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mtigua
mtigua
Silver ⭐️
March 22, 2019
Solved

Get files using ListFile but filtering by its name that has a date inside it

Hello everyone, please help!

I have files whose name is formed by a date in the format "yymmdd", for example:


TRB_ASE_D190125.txt

TRB_TIT_D190125.txt


I need to get only the files whose names match the current date. For example, if the date was "190125", the 2 subsequent files would match that criterion.

I am using the ListFile processor to get the files and put this regular expression using the "now" function in the File Filter, but it does not work:


^TRB_[A-Z]+_D${now():format('yymmdd')}.TXT


Thanks in advance!

    MattWho
    MattWhoAnswer
    Titanium ⭐️⭐️⭐️
    March 23, 2019

    @Mario Tigua

    The File Filter property in the listFile processor does not support NiFi Expression Language. If yo float your cursor of the question mark icon to the right of a property name it will display a pop-up window that will tell you if this property will support NiFi expression language.
    -

    This property expects a java regular expression instead.

    -

    Thank you,

    Matt

    -

    If you found this answer addressed your question, please take a moment to login in and click the "ACCEPT" link.

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    1 reply

    MattWho
    Titanium ⭐️⭐️⭐️
    MattWhoAnswer
    Titanium ⭐️⭐️⭐️
    March 23, 2019

    @Mario Tigua

    The File Filter property in the listFile processor does not support NiFi Expression Language. If yo float your cursor of the question mark icon to the right of a property name it will display a pop-up window that will tell you if this property will support NiFi expression language.
    -

    This property expects a java regular expression instead.

    -

    Thank you,

    Matt

    -

    If you found this answer addressed your question, please take a moment to login in and click the "ACCEPT" link.

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