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https://issues.apache.org/jira/browse/CSV-109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16577481#comment-16577481
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lbruun commented on CSV-109:
----------------------------
Microsoft's
[Schema.ini|http://msdn.microsoft.com/en-us/library/ms709353(v=vs.85).aspx] has
some of the same goals as the W3's ["Model for Tabular Data and
Metadata"|https://www.w3.org/TR/tabular-data-model/] which is tracked in
CSV-230. Not to dismiss someone else's need but I would rather that the project
prioritized implementing support for the W3 standard (which is open, global,
non-proprietary) rather than Microsoft's attempt. However, truth be told,
Microsoft's Schema.ini predates the W3 standardization by many years so at the
time when this ticket was opened I would have voted for it. :) (the W3
standard wasn't finalized until 2016 I think)
> Support external CSV schema definition
> --------------------------------------
>
> Key: CSV-109
> URL: https://issues.apache.org/jira/browse/CSV-109
> Project: Commons CSV
> Issue Type: Wish
> Components: Parser
> Affects Versions: 1.0
> Reporter: Jay Zylstra
> Priority: Minor
> Fix For: Patch Needed, 1.x
>
>
> As XML has XSD, so CSV needs an external schema definition file which defines
> the schema of the flat file format and the values it contains.
> Programmatically adding constraints, as supported by
> {{org.supercsv.cellprocessor.constraint.StrRegEx}}, are useful but not
> portable. Fortunately, Microsoft has already created such a CSV schema
> definition file format called
> [Schema.ini|http://msdn.microsoft.com/en-us/library/ms709353(v=vs.85).aspx].
> It is my suggestion to add file and data parsing validation to Apache Commons
> CSV by adopting support for _Schema.ini_, bringing this long overdue
> functionality to the Java world.
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