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Full Discussion: Sum columns
Top Forums Shell Programming and Scripting Sum columns Post 302744901 by Aderson Nascime on Saturday 15th of December 2012 04:13:11 PM
Old 12-15-2012
Sum columns

Hi All,

I'm new to this forum. So please be patience with me! Smilie
I have a file that looks like this (all rows have the same number of columns):

Code:
19 20 30 15 17 38 51 60 74 85 96 07 ....
10 20 44 59 39 88 13 77 30 10 11 12 ....
.
.
.

I want to sum the value of first field to all the remaining ones for every rows. So, for NR==1, all the values (after the first field) will be summed by 19; and for NR==2, all the values (after the first field) will be summed by 10 and so on...

Thanks a lot.

Best

Aderson Nascimento

Last edited by jim mcnamara; 12-15-2012 at 05:52 PM..
 

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pfscut(1)						      General Commands Manual							 pfscut(1)

NAME
pfscut - Extract a rectangle out of a frame in PFS stream SYNOPSIS
pfscut [--left <columns>] [--right <columns>] [--top <rows>] [--bottom <rows>] [--width <new_width>] [--height <new_height>] [--help] [x_ul y_ul x_br y_br] DESCRIPTION
Extract a rectangle out of each frame in PFS stream. You can either specify x and y coordinates of upper left and lower right corner (the coordinates start with 0 and rise in the left-to-right and up-to-botton directions) or give a combination of the options listed below. OPTIONS
--left <columns>, -l <columns> Number of columns to be cut out from the left edge of an image. --right <columns>, -r <columns> Number of columns to be cut out from the right edge of an image. --top <rows>, -t <rows> Number of rows to be cut out from the top edge of an image. --bottom <rows>, -b <rows> Number of rows to be cut out from the bottom edge of an image. --width <new_width>, -W <new_width> Width of an output image. Note that --width can be mixed with either --left or --right option. --height <new_height>, -H <new_height> Height of an output image. Note that --height can be mixed with either --top or --bottom option. --help, -h Print a list of commandline options. EXAMPLES
pfsin image.hdr | pfscut --left 20 --top 5 | pfsout out.hdr Cut out 20 columns from the left and 5 rows from the top edge of image.hdr and save frame as out.hdr. pfsin image.hdr | pfscut --left 20 --width 400 | pfsout out.hdr Cut out 20 columns from the left edge of image.hdr, and create output image 400 pixels in width. pfsin image.hdr | pfscut 0 0 511 511 | pfsout out.hdr Cut left-upper part of the image of the size 512x512 (note that coordinates start with 0 and 512 is the last row/column that is included in the resulting image). SEE ALSO pfsin(1) pfsout(1) BUGS
Please report bugs and comments to Dorota Zdrojewska <dzdrojewska@wi.ps.pl>. pfscut(1)
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