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. 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: src/usr.bin/wc/wc.1,v 1.6.2.4 2002/08/25 02:47:04 tjr Exp $ 33.\" $DragonFly: src/usr.bin/wc/wc.1,v 1.3 2006/02/17 19:39:16 swildner Exp $ 34.\" 35.Dd June 13, 2002 36.Dt WC 1 37.Os 38.Sh NAME 39.Nm wc 40.Nd word, line, character, and byte count 41.Sh SYNOPSIS 42.Nm 43.Op Fl clmw 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 51(or standard input, by default) to the standard output. 52A line is defined as a string of characters delimited by a <newline> 53character, 54and a word is defined as a string of characters delimited by white space 55characters. 56White space characters are the set of characters for which the 57.Xr isspace 3 58function returns true. 59If more than one input file is specified, a line of cumulative counts 60for all the files is displayed on a separate line after the output for 61the last file. 62.Pp 63The following options are available: 64.Bl -tag -width Ds 65.It Fl c 66The number of bytes in each input file 67is written to the standard output. 68.It Fl l 69The number of lines in each input file 70is written to the standard output. 71.It Fl m 72The number of characters in each input file is written to the standard output. 73If the current locale does not support multibyte characters, this 74is equivalent to the 75.Fl c 76option. 77.It Fl w 78The number of words in each input file 79is written to the standard output. 80.El 81.Pp 82When an option is specified, 83.Nm 84only reports the information requested by that option. 85The default action is equivalent to specifying the 86.Fl c , 87.Fl l 88and 89.Fl w 90options. 91.Pp 92If no files are specified, the standard input is used and no 93file name is displayed. 94.Sh ENVIRONMENT 95The 96.Ev LANG , 97.Ev LC_ALL 98and 99.Ev LC_CTYPE 100environment variables affect the execution of 101.Nm 102as described in 103.Xr environ 7 . 104.Sh EXIT STATUS 105.Ex -std 106.Sh EXAMPLES 107Count the number of characters, words and lines in each of the files 108.Pa report1 109and 110.Pa report2 111as well as the totals for both: 112.Pp 113.Dl "wc -mlw report1 report2" 114.Sh COMPATIBILITY 115Historically, the 116.Nm 117utility was documented to define a word as a ``maximal string of 118characters delimited by <space>, <tab> or <newline> characters''. 119The implementation, however, didn't handle non-printing characters 120correctly so that `` ^D^E '' counted as 6 spaces, while ``foo^D^Ebar'' 121counted as 8 characters. 122.Bx 4 123systems after 124.Bx 4.3 125modified the implementation to be consistent 126with the documentation. 127This implementation defines a ``word'' in terms of the 128.Xr isspace 3 129function, as required by 130.St -p1003.2 . 131.Sh SEE ALSO 132.Xr isspace 3 133.Sh STANDARDS 134The 135.Nm 136utility conforms to 137.St -p1003.1-2001 . 138.Sh HISTORY 139A 140.Nm 141command appeared in 142.At v1 . 143