Unique sort with two fields Post: 302517134

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Sort and Unique in Perl

Hi, May I know, if a pipe separated File is large, what is the best method to calculate the unique row count of 3rd column and get a list of unique value of the 3rdcolum? Thanks in advance!

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Perl sort unique by one field only

Hi all, I've searched the forum and I can find some code to sort uniquely in perl but not by a single field. I have a file with data such as the following: 1,test,34 1,test2,65 2,test,35, 1,test3,34 2,test,34 What i want to do is sort it uniqely by the first field only so I'd end...

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What some ideas with sort and get unique data

Hi all, I am writing a script where i can parse through the directory and get common string in two directories i get. The command below SUN_PLATFORM=`$FIND $STREAM_PATH . -depth -name ShareableEntities | $AWK -F"/" '{if($10 ~ /sun5/) print $0}'` gives the following output:- ...

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Unique sort with three fields

I have another file with three columns A,B,C as below 123,1,502 123,2,506 123,3,702 234,4,101 235,5,104 456,6,104 456,7,100 i want to sort such that i get a unique value in column A, and for those with multiple value in A, i want the lowest value in C. output should be Code:...

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Sort unique by multiple fields

i need to sort to get all the unique records based on the 1st and 2nd column, and keep the record with the highest value on 5th column if there are duplicates, every column with varies length a^2^x^y^z bxc^2xx2^aa^bvxxxx^cdd a^3^1^2^3 a^2^x^1^c I want a result which will only keep the 1st...

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Hi I have a file as below <field1> <field2> <field3> ... <field_num1> <field_num2> Trying to sort based on difference of <field_num1> and <field_num2> in desceding order and print all fields. I tried this and it doesn't sort on the difference field .. Appreciate your help. cat...

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Sort unique

Hi, I have an input file that I have sorted in a previous stage by $1 and $4. I now need something that will take the first record from each group of data based on the key being $1 Input file 1000AAA|"ZZZ"|"Date"|"1"|"Y"|"ABC"|""|AA 1000AAA|"ZZZ"|"Date"|"2"|"Y"|"ABC"|""|AA...

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LEARN ABOUT OSX

fddist

fddist(1m)							   USER COMMANDS							fddist(1m)

NAME

       fddist - file descriptor usage distributions. Uses DTrace.

SYNOPSIS

       fddist [-r|-w]

DESCRIPTION

       This  prints  distributions for read and write events by file descriptor, by process. This can be used to determine which file descriptor a
       process is doing the most I/O with.

       Since this uses DTrace, only users with root privileges can run this command.

OPTIONS

       -r     reads only

       -w     writes only

EXAMPLES

       Sample both read and write activity,
	      # fddist

       Sample reads only,
	      # fddist -r

FIELDS

       EXEC   process name

       PID    process ID

       value  file descriptor

       count  number of events

BASED ON

       /usr/demo/dtrace/lquantize.d

DOCUMENTATION

       DTrace Guide "Aggregations" chapter (docs.sun.com)

       See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver-
       bose descriptions explaining the output.

EXIT

       fddist will sample until Ctrl-C is hit.

SEE ALSO

       dtrace(1M)

version 0.70							   Jun 08, 2005 							fddist(1m)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Sort and Unique in Perl

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Perl sort unique by one field only

Discussion started by: Donkey25

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What some ideas with sort and get unique data

Discussion started by: asirohi

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Awk sort and unique

Discussion started by: greycells