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.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the University of 18.\" California, Berkeley and its contributors. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" @(#)wc.1 8.2 (Berkeley) 4/19/94 36.\" $FreeBSD$ 37.\" 38.Dd February 23, 2005 39.Dt WC 1 40.Os 41.Sh NAME 42.Nm wc 43.Nd word, line, character, and byte count 44.Sh SYNOPSIS 45.Nm 46.Op Fl clmw 47.Op Ar 48.Sh DESCRIPTION 49The 50.Nm 51utility displays the number of lines, words, and bytes contained in each 52input 53.Ar file , 54or standard input (if no file is specified) to the standard output. 55A line is defined as a string of characters delimited by a 56.Aq newline 57character. 58Characters beyond the final 59.Aq newline 60character will not be included 61in the line count. 62.Pp 63A word is defined as a string of characters delimited by white space 64characters. 65White space characters are the set of characters for which the 66.Xr iswspace 3 67function returns true. 68If more than one input file is specified, a line of cumulative counts 69for all the files is displayed on a separate line after the output for 70the last file. 71.Pp 72The following options are available: 73.Bl -tag -width indent 74.It Fl c 75The number of bytes in each input file 76is written to the standard output. 77This will cancel out any prior usage of the 78.Fl m 79option. 80.It Fl l 81The number of lines in each input file 82is written to the standard output. 83.It Fl m 84The number of characters in each input file is written to the standard output. 85If the current locale does not support multibyte characters, this 86is equivalent to the 87.Fl c 88option. 89This will cancel out any prior usage of the 90.Fl c 91option. 92.It Fl w 93The number of words in each input file 94is written to the standard output. 95.El 96.Pp 97When an option is specified, 98.Nm 99only reports the information requested by that option. 100The order of output always takes the form of line, word, 101byte, and file name. 102The default action is equivalent to specifying the 103.Fl c , l 104and 105.Fl w 106options. 107.Pp 108If no files are specified, the standard input is used and no 109file name is displayed. 110The prompt will accept input until receiving EOF, or 111.Bq ^D 112in most environments. 113.Sh ENVIRONMENT 114The 115.Ev LANG , LC_ALL 116and 117.Ev LC_CTYPE 118environment variables affect the execution of 119.Nm 120as described in 121.Xr environ 7 . 122.Sh EXIT STATUS 123.Ex -std 124.Sh EXAMPLES 125Count the number of characters, words and lines in each of the files 126.Pa report1 127and 128.Pa report2 129as well as the totals for both: 130.Pp 131.Dl "wc -mlw report1 report2" 132.Sh COMPATIBILITY 133Historically, the 134.Nm 135utility was documented to define a word as a 136.Do 137maximal string of 138characters delimited by <space>, <tab> or <newline> characters 139.Dc . 140The implementation, however, did not handle non-printing characters 141correctly so that 142.Dq Li "\ \ ^D^E\ \ " 143counted as 6 spaces, while 144.Dq Li foo^D^Ebar 145counted as 8 characters. 146.Bx 4 147systems after 148.Bx 4.3 149modified the implementation to be consistent 150with the documentation. 151This implementation defines a 152.Dq word 153in terms of the 154.Xr iswspace 3 155function, as required by 156.St -p1003.2 . 157.Sh SEE ALSO 158.Xr iswspace 3 159.Sh STANDARDS 160The 161.Nm 162utility conforms to 163.St -p1003.1-2001 . 164.Sh HISTORY 165A 166.Nm 167command appeared in 168.At v1 . 169