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Top Forums Shell Programming and Scripting awk Group By and count string occurrences Post 302841835 by Jotne on Thursday 8th of August 2013 04:22:32 AM
Old 08-08-2013
Code:
awk -F, '
$4~/CLICK/ {a[$1","$2","$3]++}
$4~/CONV/ {b[$1","$2","$3]++} 
END {for (i in a) print i","a[i]+0"," b[i]+0}'

Here we use array to count the number of hits.
One array for CLICK and one for CONV
using $1","$2","$3 as index will name array like a[a,b,c]
This creates one unique array for every different combination of $1,$2,$3
Then it adds up how many it finds by using the ++
a[a,b,c]++ equal a[a,b,c]=a[a,b,c]+1

END {for (i in a) print i","a[i]+0"," b[i]+0}'
This line will run once fore every unique combination of $1,$2,$3
In this case 3 times. Then it prints the value of the array.

Do a search in awk array
 

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GREP(1) 						      General Commands Manual							   GREP(1)

NAME
grep - search a file for lines containing a given pattern SYNOPSIS
grep [-elnsv] pattern [file] ... OPTIONS
-e -e pattern is the same as pattern -c Print a count of lines matched -i Ignore case -l Print file names, no lines -n Print line numbers -s Status only, no printed output -v Select lines that do not match EXAMPLES
grep mouse file # Find lines in file containing mouse grep [0-9] file # Print lines containing a digit DESCRIPTION
Grep searches one or more files (by default, stdin) and selects out all the lines that match the pattern. All the regular expressions accepted by ed and mined are allowed. In addition, + can be used instead of * to mean 1 or more occurrences, ? can be used to mean 0 or 1 occurrences, and | can be used between two regular expressions to mean either one of them. Parentheses can be used for grouping. If a match is found, exit status 0 is returned. If no match is found, exit status 1 is returned. If an error is detected, exit status 2 is returned. SEE ALSO
cgrep(1), fgrep(1), sed(1), awk(9). GREP(1)

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