## ref: <https://learn.perl.org/docs/keywords.html>[`@`](https://archive.is/zNWUk)

## Misc common words

CPAN
cpan

## Perl functions

-A
-B
-b
-C
-c
-d
-e
-f
-g
-k
-l
-M
-O
-o
-p
-r
-R
-S
-s
-T
-t
-u
-w
-W
-X
-x
-z
abs
accept
alarm
atan2
AUTOLOAD
BEGIN
bind
binmode
bless
break
caller
chdir
CHECK
chmod
chomp
chop
chown
chr
chroot
close
closedir
connect
cos
crypt
dbmclose
dbmopen
defined
delete
DESTROY
die
dump
each
END
endgrent
endhostent
endnetent
endprotoent
endpwent
endservent
eof
eval
exec
exists
exit
fcntl
fileno
flock
fork
format
formline
getc
getgrent
getgrgid
getgrnam
gethostbyaddr
gethostbyname
gethostent
getlogin
getnetbyaddr
getnetbyname
getnetent
getpeername
getpgrp
getppid
getpriority
getprotobyname
getprotobynumber
getprotoent
getpwent
getpwnam
getpwuid
getservbyname
getservbyport
getservent
getsockname
getsockopt
glob
gmtime
goto
grep
hex
index
INIT
int
ioctl
join
keys
kill
last
lc
lcfirst
length
link
listen
local
localtime
log
lstat
map
mkdir
msgctl
msgget
msgrcv
msgsnd
my
next
not
oct
open
opendir
ord
our
pack
pipe
pop
pos
print
printf
prototype
push
quotemeta
rand
read
readdir
readline
readlink
readpipe
recv
redo
ref
rename
require
reset
return
reverse
rewinddir
rindex
rmdir
say
scalar
seek
seekdir
select
semctl
semget
semop
send
setgrent
sethostent
setnetent
setpgrp
setpriority
setprotoent
setpwent
setservent
setsockopt
shift
shmctl
shmget
shmread
shmwrite
shutdown
sin
sleep
socket
socketpair
sort
splice
split
sprintf
sqrt
srand
stat
state
study
substr
symlink
syscall
sysopen
sysread
sysseek
system
syswrite
tell
telldir
tie
tied
time
times
truncate
uc
ucfirst
umask
undef
UNITCHECK
unlink
unpack
unshift
untie
use
utime
values
vec
wait
waitpid
wantarray
warn
write

## Perl syntax

__DATA__
__END__
__FILE__
__LINE__
__PACKAGE__
and
cmp
continue
CORE
do
else
elsif
eq
exp
for
foreach
ge
gt
if
le
lock
lt
m
ne
no
or
package
q
qq
qr
qw
qx
s
sub
tr
unless
until
while
xor
y

## Perl variables

$!
$"
$#
$$
$%
$&
$'
$(
$)
$*
$+
$,
$-
$.
$/
$0
$:
$;
$<
$=
$>
$?
$@
$[
$\
$]
$^
$^A
$^C
$^CHILD_ERROR_NATIVE
$^D
$^E
$^ENCODING
$^F
$^H
$^I
$^L
$^M
$^N
$^O
$^OPEN
$^P
$^R
$^RE_DEBUG_FLAGS
$^RE_TRIE_MAXBUF
$^S
$^T
$^TAINT
$^UNICODE
$^UTF8LOCALE
$^V
$^W
$^WARNING_BITS
$^WIDE_SYSTEM_CALLS
$^X
$_
$`
$a
$ACCUMULATOR
$ARG
$ARGV
$b
$BASETIME
$CHILD_ERROR
$COMPILING
$DEBUGGING
$EFFECTIVE_GROUP_ID
$EFFECTIVE_USER_ID
$EGID
$ERRNO
$EUID
$EVAL_ERROR
$EXCEPTIONS_BEING_CAUGHT
$EXECUTABLE_NAME
$EXTENDED_OS_ERROR
$FORMAT_FORMFEED
$FORMAT_LINE_BREAK_CHARACTERS
$FORMAT_LINES_LEFT
$FORMAT_LINES_PER_PAGE
$FORMAT_NAME
$FORMAT_PAGE_NUMBER
$FORMAT_TOP_NAME
$GID
$INPLACE_EDIT
$INPUT_LINE_NUMBER
$INPUT_RECORD_SEPARATOR
$LAST_MATCH_END
$LAST_PAREN_MATCH
$LAST_REGEXP_CODE_RESULT
$LIST_SEPARATOR
$MATCH
$MULTILINE_MATCHING
$NR
$OFMT
$OFS
$ORS
$OS_ERROR
$OSNAME
$OUTPUT_AUTO_FLUSH
$OUTPUT_FIELD_SEPARATOR
$OUTPUT_RECORD_SEPARATOR
$PERL_VERSION
$PERLDB
$PID
$POSTMATCH
$PREMATCH
$PROCESS_ID
$PROGRAM_NAME
$REAL_GROUP_ID
$REAL_USER_ID
$RS
$SUBSCRIPT_SEPARATOR
$SUBSEP
$SYSTEM_FD_MAX
$UID
$WARNING
$|
$~
%!
%^H
%ENV
%INC
%OVERLOAD
%SIG
@+
@-
@_
@ARGV
@INC
@LAST_MATCH_START

