1.\" Copyright (c) 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the Institute of Electrical and Electronics Engineers, Inc. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 4. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" @(#)wc.1 8.2 (Berkeley) 4/19/94 32.\" $FreeBSD$ 33.\" 34.Dd November 4, 2014 35.Dt WC 1 36.Os 37.Sh NAME 38.Nm wc 39.Nd word, line, character, and byte count 40.Sh SYNOPSIS 41.Nm 42.Op Fl -libxo 43.Op Fl Lclmw 44.Op Ar 45.Sh DESCRIPTION 46The 47.Nm 48utility displays the number of lines, words, and bytes contained in each 49input 50.Ar file , 51or standard input (if no file is specified) to the standard output. 52A line is defined as a string of characters delimited by a 53.Aq newline 54character. 55Characters beyond the final 56.Aq newline 57character will not be included 58in the line count. 59.Pp 60A word is defined as a string of characters delimited by white space 61characters. 62White space characters are the set of characters for which the 63.Xr iswspace 3 64function returns true. 65If more than one input file is specified, a line of cumulative counts 66for all the files is displayed on a separate line after the output for 67the last file. 68.Pp 69The following options are available: 70.Bl -tag -width indent 71.It Fl L 72The number of characters in the longest input line 73is written to the standard output. 74When more then one 75.Ar file 76argument is specified, the longest input line of 77.Em all 78files is reported as the value of the final 79.Dq total . 80.It Fl c 81The number of bytes in each input file 82is written to the standard output. 83This will cancel out any prior usage of the 84.Fl m 85option. 86.It Fl l 87The number of lines in each input file 88is written to the standard output. 89.It Fl m 90The number of characters in each input file is written to the standard output. 91If the current locale does not support multibyte characters, this 92is equivalent to the 93.Fl c 94option. 95This will cancel out any prior usage of the 96.Fl c 97option. 98.It Fl w 99The number of words in each input file 100is written to the standard output. 101.El 102.Pp 103When an option is specified, 104.Nm 105only reports the information requested by that option. 106The order of output always takes the form of line, word, 107byte, and file name. 108The default action is equivalent to specifying the 109.Fl c , l 110and 111.Fl w 112options. 113.Pp 114If no files are specified, the standard input is used and no 115file name is displayed. 116The prompt will accept input until receiving EOF, or 117.Bq ^D 118in most environments. 119.Sh ENVIRONMENT 120The 121.Ev LANG , LC_ALL 122and 123.Ev LC_CTYPE 124environment variables affect the execution of 125.Nm 126as described in 127.Xr environ 7 . 128.Sh EXIT STATUS 129.Ex -std 130.Sh EXAMPLES 131Count the number of characters, words and lines in each of the files 132.Pa report1 133and 134.Pa report2 135as well as the totals for both: 136.Pp 137.Dl "wc -mlw report1 report2" 138.Pp 139Find the longest line in a list of files: 140.Pp 141.Dl "wc -L file1 file2 file3 | fgrep total" 142.Sh COMPATIBILITY 143Historically, the 144.Nm 145utility was documented to define a word as a 146.Do 147maximal string of 148characters delimited by <space>, <tab> or <newline> characters 149.Dc . 150The implementation, however, did not handle non-printing characters 151correctly so that 152.Dq Li "\ \ ^D^E\ \ " 153counted as 6 spaces, while 154.Dq Li foo^D^Ebar 155counted as 8 characters. 156.Bx 4 157systems after 158.Bx 4.3 159modified the implementation to be consistent 160with the documentation. 161This implementation defines a 162.Dq word 163in terms of the 164.Xr iswspace 3 165function, as required by 166.St -p1003.2 . 167.Pp 168The 169.Fl L 170option is a non-standard 171.Fx 172extension, compatible with the 173.Fl L 174option of the GNU 175.Nm 176utility. 177.Sh SEE ALSO 178.Xr iswspace 3 , 179.Xr libxo 3 , 180.Xr xo_parse_args 3 181.Sh STANDARDS 182The 183.Nm 184utility conforms to 185.St -p1003.1-2001 . 186.Sh HISTORY 187A 188.Nm 189command appeared in 190.At v1 . 191