a child process (called process) to its parent process.
Only a return value (integer) and output text can be returned.

The following includes ./ within ./

. ./
echo $fileExist

echo "The script is called"
export fileExist # promote to environment - will be inherited by child processes.

Note the . before ./, it means sourcing, not calling.
# 3  
Old 03-14-2014
Apologies for typos...
Q: How does the master script know what child script is doing?
A: It doesn't.
Therefore your attempt at reading a similarly named variable falls back the default of
a NULL string.
You could always save the contents of "$fileExist" to disk and re-read with a similar
variable name as above.
This way any shell could re-read it...
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