[jira] [Updated] (NIFI-7809) ListSFTP File Filter Regex documentation needs to be clearer

["Opher Shachar (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-7809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Opher Shachar updated NIFI-7809:
--------------------------------
    Description: 
The documentation for "File Filter Regex" property of ListSFTP processor reads:
{quote}Provides a Java Regular Expression for filtering Filenames; if a filter is supplied, only files whose names match that Regular Expression will be fetched
{quote}
But it should be made clear that the Regex *_needs_* to match the _*whole*_ filename. e.g. to filter files ending in ".txt.gz" the following will not work:
{code:java}
\.txt\.gz$
{code}
You'd need to specify:
{code:java}
.*\.txt\.gz
{code}
or equally:
{code:java}
.*\.txt\.gz$
{code}

  was:
The documentation for "File Filter Regex" property of ListSFTP processor reads:
{quote}Provides a Java Regular Expression for filtering Filenames; if a filter is supplied, only files whose names match that Regular Expression will be fetched
{quote}
But it should be made clear that the Regex *_needs_* to match the whole filename. e.g. to filter files ending in ".txt.gz" the following will not work:
{code}
\.txt\.gz$
{code}
You'd need to specify:
{code}
.*\.txt\.gz
{code}
or equally:
{code}
.*\.txt\.gz$
{code}


> ListSFTP File Filter Regex documentation needs to be clearer
> ------------------------------------------------------------
>
>                 Key: NIFI-7809
>                 URL: https://issues.apache.org/jira/browse/NIFI-7809
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Extensions
>    Affects Versions: 1.11.4
>            Reporter: Opher Shachar
>            Priority: Major
>              Labels: documentaion, sftp
>
> The documentation for "File Filter Regex" property of ListSFTP processor reads:
> {quote}Provides a Java Regular Expression for filtering Filenames; if a filter is supplied, only files whose names match that Regular Expression will be fetched
> {quote}
> But it should be made clear that the Regex *_needs_* to match the _*whole*_ filename. e.g. to filter files ending in ".txt.gz" the following will not work:
> {code:java}
> \.txt\.gz$
> {code}
> You'd need to specify:
> {code:java}
> .*\.txt\.gz
> {code}
> or equally:
> {code:java}
> .*\.txt\.gz$
> {code}



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