擅长:python、mysql、java
<p>如果您对<code>-E</code>和<code>-i</code>使用GNU,对<code>[[:space:]]</code>和<code>[^[:space:]]</code>使用<code>\s/\S</code>速记:</p>
<pre><code>$ sed -Ei 's/(\sDISPLAY=)\S+/\10/' keywords.robot
$ cat keywords.robot
***SETTINGS***
library rfgui.py maximum_allowed_heartbeats_missed=2 DISPLAY=0
library OperatingSystem
library others.py
</code></pre>