GSM-45957
RMAN commands can be supplied either with a command file or directly in the command line. The syntax of the commands is the same as when they are entered at the RMAN prompt.
When the comamnds are supplied in the command line, they must be put in quotation marks. If the commands themselves contain single quotes, then double quotes should be used for the commands.
When the comamnds are supplied in the command line, they must be put in quotation marks. If the commands themselves contain single quotes, then double quotes should be used for the commands.
Cause
GDSCTL help message.