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Top Forums Shell Programming and Scripting Capturing the output of a background job Post 302553763 by brsett on Thursday 8th of September 2011 02:06:14 PM
Old 09-08-2011
Quote:
Originally Posted by DGPickett
If you redirect stdout and stderr, nohup has nothing to write. If you do not want later output in file or mail, where do you want it? A new xterm?
In a variable so that I can use it in a later computation. This is all a huge script that uses ssh to do a bunch of remote work. I need a single remote invocation to print some junk to stdout, and start a long running process that I will wait on. The goal is to pull the junk out of stdout, and on the basis of that, figure out what data I will send the long running process (it is listening on a seperate port).
 

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shell(1F)							   FMLI Commands							 shell(1F)

NAME
shell - run a command using shell SYNOPSIS
shell command [command] ... DESCRIPTION
The shell function concatenate its arguments, separating each by a space, and passes this string to the shell ($SHELL if set, otherwise /usr/bin/sh). EXAMPLES
Example 1 A sample output of shell command. Since the Form and Menu Language does not directly support background processing, the shell function can be used instead. `shell "build prog > /dev/null &"` If you want the user to continue to be able to interact with the application while the background job is running, the output of an exe- cutable run by shell in the background must be redirected: to a file if you want to save the output, or to /dev/null if you don't want to save it (or if there is no output), otherwise your application may appear to be hung until the background job finishes processing. shell can also be used to execute a command that has the same name as an FMLI built-in function. NOTES
The arguments to shell will be concatenate using spaces, which may or may not do what is expected. The variables set in local environments will not be expanded by the shell because "local" means "local to the current process." ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), attributes(5) SunOS 5.11 5 Jul 1990 shell(1F)
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