The capture whether the script is running or not - is easy, at least when compared to the challenge transporting the exit value out of the subshell to that this handler script knows it, which script has exited with which exit code.
I would have a solution for this at hand, but I'm afraid it works only with 1 background process at a time (that is pseudo-copied to below example).
Either way, it forces you to send a more complex command in the background process, adapt to all 3 files.
Then catch the result of those ./script[1-3]_ret files within a loop, and it should be fine.
Hope this helps
EDIT:
Just for the challenge I've written a script, but not going to post until TO has posted his efforts.
Last edited by rbatte1; 10-14-2014 at 07:15 AM..
Reason: Spelling
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LEARN ABOUT DEBIAN
mongo
MONGO(1) Mongo Database MONGO(1)NAME
mongo - the Mongo command-line tool
SYNOPSIS
mongo [OPTIONS] [DB_ADDRESS] [FILE+]
DESCRIPTION
mongo is a JavaScript shell (with GNU readline capabilities). It supports interactive and non-interactive use. When used interactively,
JavaScript can be used to query the database or perform any other function normally available with SpiderMonkey. Database output is dis-
played in JSON format.
If JavaScript files are specified on the command line, the shell will run non-interactively, running each one in sequence and then exiting.
EXAMPLES
mongo start the shell, connecting to the server at localhost:27017 and using the test database
mongo foo
start the shell using the foo database at localhost:27017
mongo 192.169.0.5/foo
start the shell using the foo database at 192.169.0.5:27017
mongo 192.169.0.5:9999/foo
start the shell using the foo database at 192.169.0.5:9999
mongo script1.js script2.js script3.js
run three scripts and exit
OPTIONS --shell
run the shell after executing files
--help show usage information
--host HOST
server to connect to (default HOST=localhost)
--port PORT
port to connect to (default PORT=27017)
--nodb do not connect to mongod
--eval SCRIPT
evaluate JavaScript
-u USERNAME
specify user to log in as
-pPASSWORD
specify password of user (notice there is no space)
COPYRIGHT
Copyright 2007-2009 10gen
SEE ALSO
For more information, please refer to the MongoDB wiki, available at http://www.mongodb.org.
AUTHOR
Kristina Chodorow
10gen June 2009 MONGO(1)