PERL Function Reference

H
hex	convert a string to a hexadecimal number
I
import	patch a module's namespace into your own
int	get the integer portion of a number
ioctl	system-dependent device control system call
J
join	join a list into a string using a separator
K
keys	retrieve list of indices from a hash
kill	send a signal to a process or process group
L
last	exit a block prematurely
lc	return lower-case version of a string
lcfirst	return a string with just the next letter in lower case
length	return the number of bytes in a string
link	create a hard link in the filesytem
listen	register your socket as a server
local	create a temporary value for a global variable (dynamic scoping)
localtime	convert UNIX time into record or string using local time
log	retrieve the natural logarithm for a number
lstat	stat a symbolic link
M
m//	match a string with a regular expression pattern
map	apply a change to a list to get back a new list with the changes
mkdir	create a directory
msgctl	SysV IPC message control operations
msgget	get SysV IPC message queue
msgrcv	receive a SysV IPC message from a message queue
msgsnd	send a SysV IPC message to a message queue
my	declare and assign a local variable (lexical scoping)
N
next	iterate a block prematurely
no	unimport some module symbols or semantics at compile time
O
oct	convert a string to an octal number
open	open a file, pipe, or descriptor
opendir	open a directory
ord	find a character's numeric representation
P
pack	convert a list into a binary representation
package	declare a separate global namespace
pipe	open a pair of connected filehandles
pop	remove the last element from an array and return it
pos	find or set the offset for the last/next m//g search
print	output a list to a filehandle
printf	output a formatted list to a filehandle
prototype	get the prototype (if any) of a subroutine
push	append one or more elements to an array
Q
q/STRING/	singly quote a string
qq/STRING/	doubly quote a string
quotemeta	quote regular expression magic characters
qw/STRING/	quote a list of words
qx/STRING/	backquote quote a string