07-07-2005
background process
How, can I hide background process's output?
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1. Shell Programming and Scripting
Hello all,
How do I start a background process and save the process id to a file on my system. For example %wait 5 & will execute and print the process id. I can't figure out how to get it to a file. I've tried: > filename 0>filename 1>filename.
Any assistance is most appreciated.
Thanks,
Jim... (10 Replies)
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2. Shell Programming and Scripting
Hi Guys,
I am facing some weird problem with my shell script. The script shows up a menu and for every ontion internally calls a shell script which start/stop various servers. When I am using '&' while calling the internal shell script so that the server run in the background. For exiting... (1 Reply)
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3. Shell Programming and Scripting
Hi,
In shell script when I use
script1 >> filelog
the echo statments of script1 gets printed in the filelog
but when I try to run script in background i.e,
script1 & >> filelog
nothing gets printed in the filelog.
Anybody knows whats going on here.
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4. Shell Programming and Scripting
Hi,
I have a main script(main.ksh) within which I have called another script(sub.ksh). The sub.ksh script is made to run in the background using '&'. The main.ksh script logs the information in a logfile main_ddmmyy and the sub.ksh script also logs the information in the log file sub_ddmmyy.... (5 Replies)
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5. Red Hat
If I run a process in the back ground like
find . -name "abc" &
after the process is complete we get a msg like
+ Done find . -name "abc" &
Is it possible to redirect this msg to /dev/null
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6. UNIX for Dummies Questions & Answers
I need to submit a script that will continue to run after logging out and after a reboot or shutdown.
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What I need to learn is how to use a script that launches background processes, and then kills those processes as needed.
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Hi,
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10. Shell Programming and Scripting
Hi,
I have written a menu driven shell script in which as per the choice, I run the another script on background.
For eg:
1. get info
2)process info
3)modify info
All the operations have different scripts which i schedule in background using &.
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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 5.10 5 Jul 1990 shell(1F)