Annotation of src/usr.bin/seq/seq.1, Revision 1.1
1.1 ! millert 1: .\" $OpenBSD$
! 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
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! 30: .Dd $Mdocdate$
! 31: .Dt SEQ 1
! 32: .Os
! 33: .Sh NAME
! 34: .Nm seq
! 35: .Nd print sequences of numbers
! 36: .Sh SYNOPSIS
! 37: .Nm
! 38: .Op Fl w
! 39: .Op Fl f Ar format
! 40: .Op Fl s Ar string
! 41: .Op Ar first Op Ar incr
! 42: .Ar last
! 43: .Sh DESCRIPTION
! 44: The
! 45: .Nm
! 46: utility prints a sequence of numbers, one per line
! 47: .Pq default ,
! 48: from
! 49: .Ar first
! 50: .Pq default 1 ,
! 51: to near
! 52: .Ar last
! 53: as possible, in increments of
! 54: .Ar incr
! 55: .Pq default 1 .
! 56: When
! 57: .Ar first
! 58: is larger than
! 59: .Ar last ,
! 60: the default
! 61: .Ar incr
! 62: is -1.
! 63: .Pp
! 64: All numbers are interpreted as floating point.
! 65: .Pp
! 66: Normally, integer values are printed as decimal integers.
! 67: .Pp
! 68: The
! 69: .Nm
! 70: utility accepts the following options:
! 71: .Bl -tag -width Ar
! 72: .It Fl f Ar format , Fl -format Ar format
! 73: Use a
! 74: .Xr printf 3
! 75: style
! 76: .Ar format
! 77: to print each number.
! 78: Only the
! 79: .Cm A ,
! 80: .Cm a ,
! 81: .Cm E ,
! 82: .Cm e ,
! 83: .Cm F ,
! 84: .Cm f ,
! 85: .Cm G ,
! 86: .Cm g ,
! 87: and
! 88: .Cm %
! 89: conversion characters are valid, along with any optional
! 90: flags and an optional numeric minimum field width or precision.
! 91: The
! 92: .Ar format
! 93: can contain character escape sequences in backslash notation as
! 94: defined in
! 95: .St -ansiC .
! 96: The default is
! 97: .Cm %g .
! 98: .It Fl s Ar string , Fl -separator Ar string
! 99: Use
! 100: .Ar string
! 101: to separate numbers.
! 102: The
! 103: .Ar string
! 104: can contain character escape sequences in backslash notation as
! 105: defined in
! 106: .St -ansiC .
! 107: The default is
! 108: .Cm \en .
! 109: .It Fl w , Fl -fixed-width
! 110: Equalize the widths of all numbers by padding with zeros as necessary.
! 111: This option has no effect with the
! 112: .Fl f
! 113: option.
! 114: If any sequence numbers will be printed in exponential notation,
! 115: the default conversion is changed to
! 116: .Cm %e .
! 117: .It Fl -help
! 118: Display the program usage and exit.
! 119: .It Fl -version
! 120: Display the verion number and exit.
! 121: .El
! 122: .Sh EXIT STATUS
! 123: .Ex -std
! 124: .Sh EXAMPLES
! 125: Generate a sequence from 1 to 3 (inclusive) with a default increment of 1:
! 126: .Bd -literal -offset indent
! 127: # seq 1 3
! 128: 1
! 129: 2
! 130: 3
! 131: .Ed
! 132: .Pp
! 133: Generate a sequence from 3 to 1 (inclusive) with a default increment of -1:
! 134: .Bd -literal -offset indent
! 135: # seq 3 1
! 136: 3
! 137: 2
! 138: 1
! 139: .Ed
! 140: .Pp
! 141: Generate a sequence from 0 to 0.1 (inclusive) with an increment of 0.05 and padding
! 142: with leading zeroes.
! 143: .Bd -literal -offset indent
! 144: # seq -w 0 .05 .1
! 145: 0.00
! 146: 0.05
! 147: 0.10
! 148: .Ed
! 149: .Pp
! 150: Generate a sequence from 1 to 3 (inclusive) with a default increment of 1,
! 151: and a custom separator string:
! 152: .Bd -literal -offset indent
! 153: # seq -s " " 1 3
! 154: 1 2 3
! 155: .Ed
! 156: .Pp
! 157: Generate a sequence from 1 to 2 (inclusive) with an increment of 0.2 and
! 158: print the results with two digits after the decimal point (using a
! 159: .Xr printf 3
! 160: style format):
! 161: .Bd -literal -offset indent
! 162: # seq -f %.2f 1 0.2 2
! 163: 1.00
! 164: 1.20
! 165: 1.40
! 166: 1.60
! 167: 1.80
! 168: 2.00
! 169: .Ed
! 170: .Sh SEE ALSO
! 171: .Xr jot 1 ,
! 172: .Xr printf 1 ,
! 173: .Xr printf 3
! 174: .Sh HISTORY
! 175: A
! 176: .Nm
! 177: command appeared in
! 178: .At v8 .
! 179: This version of
! 180: .Nm
! 181: appeared in
! 182: .Nx 3.0
! 183: and was ported to
! 184: .Ox 7.1 .
! 185: It was based on the command of the same name in
! 186: Plan 9 from Bell Labs and the GNU core utilities.
! 187: The GNU
! 188: .Nm
! 189: command first appeared in the 1.13 shell utilities release.
! 190: .Sh BUGS
! 191: The
! 192: .Fl w
! 193: option does not handle the transition from pure floating point
! 194: to exponent representation very well.
! 195: The
! 196: .Nm
! 197: utility is not bug for bug compatible with other implementations.
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