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Handle compress command error messages

  • 1.  Handle compress command error messages

    Posted Mon March 02, 2015 07:44 AM

    Originally posted by: nvarun


    I am working on production issue and unable to reproduce error message for compress command.

    Current Solution

    We have case-esac block in shell wrapper that handles messages as follows; 

    

case 
"$MSG" 
in 
 "This file is not changed; compression does not save space."
) 
    echo 
"$MSG"  
;;  
 *
unchanged
*) 
    echo 
"$MSG" 
      
 ;;  
*) 
    echo ERROR       
 ;;
esac

    Problem Scenario

    The compress command when called through wrapper (for some files) produces error message (let say, Type 1); 

    

-- 
file unchanged

    However, executing the same command (for same set of files) on command line produces different error message (let say, Type 2); 

    

This 
file is not changed
; 
compression does not save space
.

    Can someone help me understand this behavior? If possible, suggest reproducing Type 1 error message.

     


    #AIX-Forum


  • 2.  Re: Handle compress command error messages

    Posted Mon March 09, 2015 10:40 AM

    Originally posted by: Wouter Liefting


    It might just be me, but it looks like your case/esac block is badly formatted and has two default stanzas included.

     

    Try looking up the manual page for case/esac (part of the ksh manual page) and check out a few internet examples to see what a proper statement should look like.


    #AIX-Forum


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