05-14-2010
OK.
Here's an example: I have a file that has 30 records. for the first time this file is processed, I will do "group by" for the records, it might remain only 10 records after that, and I will save the 10 records to an array. And then I want to process the original file(30 records) 10 times (once for each record that was saved in the first processing, each record is something like a parameter here.)
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GETDS(1p) User Contributed Perl Documentation GETDS(1p)
NAME
getds - Create a DS record from DNSKEYing information
SYNOPSIS
getds <domain>
DESCRIPTION
getds will create a DS record from DNSKEYs for the specified DNS domain. It does this by converting DNSKEYs to DS records using the
specified hashing algorithm. The results can then be passed to upstream DNSSEC-supporting parents or to DLV registries.
getds will also pull the parent's published DS records and compare them against the existing keys. It will then list any DS records not
published in the parent, as well as any DS records that are published in the parent but which don't match an existing key.
OPTIONS
getds takes the following options:
-a ALGORITHMS
--hash-algorithm algorithm ALGORITHMS
This option specifies the hash algorithm to use when converting DNSKEYs to DS records. It may be a comma-separated list if multiple
algorithms are desired. The algorithms to choose from may be either SHA256 or SHA1.
The default is SHA256,SHA1
-z
--print-zsks
This option causes getds to print ZSK DS records, as well as KSK records.
-p
--dont-check-parent
Instructs getds to not check the records in the parent for their published DS records.
-q
--quiet
Produces quiet output with no explanatory headers. In other words, it only prints the DS records generated from the DNSKEYs.
Note: Running with -q implies -p.
SECURITY CONSIDERATIONS
By default, getds pulls data from the live DNS. If your DNS resolver isn't configured so that this is pulled securely, then the results
can't be trusted.
COPYRIGHT
Copyright 2008-2012 SPARTA, Inc. All rights reserved. See the COPYING file included with the DNSSEC-Tools package for details.
AUTHOR
Wes Hardaker, hardaker AT AT AT users.sourceforge.net
perl v5.14.2 2012-06-21 GETDS(1p)