将浮点变量转换为整数？ [英] Convert floating point variable to integer?

问题描述

如果页面加载时间超过6秒，则下面显示的shell脚本将显示警告。问题是 myduration 变量不是整数。如何将其转换为整数？

The shell script shown below will show a warning if the page takes more than 6 seconds to load. The problem is that the myduration variable is not an integer. How do I convert it to integer?

myduration=$(curl http://192.168.50.1/mantisbt/view.php?id=1 -w %{time_total}) > /dev/null ; \
[[ $myduration -gt 1 ]] && echo "`date +'%y%m%d%H%M%S'

花了加载页面超过6秒 http://192.168.50.1/mantisbt/view.php?id=1

It took more than 6 seconds to load the page http://192.168.50.1/mantisbt/view.php?id=1

推荐答案

假设$ myduration是小数或整数

Assuming $myduration is a decimal or integer

$ myduration=6.5
$ myduration=$( printf "%.0f" $myduration )
$ echo $myduration
6

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