I want to populate the dashboard dropdown node with a list of whatever .jpg files are present in a folder which is located on a usb stick pugged into my pi, when I open the dropdown in the dashboard I want to be able to choose one of the file names in the drop down list and have it sent to the outpu…

There is readdir node, node-red-contrib-readdir (node) - Node-RED which does the job all in one action . Reads the directory, puts result in array, and sets it to the msg.options so can be feed directly to the dropdown node. [image]

That sounds brilliant ill try that for sure .. thanks for your help.

I find the fs-ops node set better for file and directory operations. You can get an array of files (with our without a wildcard) then pass that to the other fs-ops nodes to do other actions. YMMV.

hotNipi That readdir node is awesome, I've been scratching my head all afternoon trying things before I asked for help, thanks again for this info its brilliant, I am so happy.. Steve-Mci ill take a look at the fs-ops node tomorrow, the readdir node is going to take some beating though, thanks fo…

Me again .. I have one further question .. I want to send the directory path into the readdir node however I'm struggling to find a solution, unlike say the file nodes were you send msg.filename the Directory field cannot be left blank, I tried msg.payload {{msg.payload}} path, directory, dir in the…

OK OK I've moved over to fs-ops successfully, only criticism the colour of the nodes are yuk, hahah

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Populate dropdown node help needed

Dashboard

Steve-Mcl 28 February 2021 08:23 7

Did someone say fs-ops?

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Populate dropdown node help needed

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