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Elektra
0.8.17
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The Enum plugin checks string values of Keys by comparing it against a list of valid values.
The plugin checks every Key in the Keyset for the Metakey check/enum containing a list with the syntax `'string1', 'string2', 'string3', ..., 'stringN'` and compares each value with the string value of the Key. If no match is found an error is returned.
kdb mount enum.ecf /example/enum enum
kdb set user/example/enum/value middle # init to something valid
kdb setmeta user/example/enum/value check/enum "'low', 'middle', 'high'"
kdb set user/example/enum/value low # success
kdb set user/example/enum/value no # fail
1.8.8