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Full Discussion: computing go/no-go dates in script
Top Forums Shell Programming and Scripting computing go/no-go dates in script Post 302069133 by blowtorch on Wednesday 22nd of March 2006 10:29:42 PM
Old 03-22-2006
If I am not wrong, you just have to determine if the date is one on which an interval backup is to be taken. You could use something like this:
Code:
#!/usr/bin/ksh
d=$(date +%d)

if [ $(($LEVEL0 - $INTERVAL)) -eq $d -o $(($LEVEL0 + $INTERVAL)) -eq $d ]; then
#### take backup here
fi

This bit will just check that it is a day on which you take the intermediate backup. For a level 0 backup, you can just check if the day of the month is the same as the LEVEL0 value.
 

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LEARN ABOUT XFREE86

backup_help

BACKUP_HELP(8)						       AFS Command Reference						    BACKUP_HELP(8)

NAME
       backup_help - Displays help for backup commands

SYNOPSIS
       backup help [-topic <help string>+] [-admin] [-help]

       backup h [-t <help string>+] [-a] [-h]

DESCRIPTION
       The backup help command displays the complete online help entry (short description and syntax statement) for each operation code specified
       by the -topic argument. If the -topic argument is omitted, the output includes the first line (name and short description) of the online
       help entry for every backup command.

       To list every backup command whose name or short description includes a specified keyword, use the backup apropos command.

OPTIONS
       -topic <help string>+
	   Indicates each command for which to display the complete online help entry. Omit the backup part of the command name, providing only
	   the operation code (for example, specify dump, not backup dump). If this argument is omitted, the output briefly describes every backup
	   command.

       -help
	   Prints the online help for this command. All other valid options are ignored.

OUTPUT
       The online help entry for each backup command consists of the following two or three lines:

       o   The first line names the command and briefly describes its function.

       o   The second line lists aliases for the command, if any.

       o   The final line, which begins with the string "Usage", lists the command's options in the prescribed order. Online help entries use the
	   same symbols (for example, brackets) as the reference pages in this document.

EXAMPLES
       The following example displays the online help entry for the backup dump command:

	  % backup help dump
	  backup dump: start dump
	  Usage: backup dump -volumeset <volume set name> -dump <dump level name>
	  [-portoffset <TC port offset>]  [-at <Date/time to start dump>+]
	  [-append]  [-n]  [-file <load file>]	[-help]

PRIVILEGE REQUIRED
       None

SEE ALSO
       backup(8), backup_apropos(8)

COPYRIGHT
       IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.

       This documentation is covered by the IBM Public License Version 1.0.  It was converted from HTML to POD by software written by Chas
       Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.

OpenAFS 							    2012-03-26							    BACKUP_HELP(8)
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