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CREATE STREAM xls (symbol String, points Double)   
    WRAPPER 'GenericPull'
    PROTOCOL 'XLS'
    TRANSPORT 'File'
    DATAHANDLER 'Tuple'
    OPTIONS ( 'filename' '/home/user/file.xls')

CREATE SINK writeout (symbol STRINGString, points DOUBLEDouble)
    WRAPPER 'GenericPush'
    PROTOCOL 'XLS'
    TRANSPORT 'File'
    DATAHANDLER 'Tuple'
    OPTIONS ( 'filename' '/home/user/file.xls')
STREAM TO writeout SELECT * FROM input