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19 Matching questions

  1. $`
  2. @_
  3. $\
  4. $0
  5. $,
  6. $?
  7. $!
  8. $.
  9. Version
  10. $_
  11. $'
  12. $/
  13. $$
  14. $1,$2
  15. @ARGV
  16. $@
  17. $"
  18. %ENV
  19. $&
  1. a The output field separator for the print operator.
  2. b PID of this perl script.
  3. c System environment variables
  4. d Current line number on the filehandle last read.
  5. e String following what was matched in last pattern match.
  6. f Args passed into perl program.
  7. g String preceding what was matched in last pattern match.
  8. h Status returned by system command or `` command.
  9. i Input record separator, newline by default. You can set this to an entire file by "local $/".
  10. j $^V
  11. k Perl syntax error trapped by eval
  12. l Subpatterns extracted from regular expressions.
  13. m Default input and pattern-searching space.
  14. n The output record separator for the print operator. You can set this to "\n" instead of adding that to every print statement.
  15. o String matched by last pattern match.
  16. p Args passed to subroutine.
  17. q Contains name of perl script.
  18. r Current value of errno.
  19. s The output field separator for the print operator when array is enclosed in double quotes, i.e. "@animals".