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Top Forums UNIX for Dummies Questions & Answers Taking the average of two columns and printing it on a new column Post 302676517 by evelibertine on Tuesday 24th of July 2012 05:12:23 PM
Old 07-24-2012
Taking the average of two columns and printing it on a new column

Hi,

I have a space delimited text file that looks like the following:

Code:
Aa 100 200
Bb 300 100
Cc X 500
Dd 600 X

Basically, I want to take the average of columns 2 and 3 and print it in column 4. However if there is an X in either column 2 or 3, I want to print the non-X value. Therefore the output will look like this:

Code:
Aa 100 200 150
Bb 300 100 200
Cc X 500 500
Dd 600 X 600

How do I go about doing this? Thanks!
 

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PS_MAKESPOTCOLOR(3)							 1						       PS_MAKESPOTCOLOR(3)

ps_makespotcolor - Create spot color

SYNOPSIS
int ps_makespotcolor (resource $psdoc, string $name, [int $reserved]) DESCRIPTION
Creates a spot color from the current fill color. The fill color must be defined in rgb, cmyk or gray colorspace. The spot color name can be an arbitrary name. A spot color can be set as any color with ps_setcolor(3). When the document is not printed but displayed by an post- script viewer the given color in the specified color space is use. PARAMETERS
o $psdoc - Resource identifier of the postscript file as returned by ps_new(3). o $name - Name of the spot color, e.g. Pantone 5565. RETURN VALUES
The id of the new spot color or 0 in case of an error. EXAMPLES
Example #1 Creating and using a spot color <?php $ps = ps_new(); if (!ps_open_file($ps, "spotcolor.ps")) { print "Cannot open PostScript file "; exit; } ps_set_info($ps, "Creator", "spotcolor.php"); ps_set_info($ps, "Author", "Uwe Steinmann"); ps_set_info($ps, "Title", "Spot color example"); ps_begin_page($ps, 596, 842); ps_setcolor($ps, "fill", "cmyk", 0.37, 0.0, 0.34, 0.34); $spotcolor = ps_makespotcolor($ps, "PANTONE 5565 C", 0); ps_setcolor($ps, "fill", "spot", $spotcolor, 0.5, 0.0, 0.0); ps_moveto($ps, 100, 100); ps_lineto($ps, 100, 200); ps_lineto($ps, 200, 200); ps_lineto($ps, 200, 100); ps_lineto($ps, 100, 100); ps_fill($ps); ps_end_page($ps); ps_delete($ps); ?> This example creates the spot color "PANTONE 5565 C" which is a darker green (olive) and fills a rectangle with 50% intensity. SEE ALSO
ps_setcolor(3). PHP Documentation Group PS_MAKESPOTCOLOR(3)
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