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Date: Thu, 26 Nov 2015 13:24:34 +0000
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Subject: Rounding off real (floating point) values - bash to awk
From: Lester Anderson <arctica1963 AT gmail DOT com>
To: cygwin AT cygwin DOT com
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Hello,

I can use a script like:

#!/bin/bash
x=3.7
# pass variable x to awk via -v (var=value)
awk -v x=$x 'BEGIN { printf "%3.0f\n", x }'
#

which returns the value 4 as expected, but are there any other methods
that can be used?

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