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Full Discussion: File updation on matching key
Top Forums UNIX for Dummies Questions & Answers File updation on matching key Post 302975172 by Don Cragun on Thursday 9th of June 2016 03:08:20 AM
Old 06-09-2016
Moderator's Comments:
Mod Comment This thread was split off from a post added into the middle of a discussion on a completely different topic. Please create a new thread when you want to discuss a new topic.

As has been requested many times before, PLEASE use CODE tags when displaying sample input, sample output, and code segments. Do not depend on forum moderators and administrators to clean up your posts for you (hoping that we will guess correctly on how your data should be formatted.

Your calculations seem to assume that there will always be exactly two lines with a given 3rd field value. Are these pairs of lines always adjacent (as in your sample input and output)? Can there be just one or more than two lines with a given 3rd field value (and, if so, should the division be by 2 or by the number of lines with that 3rd field value)?

Why are you printing ten fields to your output file when there are only nine input fields? This is adding a trailing space to each line of your output file that is not present in the sample output that you say you want???

Does the width of any of your input columns vary, or are the column widths for each column constant for files this script will process?
 

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LEARN ABOUT DEBIAN

k5identity

.K5LOGIN(5)							File Formats Manual						       .K5LOGIN(5)

NAME

       .k5identity - Kerberos V5 client principal selection rules

DESCRIPTION

       The  .k5identity  file,	which  resides in a user's home directory, contains a list of rules for selecting a client principals based on the
       server being accessed.  These rules are used to choose a credential cache within the cache collection when possible.

       Blank lines and lines beginning with '#' are ignored.  Each line has the form:

	      principal field=value ...

       If the server principal meets all of the field constraints, then principal is chosen as the client principal.   The  following  fields  are
       recognized:

       realm  If the realm of the server principal is known, it is matched against value, which may be a pattern using shell wildcards.  For host-
	      based server principals, the realm will generally only be known if there is a domain_realm section in krb5.conf with a  mapping  for
	      the hostname.

       service
	      If  the  server  principal  is  a host-based principal, its service component is matched against value, which may be a pattern using
	      shell wildcards.

       host   If the server principal is a host-based principal, its hostname component is converted to lower  case  and  matched  against  value,
	      which may be a pattern using shell wildcards.

       If  the	server	principal matches the constraints of multiple lines in the .k5identity file, the principal from the first matching line is
       used.  If no line matches, credentials will be selected some other way, such as the realm heuristic or the current primary cache.

EXAMPLE

       The following example .k5identity file selects the client principal alice@KRBTEST.COM if the server principal is  within  that  realm,  the
       principal  alice/root@EXAMPLE.COM if the server host is within a servers subdomain, and the principal alice/mail@EXAMPLE.COM when accessing
       the IMAP service on mail.example.com.

	      alice@KRBTEST.COM       realm=KRBTEST.COM
	      alice/root@EXAMPLE.COM  host=*.servers.example.com
	      alice/mail@EXAMPLE.COM  host=mail.example.com service=imap

SEE ALSO

       kerberos(1), krb5.conf(5)

																       .K5LOGIN(5)
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