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Top Forums Shell Programming and Scripting Put currently running script into background Post 302980074 by Don Cragun on Tuesday 23rd of August 2016 01:48:09 PM
Old 08-23-2016
Quote:
Originally Posted by JackK
Hi,
I think I can do it simply by creating two scripts: test.sh and test_bg.sh
test_bg.sh will be executed in test.sh by the command:
Code:
nohup test_bg.sh &

I've got a question now... How may I bring test_bg.sh to the foreground (it will be running with PPID=1)?
Hi JackK,
I assume that sometime in the last four days you tried what I suggested in post #5 in this thread and decided that it won't work. Please explain what it did that you didn't want it to do or that it didn't do that you wanted it to do!

Only the parent shell of a process placed in the background can bring that child back into the foreground. If the parent exits after backgrounding a child, that child cannot be brought back to the foreground by another process.

If the child knew what its paren't controlling terminal was when it was backgrounded and the terminal session is still active, a child might be able to reconnect itself to that terminal session, but until you clearly explain what you are trying to do I will not spend any time trying to research whether or not this is possible in a shell script.
 

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create child(1m)														  create child(1m)

NAME
create child - Creates a child pointer at the master replica of the parent directory SYNOPSIS
cdscp create child child-name clearinghouse clearinghouse-name ARGUMENTS
The full name of the child pointer. The full name of a clearinghouse that contains a replica of the child directory. DESCRIPTION
The create child command creates a child pointer at the master replica of the parent directory. When CDS looks up a name in the namespace, it uses child pointers to locate directory replicas. Use the set cdscp preferred clearinghouse command before issuing this command to ensure that the request is directed to the master replica. Privilege Required You must have insert permission to the parent directory. NOTES
Use the create child command only to re-create a child pointer that is accidentally deleted. This command is designed only for trou- bleshooting. This command will fail if the associated directory does not exist. If the associated directory exists, this command will return success- fully. This command is replaced at Revision 1.1 by the dcecp command and may not be provided in future releases of DCE. EXAMPLE
The following command creates the child pointer in the parent directory /.:/subsys. It uses the replica located at the /.:/subsys/NY_CH clearinghouse to fill in its replica set. cdscp> create child /.:/subsys clearinghouse /.:/subsys/NY_CH RELATED INFORMATION
Commands: delete child(1m), list child(1m), show child(1m) create child(1m)
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