awk loop issue Post: 302742043

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Top Forums Shell Programming and Scripting awk loop issue Post 302742043 by nsinha on Monday 10th of December 2012 12:19:46 PM

12-10-2012

Registered User

awk loop issue

Hi

I am not able to solve this minor issue even after a lot of trial! Will be thankful if you can help me out. This is part of a awk script and the loop is self-explanatory -

Code:

num_null_key=0			#for counting the number of null keys
num_non_null_key=0		#for counting the number of non null keys
while (key <= last_key)
{
        if ($key == "")
        {
                full_key = full_key " NULL"		#full_key will be concatenated
                if ($num_non_null_key == 0)	#this condition will be matched once
                	num_null_key++		#only when num_non_null_key=0
                printf("%d",num_null_key)
        }
        else
        {
                full_key = full_key " " key		#full_key will be concatenated
                num_non_null_key++		#so in the next loop the inner 'if' of the previous block will be tested
                non_null_key = non_null_key " " key #non_nulll_key will concatenated
                printf("%d",num_non_null_key)
        }
        key++
}

Suppose the complete key set is as follows - "12 " and so full_key should be "12 NULL NULL NULL NULL". But this is not happening. Also values of num_null_key and num_non_null_key are not getting populated correctly.

What is the actual mistake in my code?

Thanks in advance.

nsinha

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k5srvutil

K5SRVUTIL(1)						      General Commands Manual						      K5SRVUTIL(1)

NAME

       k5srvutil - host key table (keytab) manipulation utility

SYNOPSIS

       k5srvutil operation [ -i ] [ -f filename ]

DESCRIPTION

       k5srvutil allows a system manager to list or change keys currently in his keytab or to add new keys to the keytab.

       Operation must be one of the following:

       list	 lists the keys in a keytab showing version number and principal name.

       change	 changes  all  the keys in the keytab to new randomly-generated keys, updating the keys in the Kerberos server's database to match
		 by using the kadmin protocol.	If a key's version number doesn't match the version number stored in the Kerberos  server's  data-
		 base,	 then  the  operation  will fail.  The old keys are retained so that existing tickets continue to work.  If the -i flag is
		 given, k5srvutil will prompt for yes or no before changing each key.  If the -k option is used, the old and new keys will be dis-
		 played.

       delold	 Deletes keys that are not the most recent version from the keytab.  This operation should be used some time after a change opera-
		 tion to  remove old keys.  If the -i flag is used, then the program prompts the user whether the old keys  associated	with  each
		 principal should be removed.

       delete	 deletes particular keys in the keytab, interactively prompting for each key.

       In all cases, the default file used is /etc/krb5.keytab file
	unless this is overridden by the -f option.

       k5srvutil uses the kadmin program to edit the keytab in place.  However, old keys are retained, so they are available in case of failure.

SEE ALSO

       kadmin(8), ktutil(8)

																      K5SRVUTIL(1)

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