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Top Forums Shell Programming and Scripting Help with print out line that have different record in specific column Post 302889780 by ahamed101 on Monday 24th of February 2014 12:16:00 AM
Old 02-24-2014
Thanks Don. I tested only with the OP data.

Updated

Code:
awk 'p && $1 != p{print v; print;p=v="";next}{p=$1;v=$0}'  infile



On a second thought, technically speaking the OP wanted the output whenever the sign changed.
In a parallel universe, that output would be still valid Smilie

--ahamed
This User Gave Thanks to ahamed101 For This Post:
 

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ldns(3) 						     Library Functions Manual							   ldns(3)

NAME
ldns_rr_print, ldns_rdf_print, ldns_pkt_print, ldns_rr_list_print, ldns_resolver_print, ldns_zone_print- SYNOPSIS
#include <stdint.h> #include <stdbool.h> #include <ldns/ldns.h> void ldns_rr_print(FILE *output, const ldns_rr *rr); void ldns_rdf_print(FILE *output, const ldns_rdf *rdf); void ldns_pkt_print(FILE *output, const ldns_pkt *pkt); void ldns_rr_list_print(FILE *output, const ldns_rr_list *list); void ldns_resolver_print(FILE *output, const ldns_resolver *r); void ldns_zone_print(FILE *output, const ldns_zone *z); DESCRIPTION
ldns_rr_print() Prints the data in the resource record to the given file stream (in presentation format) output: the file stream to print to rr: the resource record to print Returns void ldns_rdf_print() Prints the data in the rdata field to the given file stream (in presentation format) output: the file stream to print to rdf: the rdata field to print Returns void ldns_pkt_print() Prints the data in the DNS packet to the given file stream (in presentation format) output: the file stream to print to pkt: the packet to print Returns void ldns_rr_list_print() print a rr_list to output output: the fd to print to list: the rr_list to print ldns_resolver_print() Print a resolver (in sofar that is possible) state to output. output: the fd to print to r: the resolver to print ldns_zone_print() Print a zone structure * to output. Note the SOA record is included in this output output: the fd to print to z: the zone to print AUTHOR
The ldns team at NLnet Labs. Which consists out of Jelte Jansen and Miek Gieben. REPORTING BUGS
Please report bugs to ldns-team@nlnetlabs.nl or in our bugzilla at http://www.nlnetlabs.nl/bugs/index.html COPYRIGHT
Copyright (c) 2004 - 2006 NLnet Labs. Licensed under the BSD License. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. SEE ALSO
ldns_rr2str, ldns_rdf2str, ldns_pkt2str, ldns_rr_list2str, ldns_key2str. And perldoc Net::DNS, RFC1034, RFC1035, RFC4033, RFC4034 and RFC4035. REMARKS
This manpage was automaticly generated from the ldns source code by use of Doxygen and some perl. 30 May 2006 ldns(3)
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