Hey, it's my first post here at the forum. I simply want to check, if a file in my rasperry directory exist. So I tried a few things. But don't get the right way. So I found this example. I like functions, so this one seems to be the best on for me. But I don't get working: Example I added thes…

Hey Julian, the example gave me some inspiration and yeah how easy and confortable it is to import the modules directly in the function node. :wink: Now I have a solution that works for me :slight_smile: fs.stat('/home/pi/Test/grab.jpg', function(err) { if (err) { msg.payload = 0 …

Hi, welcome to the forum. Common error. You've mixed up your "nots". (typeof fs !== 'undefined') || (typeof path !== 'undefined') is always going to be true. This should do it I think: if ( !fs || !path ) :slight_smile: We've all done it.

ok that was simple :smiley: Thanks for the quick response. I think I just focused to hard to the setting file. But the code in the function is originally from your example, maybe you can change it, that will help other :slight_smile: [image] mk500: Example But now I have another problem. …

[image] mk500: But the code in the function is originally from your example Please provide a link to that example, so that we can check it.

[image] mk500: But the code in the function is originally from your example, maybe you can change it, that will help other Ah well - the falacy of assuming I know what I'm talking about! To be fair though. That was create SIX YEARS AGO! :astonished: I'd forgotten all about it. [image] Pau…

[image] TotallyInformation: Using fast-glob you can pass a request such as /home/pi/Desktop/*.jpg , what you get back would be an array of paths. If there were no jpg files, you would get an empty array which, of course, you could test for. I checked the github site of the 'fast-glob npm', bu…

This may help: [image] Select files within a date range and merge them into one file General Here is another way to do it grinning Using just a function node. [image] You can use fs instead of fs-extra if you like but then you will end up with a more complex first line…

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Check If file exists - functionGlobalContext

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TotallyInformation 31 March 2022 18:59 7

This may help:

Topic		Replies	Views
A way to know If a File Exist General	2	6162	21 August 2019
functionGlobalContext on Raspberry PI General	19	2827	29 June 2021
Using 'fs' in the node function General	2	4145	26 March 2019
Test if the file exist General	4	4250	13 August 2019
Add own functions to node red by using functionGlobalContext General	4	6466	30 October 2019

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Check If file exists - functionGlobalContext

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