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Full Discussion: Merging 2 text files when there is a common time stamp column in them
Top Forums Shell Programming and Scripting Merging 2 text files when there is a common time stamp column in them Post 302798701 by ks_reddy on Thursday 25th of April 2013 04:34:11 AM
Old 04-25-2013
My Required output
Hi Hanson,

Find below my input and output formats.
The input files are actually comma separated files and also instead of blank words I need comma(,) s.

File1
Code:
Date_Time, Context,D1,D2  
04/19/2013_23:48:54.819,ABCD,x,x  
04/19/2013_23:48:55.307,ABCD,x,x  
04/19/2013_23:48:55.823,ABCD,x,x  
04/19/2013_23:48:56.309,ABCD,x,x

File2

Code:
Date_Time,Context,D3,D4  
04/19/2013_23:48:54.819 , ABCD , y, y  
04/19/2013_23:48:55.821,  ABCD, y , y  
04/19/2013_23:48:56.799, ABCD, y , y
 04/19/2013_23:48:57.819, ABCD,y, y

Required Output

Code:
Date_Time, Context, D1,D2, D3, D4 
04/19/2013_23:48:54.819 , ABCD ,  x , x, ,
04/19/2013_23:48:54.819 , ABCD ,  , , y , y 
04/19/2013_23:48:55.307 , ABCD ,  x , x , , 
04/19/2013_23:48:55.821 , ABCD ,  ,  ,  y , y 
04/19/2013_23:48:55.823 , ABCD ,  x ,x ,, 
04/19/2013_23:48:56.309 , ABCD ,  x, x ,, 
04/19/2013_23:48:56.799 , ABCD ,  ,  ,  y , y 
04/19/2013_23:48:57.819 , ABCD ,  , ,   y , y

Also as I mentioned already I have many context columns and also many data columns.
Hope now it is clear.
Last edited by ks_reddy; 04-25-2013 at 06:34 AM.. Reason: Formatted input and output files
 

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LEARN ABOUT OSX

memberd

dsmemberutil(1) 					    BSD General Commands Manual 					   dsmemberutil(1)

NAME

     dsmemberutil -- various operations for the membership APIs, including state dump, check memberships, UUIDs, etc.

SYNOPSIS

     dsmemberutil [-v] [-h] command [options]

DESCRIPTION

     dsmemberutil is a program that implements the membership API calls in a command line utility.

FLAGS

     A list of flags and their descriptions:

     -h      Lists the options for calling dsmemberutil

     -v      Causes dsmemberutil to operate in verbose mode.

COMMANDS

     The action of each command is described below:

     getuuid -ugUGsS value
		 Takes any of the options and returns the associated UUID.

     getid -UGsSX value
		 Takes any of the options and returns the associated UID or GID depending on option provided.

     getsid -ugUGX value
		 Takes any of the options and returns the associated SID.

     checkmembership -uUxs param -gGXS param
		 Returns if a user or group with the associated option is a member of the group.

     flushcache  Flushes the current membership cache.

     Legacy commands such as dumpstate and statistics are gone. See odutil(1) for show cache and statistics operations.

     A list of options available. In some cases -xX and -sS can be used synonymously due to nature of the value.

     -u uid	      Using user with UID

     -U name	      Using user with name

     -s sid	      Using user with SID

     -x uuid	      Using user with UUID

     -g gid	      Using group with GID

     -G name	      Using group with name

     -S sid	      Using group with SID

     -X uuid	      Using group with UUID

EXAMPLES

     Get a user's uuid:
		    % dsmemberutil getuuid -u 501
		    EEA4F2F6-B268-49E7-9C6F-E3C4A37DA4FD

     Get a group's uuid
		    % dsmemberutil getuuid -g 0
		    ABCDEFAB-CDEF-ABCD-EFAB-CDEF00000000

     Get a user's or group's id from a uuid
		    % dsmemberutil getid -X ABCDEFAB-CDEF-ABCD-EFAB-CDEF0000000C
		    gid: 12

     Check a user's membership in a group (using UID and GID)
		    % dsmemberutil checkmembership -u 501 -g 0
		    user is not a member of the group

     Check a user's membership in a group (using names)
		    % dsmemberutil checkmembership -U root -G wheel
		    user is a member of the group

SEE ALSO

     odutil(1), dseditgroup(1), dscacheutil(1)

Darwin								    Jan 1, 2007 							    Darwin
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