ksh 将命令的结果存储到变量中 [英] ksh storing result of a command to a variable

问题描述

I want to store the result of a command to a variable in my shell script. I cant seem to get it to work. I want the most recently dated file in the directory.

PRODUCT= 'ls -t /some/dir/file* | head -1 | xargs -n1 basename'

it wont work

解决方案

you have two options, either $ or backsticks`.

1) x=$(ls -t /some/dir/file* | head -1 | xargs -n1 basename)

or

2) x=`ls -t /some/dir/file* | head -1 | xargs -n1 basename`

echo $x

Edit: removing unnecessary bracket for (2).

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