CXL Patterns
• BEGIN { statements }
The statements are executed once before any input is read.
• END { statements }
The statements are executed once after all input has been read.
• CATCHUP { statements }
The statements are executed when the catchup on statement has been executed and terminates execution when the catchup off statement has been executed.
• /regular expression/ { statements }
The statements are executed at each input line that contains a string match by the regular expression.
• comparison expression { statements }
The statements are executed at each input line that contains a string match by the comparison expression.