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Top Forums Shell Programming and Scripting Delete records in reverse order Post 302834077 by Yoda on Thursday 18th of July 2013 10:42:39 AM
Old 07-18-2013
Try something like:
Code:
awk '
        !/^#/ {
                A[++c] = $0
        }
        /^#/ {
                print "Record: " ++n
                for ( i = 1; i <= c; i++ )
                {
                        print A[i]
                }
                print $0
                split ( "", A )
                c = 0
        }
' file

This User Gave Thanks to Yoda For This Post:
 

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Mail::SPF::v2::Record(3)				User Contributed Perl Documentation				  Mail::SPF::v2::Record(3)

NAME
Mail::SPF::v2::Record - Sender ID ("spf2.0") record class SYNOPSIS
See Mail::SPF::Record. DESCRIPTION
An object of class Mail::SPF::v2::Record represents a Sender ID ("spf2.0") record. Constructors The following constructors are provided: new(%options): returns Mail::SPF::v2::Record Creates a new Sender ID ("spf2.0") record object. %options is a list of key/value pairs representing any of the following options: text terms global_mods See "new" in Mail::SPF::Record. scopes Required. See "new" in Mail::SPF::Record. The 'mfrom' and 'pra' scopes are supported. There is no default. new_from_string($text, %options): returns Mail::SPF::v2::Record; throws Mail::SPF::ENothingToParse, Mail::SPF::EInvalidRecordVersion, Mail::SPF::ESyntaxError Creates a new Sender ID ("spf2.0") record object by parsing the string and any options given. Class methods The following class methods are provided: version_tag_pattern: returns Regexp Returns a regular expression that matches a version tag of 'spf2.0/' plus a comma-separated list of any of the 'mfrom' and 'pra' scopes. The following are valid version tags: spf2.0/mfrom spf2.0/pra spf2.0/mfrom,pra spf2.0/pra,mfrom default_qualifier results_by_qualifier See "Class methods" in Mail::SPF::Record. Instance methods The following instance methods are provided: text scopes terms global_mods global_mod stringify eval See "Instance methods" in Mail::SPF::Record. version_tag: returns string Returns 'spf2.0/' plus a comma-separated list of the scopes of the record. See "version_tag_pattern" for a list of possible return values. SEE ALSO
Mail::SPF, Mail::SPF::Record, Mail::SPF::Term, Mail::SPF::Mech, Mail::SPF::Mod <http://tools.ietf.org/html/rfc4408> For availability, support, and license information, see the README file included with Mail::SPF. AUTHORS
Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org> perl v5.18.2 2017-10-06 Mail::SPF::v2::Record(3)
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