Getting a value from HTML format in Bash

Question

I want to verify the status become "ready" before performing the next action. However, the client return the status in HTML format. How can I just get the "ready" value?

Code

echo "$status"

Output:

<reply><contents><status>ready</status>
</contents>
<status>OK</status>
</reply>

Tom Fenech · Accepted Answer · 2015-07-08 22:35:36Z

3

Looks like you've got some valid XML there. You can get the ready part out like this:

xmllint --xpath '//contents/status/text()' file.xml

Tempting as it may be in this relatively simple case to use a regular expression to extract the part you're interested in, I would strongly recommend against it, as it is the wrong tool for the job and will break as soon as the input changes slightly. This approach is much more flexible.

edited Jul 8, 2015 at 22:35

answered Jul 8, 2015 at 22:29

Tom Fenech

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