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, sysread, sysseek, syswrite, tell, telldir, truncate, warn, write

#Functions for fixed length data or records

pack, read, syscall, sysread, syswrite, unpack, vec

#Functions for filehandles, files, or directories

-X, chdir, chmod, chown, chroot, fcntl, glob, ioctl, link, lstat, mkdir, open, opendir, readlink, rename, rmdir, stat, symlink, umask, unlink, utime

#Keywords related to the control flow of your perl program

caller, continue, die, do, dump, eval, exit, goto, last, next, redo, return, sub, wantarray

#Keywords related to scoping

caller, import, local, my, package, use

#Miscellaneous functions

defined, dump, eval, formline, local, my, reset, scalar, undef, wantarray

#Functions for processes and process groups

alarm, exec, fork, getpgrp, getppid, getpriority, kill, pipe, qx/STRING/, setpgrp, setpriority, sleep, system, times, wait, waitpid

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