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