Re: [libvirt PATCH 03/19] commandhelper: Simplify envsort

On Fri, Jan 29, 2021 at 17:16:13 +0100, Tim Wiederhake wrote:

Comparing only the keys produces the same result as comparing keys and value. The latter saves two invocations of each `strndup` and `free`.

env variable names allow also ascii chars with lower index than '=' such as numbers: $ TEST=asdf TEST1=asdf env | grep TEST | LANG=C sort TEST1=asdf TEST=asdf $ TEST=asdf TEST1=asdf env | grep TEST | cut -d "=" -f 1 | LANG=C sort TEST TEST1