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 June 13, 2002 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 54(or standard input, by default) to the standard output. 55A line is defined as a string of characters delimited by a <newline> 56character, 57and a word is defined as a string of characters delimited by white space 58characters. 59White space characters are the set of characters for which the 60.Xr iswspace 3 61function returns true. 62If more than one input file is specified, a line of cumulative counts 63for all the files is displayed on a separate line after the output for 64the last file. 65.Pp 66The following options are available: 67.Bl -tag -width Ds 68.It Fl c 69The number of bytes in each input file 70is written to the standard output. 71.It Fl l 72The number of lines in each input file 73is written to the standard output. 74.It Fl m 75The number of characters in each input file is written to the standard output. 76If the current locale does not support multibyte characters, this 77is equivalent to the 78.Fl c 79option. 80.It Fl w 81The number of words in each input file 82is written to the standard output. 83.El 84.Pp 85When an option is specified, 86.Nm 87only reports the information requested by that option. 88The default action is equivalent to specifying the 89.Fl c , l 90and 91.Fl w 92options. 93.Pp 94If no files are specified, the standard input is used and no 95file name is displayed. 96.Sh ENVIRONMENT 97The 98.Ev LANG , LC_ALL 99and 100.Ev LC_CTYPE 101environment variables affect the execution of 102.Nm 103as described in 104.Xr environ 7 . 105.Sh EXAMPLES 106Count the number of characters, words and lines in each of the files 107.Pa report1 108and 109.Pa report2 110as well as the totals for both: 111.Pp 112.Dl "wc -mlw report1 report2" 113.Sh DIAGNOSTICS 114.Ex -std 115.Sh SEE ALSO 116.Xr iswspace 3 117.Sh COMPATIBILITY 118Historically, the 119.Nm 120utility was documented to define a word as a ``maximal string of 121characters delimited by <space>, <tab> or <newline> characters''. 122The implementation, however, didn't handle non-printing characters 123correctly so that `` ^D^E '' counted as 6 spaces, while ``foo^D^Ebar'' 124counted as 8 characters. 125.Bx 4 126systems after 127.Bx 4.3 128modified the implementation to be consistent 129with the documentation. 130This implementation defines a ``word'' in terms of the 131.Xr iswspace 3 132function, as required by 133.St -p1003.2 . 134.Sh STANDARDS 135The 136.Nm 137utility conforms to 138.St -p1003.1-2001 . 139.Sh HISTORY 140A 141.Nm 142command appeared in 143.At v1 . 144