是否可以检测到32位和64位在bash脚本？ [英] Is it possible to detect 32 bit vs 64 bit in a bash script?

问题描述

我写一个bash脚本来处理以自动化的方式有些安装...我有在32位或64位二进制得到这样一个程序的可能性...是有可能从bash的检测机器架构，使我可以选择正确的二进制文件？

I am writing a bash script to deal with some installations in an automated way... I have the possibility of getting one such program in 32 or 64 bit binary... is it possible to detect the machine architecture from bash so I can select the correct binary?

这将是Ubuntu机器。

This will be for Ubuntu machines.

推荐答案

确实

uname -a

给你什么，你可以使用？我没有64位机器上测试。

give you anything you can use? I don't have a 64-bit machine to test on.

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迈克斯通注意：这工作，虽然具体

uname -m

会给x86_64的64位，和别的其他32位类型（在我的32位虚拟机，它的i686的）。

Will give "x86_64" for 64 bit, and something else for other 32 bit types (in my 32 bit VM, it's "i686").

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