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Shell Programming and Scripting
Parsing nsupdate's output
Post 302933292 by maverick72 on Thursday 29th of January 2015 07:22:16 AM
01-29-2015
Chubler: It works like a charm but i have to say i have a very hard time understanding the work flow.
Two functions and main loop.
First function is getfield which returns blank if it doesn't match string and pattern and exits the function with a substitute string of the string of the pattern it caught. You are probably using that to only get the pattern you want. Brillant
Second function splits the record into "lines" array using \n as a delimiter. Then sets up three variables (updt_line, oper and fail) using your first function. Three prints later you are checking the length of fail and if its not 0 sub YXRRSET on the fail chain for CNAME already exist... Else just print UPDATE SUCCEDED.
Main loop is searching for pattern at start of line "Outgoing update" but sets up procDNS function to A?.... then.... i'm lost Can you help me understand the last part?
Thanks!
Two functions and main loop.
First function is getfield which returns blank if it doesn't match string and pattern and exits the function with a substitute string of the string of the pattern it caught. You are probably using that to only get the pattern you want. Brillant
Second function splits the record into "lines" array using \n as a delimiter. Then sets up three variables (updt_line, oper and fail) using your first function. Three prints later you are checking the length of fail and if its not 0 sub YXRRSET on the fail chain for CNAME already exist... Else just print UPDATE SUCCEDED.
Main loop is searching for pattern at start of line "Outgoing update" but sets up procDNS function to A?.... then.... i'm lost
Can you help me understand the last part? Thanks!
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LEARN ABOUT SUSE
named-journalprint
NAMED-JOURNALPRINT(8) BIND9 NAMED-JOURNALPRINT(8) NAME
named-journalprint - print zone journal in human-readable form SYNOPSIS
named-journalprint {journal} DESCRIPTION
named-journalprint prints the contents of a zone journal file in a human-readable form. Journal files are automatically created by named when changes are made to dynamic zones (e.g., by nsupdate). They record each addition or deletion of a resource record, in binary format, allowing the changes to be re-applied to the zone when the server is restarted after a shutdown or crash. By default, the name of the journal file is formed by appending the extension .jnl to the name of the corresponding zone file. named-journalprint converts the contents of a given journal file into a human-readable text format. Each line begins with "add" or "del", to indicate whether the record was added or deleted, and continues with the resource record in master-file format. SEE ALSO
named(8), nsupdate(8), BIND 9 Administrator Reference Manual. AUTHOR
Internet Systems Consortium COPYRIGHT
Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") BIND9 Feb 18, 2009 NAMED-JOURNALPRINT(8)