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All functions

determine_headers()
Determine the headers of a portfolio CSV to import
get_csv_specs()
Get a data frame of CSV specifications
guess_delimiter()
Guess the delimiter of a delimited file for a vector of filenames or filepaths
guess_file_encoding()
Guess the file encoding for a vector of filenames or filepaths
guess_numerical_mark()
Guess the numerical marks in the market_value column of a portfolio CSV
is_file_accessible()
Validate a vector of filenames or filepaths
is_readable_file()
Validate read access to files in a vector of filenames or filepaths
is_text_file()
Guess if a file is a text file for a vector of filenames or filepaths
is_valid_currency_code()
Validate a vector of currency codes
is_valid_cusip()
Validate a vector of CUSIPs
is_valid_isin()
Validate a vector of ISINs
read_portfolio_csv()
Read in portfolio CSV/s, working around a number of non-standard issues