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 April 19, 1994 39.Dt WC 1 40.Os 41.Sh NAME 42.Nm wc 43.Nd word, line, and byte count 44.Sh SYNOPSIS 45.Nm 46.Op Fl clw 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 isspace 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 w 75The number of words in each input file 76is written to the standard output. 77.El 78.Pp 79When an option is specified, 80.Nm 81only reports the information requested by that option. 82The default action is equivalent to specifying all of the flags. 83.Pp 84If no files are specified, the standard input is used and no 85file name is displayed. 86.Sh DIAGNOSTICS 87.Ex -std 88.Sh SEE ALSO 89.Xr isspace 3 90.Sh COMPATIBILITY 91Historically, the 92.Nm 93utility was documented to define a word as a ``maximal string of 94characters delimited by <space>, <tab> or <newline> characters''. 95The implementation, however, didn't handle non-printing characters 96correctly so that `` ^D^E '' counted as 6 spaces, while ``foo^D^Ebar'' 97counted as 8 characters. 98.Bx 4 99systems after 100.Bx 4.3 101modified the implementation to be consistent 102with the documentation. 103This implementation defines a ``word'' in terms of the 104.Xr isspace 3 105function, as required by 106.St -p1003.2 . 107.Sh STANDARDS 108The 109.Nm 110function conforms to 111.St -p1003.2 . 112.Sh HISTORY 113A 114.Nm 115command appeared in 116.At v1 . 117