Shiny app, file upload parameter check not working properly

[leppott]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
Should detect parameter names.

Screenshots

Additional context
Original file not working because "%" vs. "percent" in config file

[leppott]

Parameter values hard coded in global.R in Fileparse()

Change to using values from config.R

Works properly in detecting parameters in input file.