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19 True/False questions

  1. $0Contains name of perl script.

          

  2. $@Status returned by system command or `` command.

          

  3. @_Args passed to subroutine.

          

  4. Version$^V

          

  5. $`Current value of errno.

          

  6. $"String matched by last pattern match.

          

  7. $$Status returned by system command or `` command.

          

  8. $,Status returned by system command or `` command.

          

  9. $\The output record separator for the print operator. You can set this to "\n" instead of adding that to every print statement.

          

  10. $_Default input and pattern-searching space.

          

  11. @ARGVSystem environment variables

          

  12. $&String following what was matched in last pattern match.

          

  13. $/Input record separator, newline by default. You can set this to an entire file by "local $/".

          

  14. $?Perl syntax error trapped by eval

          

  15. %ENVString preceding what was matched in last pattern match.

          

  16. $'String following what was matched in last pattern match.

          

  17. $!Current value of errno.

          

  18. $1,$2Subpatterns extracted from regular expressions.

          

  19. $.String preceding what was matched in last pattern match.