Table of Contents

Core Modules
Functions
- -X
- abs
- accept
- alarm
- and
- atan2
- AUTOLOAD
- BEGIN
- bind
- binmode
- bless
- break
- caller
- chdir
- CHECK
- chmod
- chomp
- chop
- chown
- chr
- chroot
- close
- closedir
- cmp
- connect
- continue
- cos
- crypt
- dbmclose
- dbmopen
- default
- defined
- delete
- DESTROY
- die
- do
- dump
- each
- else
- elseif
- elsif
- END
- endgrent
- endhostent
- endnetent
- endprotoent
- endpwent
- endservent
- eof
- eq
- eval
- evalbytes
- exec
- exists
- exit
- exp
- fc
- fcntl
- fileno
- flock
- for
- foreach
- fork
- format
- formline
- ge
- 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
- given
- glob
- gmtime
- goto
- grep
- gt
- hex
- if
- import
- index
- INIT
- int
- ioctl
- join
- keys
- kill
- last
- lc
- lcfirst
- le
- length
- link
- listen
- local
- localtime
- lock
- log
- lstat
- lt
- m
- map
- mkdir
- msgctl
- msgget
- msgrcv
- msgsnd
- my
- ne
- next
- no
- not
- oct
- open
- opendir
- or
- ord
- our
- pack
- package
- pipe
- pop
- pos
- print
- printf
- prototype
- push
- q
- qq
- qr
- quotemeta
- qw
- qx
- rand
- read
- readdir
- readline
- readlink
- readpipe
- recv
- redo
- ref
- rename
- require
- reset
- return
- reverse
- rewinddir
- rindex
- rmdir
- s
- 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
- sub
- substr
- symlink
- syscall
- sysopen
- sysread
- sysseek
- system
- syswrite
- tell
- telldir
- tie
- tied
- time
- times
- tr
- truncate
- uc
- ucfirst
- umask
- undef
- UNITCHECK
- unless
- unlink
- unpack
- unshift
- untie
- until
- use
- utime
- values
- vec
- wait
- waitpid
- wantarray
- warn
- when
- while
- write
- x
- xor
- y
- __DATA__
- __END__
- __FILE__
- __LINE__
- __PACKAGE__
- __SUB__
Internals
- perlapi
- perlapio
- perlcall
- perlclib
- perldebguts
- perlembed
- perlguts
- perlhack
- perlhacktips
- perlhacktut
- perlintern
- perlinterp
- perliol
- perlmroapi
- perlpolicy
- perlreapi
- perlreguts
- perlrepository
- perlsource
- perlxs
- perlxstut
- perlxstypemap
Language
- CORE
- perldata
- perldbmfilter
- perldebug
- perldiag
- perldtrace
- perlebcdic
- perlexperiment
- perlfilter
- perlfork
- perlform
- perlfunc
- perlglossary
- perlipc
- perllexwarn
- perllocale
- perlmod
- perlmodinstall
- perlmodlib
- perlmodstyle
- perlnewmod
- perlnumber
- perlobj
- perlperf
- perlpod
- perlpodspec
- perlpodstyle
- perlport
- perlre
- perlrebackslash
- perlrecharclass
- perlref
- perlreref
- perlsec
- perlsub
- perlsyn
- perltie
- perlunicode
- perlunicook
- perluniintro
- perluniprops
Manual: FAQs
- perlfaq
- perlfaq1
- perlfaq2
- perlfaq3
- perlfaq4
- perlfaq5
- perlfaq6
- perlfaq7
- perlfaq8
- perlfaq9
- perlunifaq
Manual: Overview
- perl
- perlbook
- perlcommunity
- perlintro
- perlrun
Manual: Tutorials
- perlboot
- perlbot
- perlcheat
- perldebtut
- perldsc
- perllol
- perlootut
- perlopentut
- perlpacktut
- perlpragma
- perlreftut
- perlrequick
- perlretut
- perlstyle
- perlthrtut
- perltooc
- perltoot
- perltrap
- perlunitut
Operators
Platform Specific
- perlaix
- perlamiga
- perlbs2000
- perlce
- perlcygwin
- perldos
- perlfreebsd
- perlhaiku
- perlhpux
- perlhurd
