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Full Discussion: file checking
Top Forums Shell Programming and Scripting file checking Post 302253859 by mohan705 on Sunday 2nd of November 2008 11:37:25 PM
Old 11-03-2008
file checking
Hi
I need to check the file,if file exist ,do some other opearations and make it successful.
If file does not exist skip all steaps,go to last step and make it succesful.below is scripts is working for file exist but its not working for file not exist

Code:
                                                                        
. $HOME/.profile								
                                                                           
if [ -r $Folder/log/restart_xxxE.txt ]          				
then									
		chmod 774 $Folder/log/restart_xxxE.txt                         
	. $Folder/log/restart_xxxE.txt				
else								restart_step_xxxE=0 							
fi				   					
if [ $restart_step_xxxE = 0 ] || [ $restart_step_xxxE = 20 ]			
then								
     if [ $restart_step_xxxE = 20 ]					
	  then							
		echo "Restarting Job from step 20..."				
     fi				   				
echo "restart_step_xxxE=20" > $Folder/log/restart_xxxE.txt			
   echo "export restart_step_xxxE" >> $Folder/log/restart_xxxE.txt
	
if [ ! -f $BDWStageFolder/userdata_hk/BM.DWPRD.HK.BSLASTCLS_APR.DAT]
 then 
 echo  "Job Executed Successfully"
fi
				
$Folder/jobs/readtrailer_count $BDWStageFolder/userdata_hk/BM.DWPRD.HK.BSLASTCLS_APR.DAT $BDWStageFolder/userdata_hk/BM.DWPRD.HK.BSLASTCLS_APR.TRAILER.DAT       						
	stat=$?                             					
                                       					
		if [ $stat -gt 0 ]						
	then								
		echo "restart_step_xxxE=20" > $Folder/log/restart_xxxE.txt		
   		echo "export restart_step_xxxE" >> $Folder/log/restart_xxxE.txt	
   		echo "STEP FAILED.PLEASE CHECK..." 		        
 			rm -f $Folder/log/JOB_xxx_EXTRACT.txt					
   		exit 1							
 		fi								
										
										
 rm -f $Folder/log/restart_xxxE.txt					
                             						
 rm -f $Folder/log/JOB_xxx_EXTRACT.txt						
                             						
 else                             						
  echo "Skipping step 20 ..."   
                          			
 fi     

step 30 --For check file counts ...
............




  TR: "Job Executed Successfully"                                                           
#*                                                                   *    
#*********************************************************************    
#*                                                                        
#*       STEP: 190    Message                                              
#*                                                                   *    
#*********************************************************************    
#*                                                                        
                                                                           
. $HOME/.profile								
                                                                           
if [ -r Folder/log/restart_xxxT.txt ]          				
then									
		chmod 774 Folder/log/restart_xxxT.txt                         
	. Folder/log/restart_xxxT.txt					
else									
	restart_step_xxxT=0 							
fi				   						
if [ $restart_step_xxxT = 0 ] || [ $restart_step_xxxT = 190 ]			
then									
     if [ $restart_step_xxxT = 190 ]						
	  then									
		echo "Restarting Job from step 190..."				
     fi				   					
echo "restart_step_xxxT=190" > Folder/log/restart_xxxT.txt			
   echo "export restart_step_xxxT" >> Folder/log/restart_xxxT.txt	
										
										
   		echo  "Job Executed Successfully"


Thanks and Regards,
MR
 

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LEARN ABOUT DEBIAN

email::folder::mbox

Email::Folder::Mbox(3pm)				User Contributed Perl Documentation				  Email::Folder::Mbox(3pm)

NAME

       Email::Folder::Mbox - reads raw RFC822 mails from an mbox file

SYNOPSIS

       This isa Email::Folder::Reader - read about its API there.

DESCRIPTION

       Does exactly what it says on the tin - fetches raw RFC822 mails from an mbox.

       The mbox format is described at http://www.qmail.org/man/man5/mbox.html

       We attempt to read an mbox as through it's the mboxcl2 variant, falling back to regular mbox mode if there is no "Content-Length" header to
       be found.

   OPTIONS
       The new constructor takes extra options.

       "eol"
	   This indicates what the line-ending style is to be.	The default is "
", but for handling files with mac line-endings you would want
	   to specify "eol => "x0d""

       "jwz_From_"
	   The value is taken as a boolean that governs what is used match as a message seperator.

	   If false we use the mutt style

	    /^From S+s+(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun)/
	    /^From (?:Mon|Tue|Wed|Thu|Fri|Sat|Sun)/;

	   If true we use

	    /^From /

	   In deference to this extract from <http://www.jwz.org/doc/content-length.html>

	    Essentially the only safe way to parse that file format is to
	    consider all lines which begin with the characters ``From ''
	    (From-space), which are preceded by a blank line or
	    beginning-of-file, to be the division between messages.  That is, the
	    delimiter is "

From .*
" except for the very first message in the
	    file, where it is "^From .*
".

	    Some people will tell you that you should do stricter parsing on
	    those lines: check for user names and dates and so on.  They are
	    wrong.  The random crap that has traditionally been dumped into that
	    line is without bound; comparing the first five characters is the
	    only safe and portable thing to do. Usually, but not always, the next
	    token on the line after ``From '' will be a user-id, or email
	    address, or UUCP path, and usually the next thing on the line will be
	    a date specification, in some format, and usually there's nothing
	    after that.  But you can't rely on any of this.

	   Defaults to false.

       "seek_to"
	   Seek to an offset when opening the mbox.  When used in combination with ->tell you may be able to resume reading, with a trailing wind.

       "tell"
	   This returns the current filehandle position in the mbox.

AUTHORS

       Simon Wistow <simon@thegestalt.org>

       Richard Clamp <richardc@unixbeard.net>

COPYING

       Copyright 2003, Simon Wistow

       Distributed under the same terms as Perl itself.

       This software is under no warranty and will probably ruin your life, kill your friends, burn your house and bring about the apocolapyse.

SEE ALSO

       Email::LocalDelivery, Email::Folder

perl v5.10.0							    2009-07-27						  Email::Folder::Mbox(3pm)
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