1.\" Copyright (c) 1989, 1990, 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.\" @(#)cut.1 8.1 (Berkeley) 6/6/93 36.\" $FreeBSD$ 37.\" 38.Dd June 6, 1993 39.Dt CUT 1 40.Os 41.Sh NAME 42.Nm cut 43.Nd select portions of each line of a file 44.Sh SYNOPSIS 45.Nm 46.Fl b Ar list 47.Op Fl n 48.Op Ar 49.Nm 50.Fl c Ar list 51.Op Ar 52.Nm 53.Fl f Ar list 54.Op Fl d Ar delim 55.Op Fl s 56.Op Ar 57.Sh DESCRIPTION 58The 59.Nm 60utility selects portions of each line (as specified by 61.Ar list ) 62from each 63.Ar file 64(or the standard input by default), and writes them to the 65standard output. 66The items specified by 67.Ar list 68can be in terms of column position or in terms of fields delimited 69by a special character. 70Column numbering starts from 1. 71.Pp 72.Ar list 73is a comma or whitespace separated set of increasing numbers and/or 74number ranges. 75Number ranges consist of a number, a dash 76.Pq Sq \- , 77and a second number 78and select the fields or columns from the first number to the second, 79inclusive. 80Numbers or number ranges may be preceded by a dash, which selects all 81fields or columns from 1 to the first number. 82Numbers or number ranges may be followed by a dash, which selects all 83fields or columns from the last number to the end of the line. 84Numbers and number ranges may be repeated, overlapping, and in any order. 85It is not an error to select fields or columns not present in the 86input line. 87.Pp 88The options are as follows: 89.Bl -tag -width indent 90.It Fl b Ar list 91The 92.Ar list 93specifies byte positions. 94.It Fl c Ar list 95The 96.Ar list 97specifies character positions. 98.It Fl d Ar delim 99Use the first character of 100.Ar delim 101as the field delimiter character instead of the tab character. 102.It Fl f Ar list 103The 104.Ar list 105specifies fields, delimited in the input by a single tab character. 106Output fields are separated by a single tab character. 107.It Fl n 108Do not split multi-byte characters. 109.It Fl s 110Suppress lines with no field delimiter characters. 111Unless specified, lines with no delimiters are passed through unmodified. 112.El 113.Pp 114The 115.Nm 116utility exits with 0 on success or 1 if an error occurred. 117.Sh SEE ALSO 118.Xr paste 1 119.Sh STANDARDS 120The 121.Nm 122utility conforms to 123.St -p1003.2-92 . 124