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Here is the workflow that is required
Drop an excel file in a specific folder-rhino is loaded-grasshopper executed- reads the excel data - processes data - outputs 3dmodel in the same folder.
I just require to code the initial part to automate the process instead of manually locating the excel file in grasshopper.
Answers
I'm unclear: are you trying to uses the Processing.org programming language, which is the topic of this forum?
Or are you just trying to automate a process, e.g. with folder actions, Automator, shell script, or some a scripting language specific to your operating system?
This post shows a way to access a spreadsheet: https://forum.processing.org/two/discussion/20053/hivis-sketch-pulling-xlsx-file-gives-nullpointerexception/p1
What to do next is really based on your design and needs. Please provide a MCVE showing your approach if you get stuck.
Kf