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Index: X

x=, (assignment) operator: 3.17. Assignment Operators

-x (executable by effective uid/gid) file test: 3.10. Named Unary and File Test Operators

-X (executable by real uid/gid) file test: 3.10. Named Unary and File Test Operators

-x (extract program) command-line switch: 19.1. Command Processing

19.1.3. Switches

/x pattern modifier: 5.2.1. Pattern Modifiers

5.2.1. Pattern Modifiers

5.2.2. The m// Operator (Matching)

5.2.3. The s/// Operator (Substitution)

x (repetition) operator: 1.5.2. String Operators

-X (warning disabling) command-line switch: 19.1.3. Switches

X wildcard metasymbol: 5.3.3. Wildcard Metasymbols

XML, Perl modules for: 22.1. The CPAN modules Directory

Xor logical operator: 1.5.5. Logical Operators

XS language

code, portability of: 25.6. External Subroutines (XS)

debugging tools for: 32.1.13. Perl Language Extensions and Internals

external subroutines, wrapping: 21.3. Extending Perl (Using C from Perl)

functions, mapping between C and Perl: 21.3.1. XS and XSUBs

XSLoader module: 32.1.17. Module Installation Support

xsubpp compiler: 21.3.1. XS and XSUBs

XSUBs: 21.3. Extending Perl (Using C from Perl)

21.3.1. XS and XSUBs

(see also XS)

input and output: 21.3.3. XSUB Input and Output

wrapping subroutines for Perl: 21.3. Extending Perl (Using C from Perl)

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