trimming whitespace, if opfile is passed as empty string
trimming whitespace, if opfile is passed as empty string

NerdWalletOSS/Q,NerdWalletOSS/Q,NerdWalletOSS/Q,NerdWalletOSS/Q,NerdWalletOSS/Q,NerdWalletOSS/Q,NerdWalletOSS/Q,NerdWalletOSS/Q