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Full Discussion: How to get next hour?
Top Forums Shell Programming and Scripting How to get next hour? Post 302769979 by panyam on Thursday 14th of February 2013 05:01:17 AM
Old 02-14-2013
an awk approach:


Code:
echo "20130228230000" | awk -v h="3" '{
t_s1=substr($1,1,4)" "substr($1,5,2)" "substr($1,7,2)" "substr($1,9,2)" "substr($1,11,2)" "substr($1,13,2);
$1=strftime("%Y-%m-%d %H:%M:%S",mktime(t_s1)+h*3600);
print }'

 

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OCLOCK(1)						      General Commands Manual							 OCLOCK(1)

NAME
oclock - round X clock SYNOPSIS
oclock [-option ... ] DESCRIPTION
Oclock simply displays the current time on an analog display. OPTIONS
-fg color choose a different color for the both hands and the jewel of the clock -bg color choose a different color for the background. -jewel color choose a different color for the jewel on the clock. -minute color choose a different color for the minute hand of the clock. -hour color choose a different color for the hour hand of the clock. -backing { WhenMapped Always NotUseful } selects an appropriate level of backing store. -geometry geometry define the initial window geometry; see X(7). -display display specify the display to use; see X(7). -bd color choose a different color for the window border. -bw width choose a different width for the window border. As the Clock widget changes its border around quite a bit, this is most usefully set to zero. -shape causes the clock to use the Shape extension to create an oval window. This is the default unless the shapeWindow resource is set to false. -noshape causes the clock to not reshape itself and ancestors to exactly fit the outline of the clock. -transparent causes the clock to consist only of the jewel, the hands, and the border. COLORS
If you would like your clock to be viewable in color, include the following in the #ifdef COLOR section you read with xrdb: *customization: -color This will cause oclock to pick up the colors in the app-defaults color customization file: /usr/lib/X11/app-defaults/Clock-color. Below are the default colors: Clock*Background: grey Clock*BorderColor: light blue Clock*hour: yellow Clock*jewel: yellow Clock*minute: yellow SEE ALSO
X(7), X Toolkit documentation AUTHOR
Keith Packard, MIT X Consortium X Version 11 oclock 1.0.3 OCLOCK(1)
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