get_exchange_from_filename | R Documentation |
Returns the exchange from an ITCH-filename
get_exchange_from_filename(file)
file |
a filename |
The exchange
get_exchange_from_filename("03302017.NASDAQ_ITCH50")
get_exchange_from_filename("20170130.BX_ITCH_50.gz")
get_exchange_from_filename("S030220-v50-bx.txt.gz")
get_exchange_from_filename("Unknown_file_format")
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