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Full Discussion: awk division error - 0
Top Forums Shell Programming and Scripting awk division error - 0 Post 302483232 by sidorenko on Friday 24th of December 2010 12:21:28 PM
Old 12-24-2010
if you want to have as the result 0 instead of fatal error you may use the following:
Code:
>awk '{_div1= $3 ? ($1 / $3) : 0 ; _div2 = $7 ? ( $4 / $7 ) : 0; _res = _div2 ? ( _div1 / _div2 ) : 0 ; print _res }'
0 0 0 0 0 0 0 0 0 0 0 0 
0
0.2 0.2 0.2 0.2 0.2 0.2 0.2
1
1 2 3 4 5 6 7 8 
0.583333

If you need, I can send you the explanation
 

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ttk::frame(n)							 Tk Themed Widget						     ttk::frame(n)

__________________________________________________________________________________________________________________________________________________

NAME
ttk::frame - Simple container widget SYNOPSIS
ttk::frame pathName ?options? _________________________________________________________________ DESCRIPTION
A ttk::frame widget is a container, used to group other widgets together. STANDARD OPTIONS
-class -cursor -takefocus -style See the ttk_widget manual entry for details on the standard options. WIDGET-SPECIFIC OPTIONS [-borderwidth borderWidth] The desired width of the widget border. Defaults to 0. [-relief relief] One of the standard Tk border styles: flat, groove, raised, ridge, solid, or sunken. Defaults to flat. [-padding padding] Additional padding to include inside the border. [-width width] If specified, the widget's requested width in pixels. [-height height] If specified, the widget's requested height in pix- els. WIDGET COMMAND
Supports the standard widget commands configure, cget, identify, instate, and state; see ttk::widget(n). NOTES
Note that if the pack, grid, or other geometry managers are used to manage the children of the frame, by the GM's requested size will nor- mally take precedence over the frame widget's -width and -height options. pack propagate and grid propagate can be used to change this. SEE ALSO
ttk::widget(n), ttk::labelframe(n), frame(n) KEYWORDS
widget, frame, container Tk 8.5 ttk::frame(n)
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