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The Perl Network Programming Cheat Sheet covers:

  • Perl help
  • Comparison operators
  • Command-line arguments
  • Special variables
  • Run mode options
  • References
  • Variables
  • Arrays
  • Socket programming with Server-side & Client-side examples
  • Relevant Perl functions

View or Download the cheat sheet PDF file

Download the cheat sheet PDF file here. When it opens in a new browser tab, simply right click on the PDF and navigate to the download menu.

What’s included in this cheat sheet

The following categories and items have been included in the cheat sheet:

Perl help

Comparison operators

Command-line Arguments

Special Variables

Run mode options

References

Variables

Arrays

Socket Programming with Server-side & Client-side examples

Relevant Perl Functions

=++

lt gt le ge

String relational operators.

eq ne cmp

Stringwise equal, not equal, compare.

Compare operators return -1 (less), 0 (equal)

or 1 (greater).

In array context, enumeration.

@ENV hash of program’s environment