Scalars

Numbers By default, computed with double-precision floating-point values 29/4 == 7.25 , not 7   You can force integer math with the use integer; pragma   Can be expressed in decimal, hexadecimal or octal 255 == 0377 == 0xFF   Numbers starting with a zero are always seen as octal. Strings Can contain any data, even the null character (0x00)   Can be arbitrarily large   Perl keeps track of size internally		Index Introduction What Is Perl? Perl Resources Running a Perl Program Perl Thinking Data Types Scalars Strings: Single Quoted Strings: Double Quoted Scalar operations Scalar comparisons Variables Lists Using Lists Control Structures Hashes Hash Manipulation File Handling Regex Matching Regex Matching: Ex. 1 Regex Matching: Ex. 2 Regex Replacing Subroutines Anonymous subs References Structures Modules Modules: File::Find Modules: Internet Modules: Win32::* Everything Else
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