CONTENTS

• Perl Functions by Category
• Alphabetical Listing of Perl Functions

Full documentation of builtin functions: perlfunc

#Perl Functions by Category

Here are Perl's functions (including things that look like functions, like some keywords and named operators) arranged by category. Some functions appear in more than one place.

#Functions for SCALARs or strings

chomp, chop, chr, crypt, hex, index, lc, lcfirst, length, oct, ord, pack, q/STRING/, qq/STRING/, reverse, rindex, sprintf, substr, tr///, uc, ucfirst, y///

#Regular expressions and pattern matching

m//, pos, quotemeta, s///, split, study, qr//

#Numeric functions

abs, atan2, cos, exp, hex, int, log, oct, rand, sin, sqrt, srand

#Functions for real @ARRAYs

pop, push, shift, splice, unshift

#Functions for list data

grep, join, map, qw/STRING/, reverse, sort, unpack

#Functions for real %HASHes

delete, each, exists, keys, values

#Input and output functions

binmode, close, closedir, dbmclose, dbmopen, die, eof, fileno, flock, format, getc, print, printf, read, readdir, rewinddir, seek, seekdir, select, syscall,