Fs-file-lister: pre fill path from msg.payload

manjha · 20 September 2020 13:38

I am using the fs-file-lister node to read info from a file. When I hard code the file path, this works great, content of the file is read.
But I want to be able to feed the path information to the node via msg.payload. Seems like a logical thing to do, but somehow I can't get the syntax right.
It must be simple, but I can't get it right.
Can someone help me with an example?

zenofmud · 20 September 2020 14:54

can you provide your flow that isn't working?
are you using node-red-contrib-fs?

TotallyInformation · 21 September 2020 00:19

msg.payload is an object with any of the following properties that mirror the settings shown in the Editor:

start, pattern, folders, lstype, hidden, path, single, depth, stat

github.com

TotallyInformation/node-red-contrib-fs/blob/master/fs/fs-file-lister.js#L103-L159


// ---------------------------------------------------------
// this section handles the overriding 'config' if option coming in msg.payload
// ---------------------------------------------------------
// override 'start if passed suitable payload
if ( (typeof msg.payload === 'object') && ('start' in msg.payload) ) {
    if ( validFolderName(msg.payload.start) ) {
        clonedMsg.config.start = msg.payload.start
    }
}
// override file 'pattern' if passed suitable payload
if ( (typeof msg.payload === 'object') && ('pattern' in msg.payload) ) {
    if ( (typeof msg.payload.pattern === 'string') && (msg.payload.pattern.length < 1024) ) {
        clonedMsg.config.pattern = msg.payload.pattern
    }
}
// override 'folders' pattern if passed suitable payload
if ( (typeof msg.payload === 'object') && ('folders' in msg.payload) ) {
    if ( (typeof msg.payload.folders === 'string') && (msg.payload.folders.length < 1024) ) {
        clonedMsg.config.folders = msg.payload.folders
    }

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manjha · 21 September 2020 08:31

Thank you, that helped!
I am just wondering where I could have found this myself, in stead of asking on this great forum?

TotallyInformation · 21 September 2020 09:03

It should be in the documentation for the node. As this is my node, if the information is missing, the best approach is to raise an Issue on GitHub.

For node authors not as responsive as me ultimately the source code is the best place to look.

system · 21 October 2020 09:03

This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.

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Fs-file-lister: pre fill path from msg.payload

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