is line by line

Not quite, more likely, its statement oriented (as opposed to expression)

• What is the difference between a Statement and an Expression?
• perldoc compile
• perldoc perlcompile
• Execution order of END/CHECK vs BEGIN/INIT
• INIT blocks and runtime code loading
• What is an INIT block?
• CHECK and INIT under mod_perl
• BEGIN, END, eval and die.
• eval() and INIT{}
• Which phase am I in?

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