Is there any way to ensure that a file must not contain any lines matching a particular substring or regex?
For example, say I want to ensure that file /etc/something.conf does not have any lines that begin with "riskyparam ..." I don't know what value riskyparam is set to, and I don't know how many times it appears in the file, but I want to remove all of them if any are there.
`file_line` with a match and ensure=>absent seemed at first like it might be a way to do this, but it turns out it doesn't work. You must have a line=> in the `file_line`, and that line is some specific string (even if it's expanded from variables or functions), not a regex or substring match. With ensure=>absent, file_line would remove anything matching that line completely. But when I don't know in advance what the offending line might contain, and want to remove all variations of it, that won't work.
Is there any way to do this?
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