www.perl.com
Perl Programming
Scalars
  • Store any single value
    • number
      • integer (12, 1E+100)
      • real (3.14159, 2.71828182845905)
      • decimal (15), octal (017), or hexadecimal (0xF)
    • string
      • a single character ("a")
      • many characters ("A quick brown...")
      • Unicode ("\x{263A}", UTF-8 format)
    • reference
http://stuff.mit.edu/iap/perl/