Finds all .raw files in a folder.
Examples
# all .raw files provided with the isoorbi package
orbi_find_raw(system.file("extdata", package = "isoorbi"))
#> [1] "/home/runner/work/_temp/Library/isoorbi/extdata/nitrate_test_10scans.raw"
#> [2] "/home/runner/work/_temp/Library/isoorbi/extdata/nitrate_test_1scan.raw"