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Full Discussion: Extract and exclude rows based on duplicate values
Top Forums Shell Programming and Scripting Extract and exclude rows based on duplicate values Post 303000146 by CHoggarth on Wednesday 5th of July 2017 07:30:25 AM
Old 07-05-2017
Extract and exclude rows based on duplicate values
Hello

I have a file like this:

Code:
> cat examplefile
ghi|NN603762|eee
mno|NN607265|ttt
pqr|NN613879|yyy
stu|NN615002|uuu
jkl|NN607265|rrr
vwx|NN615002|iii
yzA|NN618555|ooo
def|NN190486|www
BCD|NN628717|ppp
abc|NN190486|qqq
EFG|NN628717|aaa
HIJ|NN628717|sss
>

I can sort the file by the second field like this:

Code:
> sort -t\| +1 examplefile
abc|NN190486|qqq
def|NN190486|www
ghi|NN603762|eee
jkl|NN607265|rrr
mno|NN607265|ttt
pqr|NN613879|yyy
vwx|NN615002|iii
stu|NN615002|uuu
yzA|NN618555|ooo
EFG|NN628717|aaa
BCD|NN628717|ppp
HIJ|NN628717|sss
>

But how can I also extract *only* the records where field 2 is duplicated & also *only* where field 2 isn't duplicated?

So I want to get these 2 separate outputs:

duplicated rows:

Code:
abc|NN190486|qqq
def|NN190486|www
jkl|NN607265|rrr
mno|NN607265|ttt
vwx|NN615002|iii
stu|NN615002|uuu
EFG|NN628717|aaa
BCD|NN628717|ppp
HIJ|NN628717|sss

non-duplicated rows:

Code:
ghi|NN603762|eee
pqr|NN613879|yyy
yzA|NN618555|ooo

I've seen some discussions where uniq -D is suggested but that flag isn't available on my version of uniq (I'm working on Solaris). I suspect that something clever can be done with awk to solve this but I'm afraid that's beyond me.

Any advice appreciated.

Chris
 

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LEARN ABOUT DEBIAN

ecaccess-event-grant

ECACCESS-EVENT-GRANT(1p)				User Contributed Perl Documentation				  ECACCESS-EVENT-GRANT(1p)

NAME

       ecaccess-event-grant - Grant usage of an ECaccess Event

SYNOPSIS

       ecaccess-event-grant -version|-help|-manual

       ecaccess-event-grant [-debug] [-subscribe] [-notify] event-id user-list

DESCRIPTION

       Allow managing the Event permissions for a list of user(s).

       The permissions can be either subscribe, notify, both or none. In order to remove permissions to an Event for a list of users use this
       command with no -subscribe and -notify options.

ARGUMENTS

       event-id
	       The identifier of the Event to grant.

       user-list
	       The user(s) to give/remove the permissions. Multiple users should be separated by a column (e.g. abc,def).

OPTIONS

       -subscribe
	       The user(s) specified in the user-list will be allowed to subscribe to the event-id (e.g. with the -eventIds option of the
	       ecaccess-job-submit command).

       -notify The user(s) specified in the user-list will be allowed to send notifications to the event-id (e.g. with the ecaccess-event-send
	       command).

       -version
	       Display version number and exits.

       -help   Print a brief help message and exits.

       -manual Prints the manual page and exits.

       -debug  Display the SOAP messages exchanged.

EXAMPLES

       ecaccess-event-grant -subscribe 167 abc,def,jhi

       Allow the users abc, def and jhi to subscribe to this Event.

       ecaccess-event-grant 167 jkl

       Remove all rights to the Event for the user jkl.

SEE ALSO

       ecaccess-event-clear, ecaccess-event-delete, ecaccess-event-send, ecaccess-event-list, ecaccess-event-create and ecaccess.

perl v5.14.2							    2012-04-16						  ECACCESS-EVENT-GRANT(1p)
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