1.\" $NetBSD: seq.1,v 1.10 2018/12/17 20:10:51 christos Exp $ 2.\" 3.\" Copyright (c) 2005 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Brian Ginsbach. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.\" 31.Dd December 17, 2018 32.Dt SEQ 1 33.Os 34.Sh NAME 35.Nm seq 36.Nd print sequences of numbers 37.Sh SYNOPSIS 38.Nm 39.Op Fl w 40.Op Fl f Ar format 41.Op Fl s Ar string 42.Op Fl t Ar string 43.Op Ar first Op Ar incr 44.Ar last 45.Sh DESCRIPTION 46The 47.Nm 48utility prints a sequence of numbers, one per line 49.Pq default , 50from 51.Ar first 52.Pq default 1 , 53to near 54.Ar last 55as possible, in increments of 56.Ar incr 57.Pq default 1 . 58When 59.Ar first 60is larger than 61.Ar last , 62the default 63.Ar incr 64is -1. 65.Pp 66All numbers are interpreted as floating point. 67.Pp 68Normally integer values are printed as decimal integers. 69.Pp 70The 71.Nm 72utility accepts the following options: 73.Bl -tag -width Ar 74.It Fl f Ar format 75Use a 76.Xr printf 3 77style 78.Ar format 79to print each number. 80Only the 81.Cm A , 82.Cm a , 83.Cm E , 84.Cm e , 85.Cm F , 86.Cm f , 87.Cm G , 88.Cm g , 89and 90.Cm % 91conversion characters are valid, along with any optional 92flags and an optional numeric mimimum field width or precision. 93The 94.Ar format 95can contain character escape sequences in backslash notation as 96defined in 97.St -ansiC . 98The default is 99.Cm %g . 100.It Fl s Ar string 101Use 102.Ar string 103to separate numbers. 104The 105.Ar string 106can contain character escape sequences in backslash notation as 107defined in 108.St -ansiC . 109The default is 110.Cm \en . 111.It Fl t Ar string 112Use 113.Ar string 114to terminate sequence of numbers. 115The 116.Ar string 117can contain character escape sequences in backslash notation as 118defined in 119.St -ansiC . 120The default is 121.Cm \en . 122.It Fl w 123Equalize the widths of all numbers by padding with zeros as necessary. 124This option has no effect with the 125.Fl f 126option. 127If any sequence numbers will be printed in exponential notation, 128the default conversion is changed to 129.Cm %e . 130.El 131.Sh EXIT STATUS 132.Ex -std 133.Sh EXAMPLES 134.Bd -literal -offset indent 135# seq 1 3 1361 1372 1383 139 140# seq 3 1 1413 1422 1431 144 145# seq -w 0 .05 .1 1460.00 1470.05 1480.10 149.Ed 150.Sh SEE ALSO 151.Xr jot 1 , 152.Xr printf 1 , 153.Xr printf 3 154.Sh HISTORY 155The 156.Nm 157command first appeared in Version\~8 158.At . 159A 160.Nm 161command appeared in 162.Nx 3.0 . 163This command was based on the command of the same name in 164.Tn "Plan 9 from Bell Labs" 165and the 166.Tn GNU 167core utilities. 168The 169.Tn GNU 170.Nm 171command first appeared in the 1.13 shell utilities release. 172.Sh BUGS 173The 174.Fl w 175option does not handle the transition from pure floating point 176to exponent representation very well. 177The 178.Nm 179command is not bug for bug compatible with other implementations. 180