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# Pragmas

Perl 5 version 16.0 documentation
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# Pragmas

- attributes - get/set subroutine or variable attributes
- autodie - Replace functions with ones that succeed or die with lexical scope
- autouse - postpone load of modules until a function is used
- base - Establish an ISA relationship with base classes at compile time
- bigint - Transparent BigInteger support for Perl
- bignum - Transparent BigNumber support for Perl
- bigrat - Transparent BigNumber/BigRational support for Perl
- blib - Use MakeMaker's uninstalled version of a package
- bytes - Perl pragma to force byte semantics rather than character semantics
- charnames - access to Unicode character names and named character sequences; also define character names
- constant - Perl pragma to declare constants
- diagnostics - produce verbose warning diagnostics
- encoding - allows you to write your script in non-ascii or non-utf8
- feature - Perl pragma to enable new features
- fields - compile-time class fields
- filetest - Perl pragma to control the filetest permission operators
- if - use a Perl module if a condition holds
- integer - Perl pragma to use integer arithmetic instead of floating point
- less - perl pragma to request less of something
- lib - manipulate @INC at compile time
- locale - Perl pragma to use or avoid POSIX locales for built-in operations
- mro - Method Resolution Order
- open - perl pragma to set default PerlIO layers for input and output
- ops - Perl pragma to restrict unsafe operations when compiling
- overload - Package for overloading Perl operations
- overloading - perl pragma to lexically control overloading
- parent - Establish an ISA relationship with base classes at compile time
- re - Perl pragma to alter regular expression behaviour
- sigtrap - Perl pragma to enable simple signal handling
- sort - perl pragma to control sort() behaviour
- strict - Perl pragma to restrict unsafe constructs
- subs - Perl pragma to predeclare sub names
- threads - Perl interpreter-based threads
- threads::shared - Perl extension for sharing data structures between threads
- utf8 - Perl pragma to enable/disable UTF-8 (or UTF-EBCDIC) in source code
- vars - Perl pragma to predeclare global variable names (obsolete)
- vmsish - Perl pragma to control VMS-specific language features
- warnings - Perl pragma to control optional warnings
- warnings::register - warnings import function