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Full Discussion: Permissions script
Top Forums Shell Programming and Scripting Permissions script Post 302385838 by user_invalid on Sunday 10th of January 2010 08:46:46 AM
Old 01-10-2010
Thank you very much, that works great now.
One more question, I don't quite understand why this line is used:
Code:
 echo $owner | grep ${perm} > /dev/null

Why are curly brackets used and why is the output directed to /dev/null ?

Last edited by user_invalid; 01-10-2010 at 09:52 AM..
 

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service(8)						      System Manager's Manual							service(8)

NAME
service - run a System V init script SYNOPSIS
service SCRIPT COMMAND [OPTIONS] service --status-all service --help | -h | --version DESCRIPTION
service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working directory set to /. The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT. The supported values of COMMAND depend on the invoked script, service passes COMMAND and OPTIONS it to the init script unmodified. All scripts should support at least the start and stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start command. service --status-all runs all init scripts, in alphabetical order, with the status command. EXIT CODES
service calls the init script and returns the status returned by it. FILES
/etc/init.d The directory containing System V init scripts. ENVIRONMENT
LANG, TERM The only environment variables passed to the init scripts. SEE ALSO
/etc/init.d/skeleton, update-rc.d(8), init(8), invoke-rc.d(8). Jan 2006 service(8)
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