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Top Forums Shell Programming and Scripting [KSH/Bash] Starting a parent process from a child process? Post 302408451 by trey85stang on Monday 29th of March 2010 02:07:45 PM
Old 03-29-2010
[KSH/Bash] Starting a parent process from a child process?

Hey all, I need to launch a script from within 2 other scripts that can run independently of the two parent scripts... Im having a hard time doing this, if anyone knows how please let me know.

More detail.

ScriptA (bash), ScriptB (ksh), ScriptC (bash)

ScriptA, launches ScriptB
ScirptB, launchs ScriptC

From ScriptC.. I need to kill ScriptA and ScriptB make some changes.. then luanch ScriptA again.

So Im trying to luanch ScriptC from ScriptB like so:

Code:
/tmp/ScriptC >> /tmp/log.log 2>&1 &
disown %1

That's not working because when I kill ScriptA and ScriptB... ScriptC gets a term signal and bails out. What am I missing here?
 

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kill(1) 						      General Commands Manual							   kill(1)

Name
       kill - send a signal to a process

Syntax
       kill [-sig] processid...
       kill -l

Description
       The command sends the TERM (terminate, 15) signal to the specified processes.  If a signal name or number preceded by `-' is given as first
       argument, that signal is sent instead of terminate.  For further information, see

       The terminate signal kills processes that do not catch the signal; `kill -9 ...' is a sure kill, as the KILL (9) signal cannot  be  caught.
       By convention, if process number 0 is specified, all members in the process group (that is, processes resulting from the current login) are
       signaled.  This works only if you use and not if you use To kill a process it must either belong to you or you must be superuser.

       The process number of an asynchronous process started with `&' is reported by the shell.  Process numbers can also be  found  by  using	It
       allows job specifiers ``%...''  so process ID's are not as often used as arguments.  See for details.

Options
       -l   Lists  signal  names.  The signal names are listed by `kill -l', and are as given in /usr/include/signal.h, stripped of the common SIG
	    prefix.

See Also
       csh(1), ps(1), kill(2), sigvec(2)

																	   kill(1)
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