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# canonize yson here
(
#comment
(let udf (Udf '"Re2.Replace" '((String '"(^|.*/)([^/]+)$") (Null))))
(let mr_source (DataSource 'yt 'plato))
(let x (Read! world mr_source (Key '('table (String 'Input))) '('key 'subkey 'value) '()))
(let world (Left! x))
(let table1 (Right! x))
(let table1map (Map table1 (lambda '(item) (block '(
(let newValue (FilePath 'MyFile))
(let newValue (Apply udf newValue (String '"./\\2")))
(let s (Struct))
(let s (AddMember s 'key (Member item 'key)))
(let s (AddMember s 'subkey (Member item 'subkey)))
(let s (AddMember s 'value newValue))
(return s)
)))))
(let mr_sink (DataSink 'yt (quote plato)))
(let world (Write! world mr_sink (Key '('table (String 'Output))) table1map '('('mode 'append))))
(let world (Commit! world mr_sink))
(return world)
)
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