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Full Discussion: bash logging al $() command lines
Top Forums Shell Programming and Scripting bash logging al $() command lines Post 302581245 by Corona688 on Monday 12th of December 2011 12:57:12 PM
Old 12-12-2011
Quote:
Originally Posted by methyl
I seem to remember you advising me that the following ksh construct doesn't work in bash (but if it does, it's worth a try):
Code:
(
# shell lines
) | program

Nothing wrong with that construct. ksh evaluates pipes in a different order is all, so read on the end of a pipe-chain would set values in the subshell in a bourne shell, but the parent shell in ksh.
This User Gave Thanks to Corona688 For This Post:
methyl
 

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LEARN ABOUT OSX

pcastctl

pcastctl(8)						    BSD System Manager's Manual 					       pcastctl(8)

NAME

     pcastctl -- Podcast Producer daemons control interface

SYNOPSIS

     pcastctl status target on|off|start|stop|restart

OPTIONS

     The available options are as follows:

     status			    print status of running daemons

     target			    affect agent or server daemon

     start|stop|restart 	    explicitly start/stop/restart daemon.  Note that 'restart' will kill all instances of a given daemon, as will
				    'stop' if none is specified in the pid file.

RETURN VALUES

     0 Completed succesfully.

     1 Action failed

     10 Not run as root.

     50 Target not recognized: use 'a', or 's'.

     51 Action not recognized: use start|stop|restart

     52 Executables not found; may need to reinstall Podcast Producer.

     53 Process directory not found; may need to reinstall Mac OS X.

     54 Timeout waiting for action to complete.

     55 Launchd manipulation failure.

FILES

     /usr/libexec/podcastproducer/pcastagentd
	     Podcast Producer agent daemon

     /usr/share/podcastproducer/pcastserverd
	     Podcast Producer server daemon

     /var/run/pcastagentd.pid
	     Podcast Producer agent process ID

     /var/run/pcastserverd.pid
	     Podcast Producer server process ID

     /System/Library/LaunchDaemons/com.apple.pcastagentd.plist
	     Launchd agent daemon control file

     /System/Library/LaunchDaemons/com.apple.pcastserverd.plist
	     Launchd server daemon control file

EXAMPLES

     status of Podcast Producer agent daemon

	   $ pcastctl agent status

     edit launchd configuration to launch server on system startup

	   $ pcastctl server on

DIAGNOSTICS

     Warning: Warning: ## copies of (pcastagentd|pcastserverd) already running

     Trying to launch another daemon when one or more already running; will usually succeed, but may cause unpredictable behavior.
     See also RETURN VALUES, above.

ERRORS

     Error: failed to launch (executable)

     Tried to start/restart a give daemon, but failed.

     Error: process 'executable' not currently running

     Tried to kill a process which did not exist.

SEE ALSO

     pcast(1) launchd(8)

HISTORY

     This program was first introduced in Mac OS X 10.5 "Leopard".  It was inspired by xgridctl(8).

BUGS

     pcastctl(8) uses kill -TERM to allow the daemons a chance to die gracefully; there is currently no way to force a kill -KILL.

     Bug reports can be sent to bugreport.apple.com

     Feedback can be sent to podcastproducer@apple.com

Mac OS								September 29, 2004							    Mac OS
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