参考
示例
#!/usr/bin/perl
print "pid = $$\n";
print "yStart main running here\n";
BEGIN { print "BEGIN\n"; }
INIT { print "INIT\n"; }
CHECK { print "CHECK\n"; }
END { print "END\n"; }
- BEGIN
- 运行程序之前执行的模块 ( Run some code as soon as it has all been read in by the parser and before the rest compiles.)
- END
- 结束程序之前执行的模块 (Run some code as late as possible. When the interpreter is ready to shut down.)