- perlirix
- perllinux
- perlmacos
- perlmacosx
- perlnetware
- perlopenbsd
- perlos2
- perlos390
- perlos400
- perlplan9
- perlqnx
- perlriscos
- perlsolaris
- perlsymbian
- perltru64
- perlvms
- perlvos
- perlwin32
Pragmas
- attributes
- autodie
- autouse
- base
- bigint
- bignum
- bigrat
- blib
- bytes
- charnames
- constant
- diagnostics
- encoding
- feature
- fields
- filetest
- if
- integer
- less
- lib
- locale
- mro
- open
- ops
- overload
- overloading
- parent
- re
- sigtrap
- sort
- strict
- subs
- threads
- threads::shared
- utf8
- vars
- vmsish
- warnings
- warnings::register
Utilities
- a2p
- c2ph
- config_data
- corelist
- enc2xs
- find2perl
- h2ph
- h2xs
- instmodsh
- libnetcfg
- perlbug
- perldoc
- perlivp
- perlthanks
- perlutil
- piconv
- pod2html
- pod2man
- pod2text
- pod2usage
- podchecker
- podselect
- prove
- psed
- pstruct
- ptar
- ptardiff
- s2p
- shasum
- splain
- xsubpp
Variables
- $!
- $"
- $#
- $$
- $%
- $&
- $'
- $(
- $)
- $*
- $+
- $,
- $-
- $.
- $/
- $0
- $:
- $;
- $<
- $<digits> ($1, $2, ...)
- $=
- $>
- $?
- $@
- $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_LINES_LEFT
- $FORMAT_LINES_PER_PAGE
- $FORMAT_LINE_BREAK_CHARACTERS
- $FORMAT_NAME
- $FORMAT_PAGE_NUMBER
- $FORMAT_TOP_NAME
- $GID
- $INPLACE_EDIT
- $INPUT_LINE_NUMBER
- $INPUT_RECORD_SEPARATOR
- $LAST_PAREN_MATCH
- $LAST_REGEXP_CODE_RESULT
- $LAST_SUBMATCH_RESULT
- $LIST_SEPARATOR
- $MATCH
- $NR
- $OFS
- $ORS
- $OSNAME
- $OS_ERROR
- $OUTPUT_AUTOFLUSH
- $OUTPUT_FIELD_SEPARATOR
- $OUTPUT_RECORD_SEPARATOR
- $PERLDB
- $PERL_VERSION
- $PID
- $POSTMATCH
- $PREMATCH
- $PROCESS_ID
- $PROGRAM_NAME
- $REAL_GROUP_ID
- $REAL_USER_ID
- $RS
- $SUBSCRIPT_SEPARATOR
- $SUBSEP
- $SYSTEM_FD_MAX
- $UID
- $WARNING
- $[
- $\
- $]
- $^
- $^A
- $^C
- $^D
- $^E
- $^F
- $^H
- $^I
- $^L
- $^M
- $^N
- $^O
- $^P
- $^R
- $^S
- $^T
- $^V
- $^W
- $^X
- $_
- $`
- ${^CHILD_ERROR_NATIVE}
- ${^ENCODING}
- ${^GLOBAL_PHASE}
- ${^LAST_FH}
- ${^MATCH}
- ${^OPEN}
- ${^POSTMATCH}
- ${^PREMATCH}
- ${^RE_DEBUG_FLAGS}
- ${^RE_TRIE_MAXBUF}
- ${^TAINT}
- ${^UNICODE}
- ${^UTF8CACHE}
- ${^UTF8LOCALE}
- ${^WARNING_BITS}
- ${^WIN32_SLOPPY_STAT}
- $|
- $~
- %!
- %+
- %-
- %ENV
- %ERRNO
- %INC
- %LAST_MATCH_START
- %LAST_PAREN_MATCH
- %OS_ERROR
- %SIG
- %^H
- @+
- @-
- @ARG
- @ARGV
- @F
- @INC
- @LAST_MATCH_END
- @LAST_MATCH_START
- @_
- ARGV
- ARGVOUT
- HANDLE->autoflush( EXPR )
- HANDLE->format_lines_left(EXPR)
- HANDLE->format_lines_per_page(EXPR)
- HANDLE->format_name(EXPR)
- HANDLE->format_page_number(EXPR)
- HANDLE->format_top_name(EXPR)
- HANDLE->input_line_number( EXPR )
- IO::Handle->format_formfeed(EXPR)
- IO::Handle->format_line_break_characters EXPR
- IO::Handle->input_record_separator( EXPR )
- IO::Handle->output_field_separator( EXPR )
- IO::Handle->output_record_separator( EXPR )
- perlvar

tr

tr///

The transliteration operator. Same as y///. See Quote-Like Operators in perlop.

© 1993–2016 Larry Wall and others
Licensed under the GNU General Public License version 1 or later, or the Artistic License.
The Perl logo is a trademark of the Perl Foundation.
https://perldoc.perl.org/5.20.2/functions/tr.html