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Full Discussion: Take action if a particular file appears in a directory
Top Forums Shell Programming and Scripting Take action if a particular file appears in a directory Post 302324128 by Yogesh Sawant on Wednesday 10th of June 2009 03:47:57 AM
Old 06-10-2009
to run your script every 5 minutes, you need to schedule a cron job, see - https://www.unix.com/answers-frequent...n-crontab.html

the script would be something like:
Code:
file_to_check="/tmp/newfile"
backup_dir="/foo/"
another_script="/foo/bar"
if [ -e $file_to_check ] ; then
# Check if file exists
  mv $file_to_check $file_to_check.backup    # Rename the file
  mv $file_to_check.backup $backup_dir       # And move it to a backup dir
  another_script   # Run another script
fi

 

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LEARN ABOUT DEBIAN

nisbackup

nisbackup(1M)						  System Administration Commands					     nisbackup(1M)

NAME

       nisbackup - backup NIS+ directories

SYNOPSIS

       nisbackup [-v] backup-dir directory...

       nisbackup [-v] -a backup-dir

DESCRIPTION

       nisbackup  backs  up a NIS+ directory object on a NIS+ master server. Updates to the NIS+ database will be temporarily disabled while  nis-
       backup is running.  The	backup-dir is a UNIX directory that must exist prior to running  nisbackup. The  nisbackup command can be used	to
       backup  an  individual  NIS+  directory	object	or  all ( -a) of the NIS+ directory objects served by a master server.	The NIS+ directory
       objects being backed up will be placed into subdirectories under the  backup-dir directory.  These subdirectories are  named  according	to
       the  NIS+  directory  object  they contain.  nisbackup operates on individual NIS+ directory objects  (for example,  org_dir.wiz.com). This
       allows an administrator to selectively backup specific directories.

       The  rpc.nisd(1M) process must be running on the master server with a stable NIS+ database for  nisbackup to complete. nisbackup  will  not
       attempt	to  correct any corruption in the NIS+ database, so it is important that backups be done regularly as part of the NIS+ administra-
       tion.

       The first synopsis is used to backup a single NIS+ directory object or a list of NIS+ directory objects. The objects can be partially qual-
       ified or fully qualified. The machine on which the command is executing must be the master for the NIS+ directory objects specified.

       The  second synopsis will backup all of the NIS+ directory objects that are served by this master. The  -a option is the recommended method
       of backing up a master server,  since it will backup all NIS+ directory objects that are served by  this master. If this server is a master
       server for more than one domain, the backup will include NIS+ directories that belong to all of the domains served.  Individual NIS+ direc-
       tory objects can be selected for restoring from a  backup-dir created with the  -a option. See  nisrestore(1M).

       The  -a option only includes directory objects for which this server is the master. It is possible, but not  recommended,  to  configure  a
       master  server as a replica for other domains. The objects belonging to those replicated domains will not be backed up with the	-a option.
       The backup of replicated objects must be run on the master server for those objects.

       Do not use the same  backup-dir to backup different master servers. Each master server must have its own  backup-dir.

       nisbackup will set the  rpc.nisd(1M) to read only mode, which will disable updates to the NIS+ database.  This is neccessary to ensure  the
       consistency of the backup.  For this reason, nisbackup should not be run while large numbers of updates are being applied to the NIS+ data-
       base. Update utilities such as  nisaddent(1M) should not be run simultaneously with nisbackup.

OPTIONS

       -a	Creates a backup of all NIS+ directory objects for which this server is a  master.

       -v	Verbose option. Additional output will be produced and sent to syslog(3C) upon execution of the command (see  syslog.conf(4)).

OPERANDS

       backup-dir      The directory into which the subdirectories containing the backed up objects  are placed. This must  be	created  prior	to
		       running	nisbackup.

       directory       The NIS+ directory object(s) being backed up.

EXAMPLES

       Example 1: Backup of the  org_dir NIS+ directory object of the domain  foo.com on a master server to a directory named  /backup

       To backup the  org_dir NIS+ directory object of the domain  foo.com on a master server to a directory named  /backup:

       master_server# nisbackup /backup org_dir.foo.com.

       Example 2: Backup of the entire NIS+ domain  foo.com to a directory named  /backup

       To backup the entire NIS+ domain  foo.com to a directory named  /backup:

       master_server# nisbackup /backup foo.com. 
		     org_dir.foo.com. groups_dir.foo.com. 
		     ctx_dir.foo.com.

       Example 3: Backup of an entire NIS+ database to a backup directory named /backup

       To backup an entire NIS+ database to a backup directory named /backup:

       master_server# nisbackup -a /backup

EXIT STATUS

       0	Successful completion.

       1	An error occurred.

FILES

       /backup-dir/backup_list

	   This ascii file contains a list of all the objects contained in this  backup-dir directory.

       /backup-dir/directory-object

	   A subdirectory that is created in the  backup-dir that contains the NIS+ directory-object backup.

       /backup-dir/directory-object/data

	   A subdirectory that contains the data files that are part of the  NIS+ directory-object backup.

       /backup-dir/directory-object/last.upd

	   This data file contains timestamp information about the directory-object.

       /backup-dir/directory-object/data.dict

	   A NIS+ data dictionary for all of the objects contained in the NIS+	 directory-object backup.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWnisu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       nis+(1), nisdefaults(1), nisrm(1), nisrestore(1M), rpc.nisd(1M),  syslog(3C), nisfiles(4), syslog.conf(4), attributes(5)

NOTES

       NIS+  might  not  be  supported in future releases of the SolarisTM Operating Environment. Tools to aid the migration from NIS+ to LDAP are
       available in the Solaris 9 operating environment. For more information, visit http://www.sun.com/directory/nisplus/transition.html.

SunOS 5.10							    12 Dec 2001 						     nisbackup(1M)
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