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Full Discussion: sum of all matching rows using awk
Top Forums UNIX for Dummies Questions & Answers sum of all matching rows using awk Post 302222010 by rubin on Tuesday 5th of August 2008 07:53:46 PM
Old 08-05-2008
Code:
awk -F'"' '/x1/{a+=$(NF-1)}/x2/{b+=$(NF-1)}END{print "x1-> " a, " x2-> " b}' file

x1-> 497.3  x2-> 202.12

or with a new line in between

Code:
awk -F'"' '/x1/{a+=$(NF-1)}/x2/{b+=$(NF-1)}END{print "x1-> " a, "\nx2-> " b}' file

x1-> 497.3
x2-> 202.12

If the file has more than three fields, use ...

Code:
awk -F'","' '/x1/{a+=$3+0}/x2/{b+=$3+0}END{print "x1-> " a, "\nx2-> " b}' file

Last edited by rubin; 08-06-2008 at 07:27 PM.. Reason: added final code
 

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LEARN ABOUT CENTOS

xkballocgeomoverlayrows

XkbAllocGeomOverlayRows(3)					   XKB FUNCTIONS					XkbAllocGeomOverlayRows(3)

NAME

       XkbAllocGeomOverlayRows - Allocate rows in a overlay

SYNOPSIS

       Status XkbAllocGeomOverlayRows (XkbOverlayPtr overlay, int num_needed);

ARGUMENTS

       - overlay
	      section for which rows should be allocated

       - num_needed
	      number of new rows required

DESCRIPTION

       Xkb  provides a number of functions to allocate and free subcomponents of a keyboard geometry. Use these functions to create or modify key-
       board geometries.  Note that these functions merely allocate space for the new element(s), and it is up	to  you  to  fill  in  the  values
       explicitly  in  your  code. These allocation functions increase sz_* but never touch num_* (unless there is an allocation failure, in which
       case they reset both sz_* and num_* to zero). These functions return Success if they succeed, BadAlloc if they are  not	able  to  allocate
       space, or BadValue if a parameter is not as expected.

       XkbAllocGeomOverlayRows allocates num_needed rows and adds them to the overlay.	No initialization of the rows is done.

       To free rows in an overlay, use XkbFreeGeomOverlayRows.

DIAGNOSTICS

       BadAlloc       Unable to allocate storage

       BadValue       An argument is out of range

SEE ALSO

       XkbFreeGeomOverlayRows(3)

X Version 11							   libX11 1.6.0 					XkbAllocGeomOverlayRows(3)
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