## File Handles

ARGV
ARGVOUT
STDERR
STDIN
STDOUT

## Misc

%+
%-
1
2
3
4
5
6
7
8
9
:bytes
:crlf
:mmap
:perlio
:pop
:raw
:stdio
:unix
:utf8
:win32
@F
_
__DIE__
__WARN__
a
abs2rel
ACCUMULATOR
ARG
b
back
basename
BASETIME
begin
builder
can
can_ok
canonpath
carp
case_tolerant
catdir
catfile
catpath
CHILD_ERROR
CHILD_ERROR_NATIVE
CLEAR
CLOSE
cluck
cmp_ok
COMPILING
confess
copy
cp
croak
curdir
cut
DATA
DEBUGGING
DELETE
devnull
diag
dirname
EFFECTIVE_GROUP_ID
EFFECTIVE_USER_ID
EGID
ENCODING
end
ENV
eq_array
eq_hash
eq_set
ERRNO
EUID
EVAL_ERROR
EXCEPTIONS_BEING_CAUGHT
EXECUTABLE_NAME
EXISTS
EXTEND
EXTENDED_OS_ERROR
fail
FETCH
FETCHSIZE
file_name_is_absolute
fileparse
fileparse_set_fstype
find
finddepth
FIRSTKEY
FORMAT_FORMFEED
FORMAT_LINE_BREAK_CHARACTERS
FORMAT_LINES_LEFT
FORMAT_LINES_PER_PAGE
FORMAT_NAME
FORMAT_PAGE_NUMBER
FORMAT_TOP_NAME
freeze
GETC
GetOptions
GID
head1
head2
head3
head4
HOME
INC
INPLACE_EDIT
INPUT_LINE_NUMBER
INPUT_RECORD_SEPARATOR
is
is_deeply
ISA
isa
isa_ok
isnt
item
LAST_MATCH_END
LAST_MATCH_START
LAST_PAREN_MATCH
LAST_REGEXP_CODE_RESULT
LAST_SUBMATCH_RESULT
like
LIST_SEPARATOR
LOGDIR
longmess
MATCH
mkdtemp
mkpath
mkstemp
mkstemps
mktemp
move
MULTILINE_MATCHING
mv
NEXTKEY
no_upwards
NR
OFS
ok
OPEN
ORS
OS_ERROR
OSNAME
OUTPUT_AUTOFLUSH
OUTPUT_FIELD_SEPARATOR
OUTPUT_RECORD_SEPARATOR
over
pass
PATH
path
PERL5DB
PERL5DB_THREADED
PERL5LIB
PERL5OPT
PERL5SHELL
PERL_ALLOW_NON_IFS_LSP
PERL_DEBUG_MSTATS
PERL_DESTRUCT_LEVEL
PERL_DL_NONLAZY
PERL_ENCODING
PERL_HASH_SEED
PERL_HASH_SEED_DEBUG
PERL_ROOT
PERL_SIGNALS
PERL_UNICODE
PERL_VERSION
PERLDB
PERLIO
PERLIO_DEBUG
PERLLIB
PID
plan
pod
POP
POSTMATCH
PREMATCH
PRINT
PRINTF
PROCESS_ID
PROGRAM_NAME
PUSH
RE_DEBUG_FLAGS
RE_TRIE_MAXBUF
READ
READLINE
REAL_GROUP_ID
REAL_USER_ID
rel2abs
require_ok
rmscopy
rmtree
rootdir
RS
safe_level
SHIFT
shortmess
SIG
skip
SKIP:
SPLICE
splitdir
splitpath
STORE
STORESIZE
SUBSCRIPT_SEPARATOR
SUBSEP
SYSTEM_FD_MAX
TAINT
tempdir
tempfile
thaw
TIEARRAY
TIEHANDLE
TIEHASH
TIESCALAR
tmpdir
tmpfile
tmpnam
TODO:
todo_skip
UID
UNICODE
unlike
unlink0
UNSHIFT
UNTIE
updir
use_ok
UTF8CACHE
UTF8LOCALE
VERSION
WARNING
WARNING_BITS
WIN32_SLOPPY_STAT
WRITE
