Prevent file from being mailed multiple times from a job Post: 302096216

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Top Forums Shell Programming and Scripting Prevent file from being mailed multiple times from a job Post 302096216 by Sree_2503 on Tuesday 14th of November 2006 11:47:18 AM

11-14-2006

Registered User

Hi,

Thanks RTM. This seems to be the best solution so far. I have designed the flow of the algorithm based on this solution - here it goes -

Code:

--*******************************************--
| Non-Repeating Mailing Logic in the program: |
--*******************************************--

---------------------------------------------------------
|BEGIN PROCESSING BLOCK:				|
---------------------------------------------------------


Check for existence of File A_Old created on the previous day.
 
 If File A_Old was created on the previous day, then
 
    Remove File A_Old.
 
 Else, 

1. Create File A.

If File A > 0 bytes, then

   2. Check whether File A_Old exists or not.
   
   If File A_Old does not exist, then     -- (this implies this is the first time mailing process)
   
   2a(i). Copy File A to File A_Old.
   2a(ii). Mail File A to the users.
   2a(iii). Remove File A.
   
   If File A_Old does exist, then      -- (this implies we might have already mailed the Rejects file)
   
   2b. Compare File A with File A_Old.
   
       If both the files are the same, then
       
       2b(i). Skip Mailing process.
       
       If the files are different, then
       
       2b(ii). Copy File A to File A_Old.
       2b(iii).Mail File A.
       2b(iv). Remove File A.

If File A = 0 bytes, then

   Skip entire mailing process.
   
---------------------------------------------------------
|END PROCESSING BLOCK:					|
---------------------------------------------------------

However, for this to go right, I need to know how can I find whether a file is created on the previous day or not(i.e in any way can the file creation timestamp be retrieved and comapared against the current date), if the timestamp is of the last day, then I would be deleting the old file, otherwise retain it.

Thanks again, RTM .

-
Sree

Sree_2503

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LEARN ABOUT SUNOS

times

times(1)							   User Commands							  times(1)

NAME

       times - shell built-in function to report time usages of the current shell

SYNOPSIS

   sh
       times

   ksh
       times

DESCRIPTION

   sh
       Print the accumulated user and system times for processes run from the shell.

   ksh
       Print the accumulated user and system times for the shell and for processes run from the shell.

       On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:

       1.  Variable assignment lists preceding the command remain in effect when the command completes.

       2.  I/O redirections are processed after variable assignments.

       3.  Errors cause a script that contains them to abort.

       4.  Words,  following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari-
	   able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation  are  not
	   performed.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       ksh(1), sh(1), time(1), attributes(5)

SunOS 5.10							    15 Apr 1994 							  times(1)

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