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 , 90.Fl l 91and 92.Fl w 93options. 94.Pp 95If no files are specified, the standard input is used and no 96file name is displayed. 97.Sh ENVIRONMENT 98The 99.Ev LANG , 100.Ev LC_ALL 101and 102.Ev LC_CTYPE 103environment variables affect the execution of 104.Nm 105as described in 106.Xr environ 7 . 107.Sh EXAMPLES 108Count the number of characters, words and lines in each of the files 109.Pa report1 110and 111.Pa report2 112as well as the totals for both: 113.Pp 114.Dl "wc -mlw report1 report2" 115.Sh DIAGNOSTICS 116.Ex -std 117.Sh SEE ALSO 118.Xr iswspace 3 119.Sh COMPATIBILITY 120Historically, the 121.Nm 122utility was documented to define a word as a ``maximal string of 123characters delimited by <space>, <tab> or <newline> characters''. 124The implementation, however, didn't handle non-printing characters 125correctly so that `` ^D^E '' counted as 6 spaces, while ``foo^D^Ebar'' 126counted as 8 characters. 127.Bx 4 128systems after 129.Bx 4.3 130modified the implementation to be consistent 131with the documentation. 132This implementation defines a ``word'' in terms of the 133.Xr iswspace 3 134function, as required by 135.St -p1003.2 . 136.Sh STANDARDS 137The 138.Nm 139utility conforms to 140.St -p1003.1-2001 . 141.Sh HISTORY 142A 143.Nm 144command appeared in 145.At v1 . 146