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Full Discussion: Remove Duplicates on multiple Key Columns and get the Latest Record from Date/Time Column
Top Forums Shell Programming and Scripting Remove Duplicates on multiple Key Columns and get the Latest Record from Date/Time Column Post 302799165 by vijaykodukula on Friday 26th of April 2013 12:03:23 AM
Old 04-26-2013
Hi Don,

We have multiple files .Each file has different layout and has its own awk command to identify the fields for the Key columns.This is one sample.

Advance thanks a lot for the help.

we are using this for one of the sample file.

sort -r -t'|' -k1 "sample.txt"|awk '!x[$2,$4,$5]++' FS='|'|sort -t'|' -k2

Regards
 

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LEARN ABOUT DEBIAN

__gnu_pbds::basic_branch

__gnu_pbds::basic_branch< Key, Mapped, Tag, Node_Update, Policy___gnu_pbds::basic_branch< Key, Mapped, Tag, Node_Update, Policy_Tl, _Alloc >(3cxx)

NAME

       __gnu_pbds::basic_branch< Key, Mapped, Tag, Node_Update, Policy_Tl, _Alloc > -

SYNOPSIS

       Inherits type< Key, Mapped, _Alloc, Tag, Policy_Tl >.

   Public Types
       typedef Node_Update node_update

   Protected Member Functions
       basic_branch (const basic_branch &other)
       template<typename T0 > basic_branch (T0 t0)
       template<typename T0 , typename T1 > basic_branch (T0 t0, T1 t1)
       template<typename T0 , typename T1 , typename T2 > basic_branch (T0 t0, T1 t1, T2 t2)
       template<typename T0 , typename T1 , typename T2 , typename T3 > basic_branch (T0 t0, T1 t1, T2 t2, T3 t3)
       template<typename T0 , typename T1 , typename T2 , typename T3 , typename T4 > basic_branch (T0 t0, T1 t1, T2 t2, T3 t3, T4 t4)
       template<typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 > basic_branch (T0 t0, T1 t1, T2 t2, T3 t3, T4
	   t4, T5 t5)
       template<typename T0 , typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 > basic_branch (T0 t0, T1 t1, T2
	   t2, T3 t3, T4 t4, T5 t5, T6 t6)

Detailed Description
   template<typename Key, typename Mapped, typename Tag, typename Node_Update, typename Policy_Tl, typename _Alloc>class __gnu_pbds::basic_branch<
       Key, Mapped, Tag, Node_Update, Policy_Tl, _Alloc >
       A branched, tree-like (tree, trie) container abstraction.

       Template Parameters:
	   Key Key type.
	   Mapped Map type.
	   Tag Instantiating data structure type, see container_tag.
	   Node_Update Updates nodes, restores invariants.
	   Policy_TL Policy typelist.
	   _Alloc Allocator type.

       Base is dispatched at compile time via Tag, from the following choices: tree_tag, trie_tag, and their descendants.

       Base choices are: detail::ov_tree_map, detail::rb_tree_map, detail::splay_tree_map, and detail::pat_trie_map.

       Definition at line 555 of file assoc_container.hpp.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							__gnu_pbds::basic_branch< Key, Mapped, Tag, Node_Update, Policy_Tl, _Alloc >(3cxx)
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