The system dataset for a process contains variables that return system information. The System keyword is used to access the system dataset. You can use either dot (.) or bracket ([expression]) notation to specify a system variable in an expression:
System.variable_name
System[expression]
The following syntax uses bracket notation to specify a system variable name with a literal string:
System["variable_name"]
The system dataset contains the following variables:
The current date, in the format MM/DD/YY.
The day of the month.
The date of the first day of the current month in the format MM/DD/YY.
The date of the first day of the next month, in the format MM/DD/YY.
The date of the first day of the previous month, in the format MM/DD/YY.
The name of the current host.
The date of the last day of the current month, in the format MM/DD/YY.
The date of the last day of the next month, in the format MM/DD/YY.
The date of the last day of the previous month, in the format MM/DD/YY.
The current month, represented as a zero-based number (for example, this variable returns 0 for January).
The current time of day, in minutes (for example, this variable returns 600 for 10AM).
The current time of day, in the format HHMM.
The date of the day that follows the current date, in the format MM/DD/YY.
The week of the month.
The current year.
The date of the day that precedes the current day, in the format MM/DD/YY.
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