DLP Download Batch Processing

Script Example:  
https://marketdata.theocc.com/delo-download?prodType=EU&downloadFields=OS;US&format=txt

prodType: ALL (include all product types)
EU (equity underlying)
EB (equity bounds)
EL (equity long term)
EF (equity FLEX)
CU (currency underlying)
CL (currency long term)
CM (currency month end)
CF (currency FLEX)
IL (index long term)
IU (index underlying)
IF (index FLEX)
GF (interest rate futures)
SF (stock futures)
FC (futures cash index)
FP (futures physical index)
TU (treasury underlying)
TL (treasury long term)
downloadFields: OS (Option Symbol)
US (Underlying Symbol)
SN (Symbol Name)
EXCH (Exchanges)
PL (Position Limit)
ONN (Product Type)

Use the ";" delimiter to select multiple values for the downloadFields parameter, for example: OS;US;UN.

format: txt