[augeas-devel] Getting pattern and checking values against regexp

[Raphaël Pinson]

Good day,

I was thinking about some functionality that would be useful in Augeas (or
maybe I don't know that they already exist :) ).

It might be useful for developers using the Augeas API to access the pattern
that Augeas is considering for values. For example, if a dev created a
graphical interface using Augeas, they might want to check the values
provided by users against the regexp describing these values. Such a
function could have a syntax like 'pattern(path)'

 pattern("/files/etc/logrotate.d/apache2/rule/file")
=> /[^,# \n\t{}]+/


This kind of check could also be performed internally by Augeas on request
through the API, using a check(path, value) function similar to set :

 check("/files/etc/logrotate.d/apache2/rule/file", "afile")
=> true
 check("/files/etc/logrotate.d/apache2/rule/file", "my value")
=> false


Raphaël
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