Perl内置函数列表

• Functions for SCALARs or strings

  , , , , , , , , , , , , , , , , , , , , ,

• Regular expressions and pattern matching

  , , , , , ,

• Numeric functions

  , , , , , , , , , , ,

• Functions for real @ARRAYs

  , , , ,

• Functions for list data

  , , , , , ,

• Functions for real %HASHes

  , , , ,

• Input and output functions

  , , , , , , , , , , , , , , , , , , , , , , , , , , ,

• Functions for fixed length data or records

  , , , , , ,

• Functions for filehandles, files, or directories

  -X, , , , , , , , , , , , , , , , , , , , ,

• Keywords related to the control flow of your Perl program

  , , , , , , , , , , , , ,

• Keywords related to scoping

  , , , , , ,

• Miscellaneous functions

  , , , , , , , , , ,

• Functions for processes and process groups

  , , , , , , , , , , , , , , ,

• Keywords related to perl modules

  , , , , ,

• Keywords related to classes and object-orientedness

  , , , , , , , ,

• Low-level socket functions

  , , , , , , , , , , , ,

• System V interprocess communication functions

  , , , , , , , , , ,

• Fetching user and group info

  , , , , , , , , , , , ,

• Fetching network info

  , , , , , , , , , , , , , , , , ,

• Time-related functions

  , , ,

• Functions new in perl5

  , , , , , , , , , , , , , , , , , , , , , , , , , , ,

  * - was a keyword in perl4, but in perl5 it is an operator, which can be used in expressions.

• Functions obsoleted in perl5

  ,