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Top Forums Shell Programming and Scripting Calculating average from files Post 302960733 by summer_cherry on Thursday 19th of November 2015 04:13:02 AM
Old 11-19-2015
Code:
awk 'BEGIN{
FS="[ ]+"
}
{
arr[$1]+=$5
brr[$1]+=1
}
END{
	for(i in arr){
		avg=arr[i]/brr[i]
		print i,avg
	}
}' a b

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Last edited by Don Cragun; 11-19-2015 at 06:05 PM.. Reason: ADD CODE tags again!
 

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COLLATOR_SORT_WITH_SORT_KEYS(3) 					 1					   COLLATOR_SORT_WITH_SORT_KEYS(3)

Collator::sortWithSortKeys - Sort array using specified collator and sort keys

	Object oriented style

SYNOPSIS
public bool Collator::sortWithSortKeys (array &$arr) DESCRIPTION
Procedural style bool collator_sort_with_sort_keys (Collator $coll, array &$arr) Similar to collator_sort(3) but uses ICU sorting keys produced by ucol_getSortKey() to gain more speed on large arrays. PARAMETERS
o $coll -Collator object. o $arr -Array of strings to sort RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 collator_sort_with_sort_keys(3) example <?php $arr = array( 'Kopfe', 'Kypper', 'Kopfe' ); $coll = collator_create( 'sv' ); collator_sort_with_sort_keys( $coll, $arr ); var_export( $arr ); ?> The above example will output: array ( 0 => 'Kopfe', 1 => 'Kypper', 2 => 'Kopfe', ) SEE ALSO
Collator constants, collator_sort(3), collator_asort(3). PHP Documentation Group COLLATOR_SORT_WITH_SORT_KEYS(3)
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