| dc.1 (256281) | dc.1 (265533) |
|---|---|
| 1.\" $FreeBSD: stable/10/usr.bin/dc/dc.1 235400 2012-05-13 14:16:04Z joel $ 2.\" $OpenBSD: dc.1,v 1.24 2010/01/02 19:48:56 schwarze Exp $ | 1.\" $FreeBSD: stable/10/usr.bin/dc/dc.1 265533 2014-05-07 08:06:54Z delphij $ 2.\" $OpenBSD: dc.1,v 1.27 2012/08/19 12:07:21 jmc Exp $ |
| 3.\" 4.\" Copyright (C) Caldera International Inc. 2001-2002. 5.\" All rights reserved. 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 and documentation must retain the above --- 19 unchanged lines hidden (view full) --- 30.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 32.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 33.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34.\" POSSIBILITY OF SUCH DAMAGE. 35.\" 36.\" @(#)dc.1 8.1 (Berkeley) 6/6/93 37.\" | 3.\" 4.\" Copyright (C) Caldera International Inc. 2001-2002. 5.\" All rights reserved. 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 and documentation must retain the above --- 19 unchanged lines hidden (view full) --- 30.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 32.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 33.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34.\" POSSIBILITY OF SUCH DAMAGE. 35.\" 36.\" @(#)dc.1 8.1 (Berkeley) 6/6/93 37.\" |
| 38.Dd January 22, 2010 | 38.Dd April 16, 2014 |
| 39.Dt DC 1 40.Os 41.Sh NAME 42.Nm dc 43.Nd desk calculator 44.Sh SYNOPSIS 45.Nm 46.Op Fl hxV --- 21 unchanged lines hidden (view full) --- 68The options are as follows: 69.Bl -tag -width Ds 70.It Fl e Ar expr , Fl Fl expression Ar expr 71Evaluate 72.Ar expression . 73If multiple 74.Fl e 75options are specified, they will be processed in the order given. | 39.Dt DC 1 40.Os 41.Sh NAME 42.Nm dc 43.Nd desk calculator 44.Sh SYNOPSIS 45.Nm 46.Op Fl hxV --- 21 unchanged lines hidden (view full) --- 68The options are as follows: 69.Bl -tag -width Ds 70.It Fl e Ar expr , Fl Fl expression Ar expr 71Evaluate 72.Ar expression . 73If multiple 74.Fl e 75options are specified, they will be processed in the order given. |
| 76If no 77.Ar filename 78argument is given, execution will stop after processing the expressions 79given on the command line, 80otherwise processing will continue with the contents of 81.Ar filename . | |
| 82.It Fl f Ar filename , Fl Fl file Ar filename 83Process the content of the given file before further calculations are done. 84If multiple 85.Fl f 86options are specified, they will be processed in the order given. 87.It Fl h , Fl Fl help 88Print short usage info. 89.It Fl V , Fl Fl version 90Print version info. 91.It Fl x 92Enable extended register mode. 93This mode is used by 94.Xr bc 1 95to allow more than 256 registers. 96See 97.Sx Registers 98for a more detailed description. 99.El 100.Pp | 76.It Fl f Ar filename , Fl Fl file Ar filename 77Process the content of the given file before further calculations are done. 78If multiple 79.Fl f 80options are specified, they will be processed in the order given. 81.It Fl h , Fl Fl help 82Print short usage info. 83.It Fl V , Fl Fl version 84Print version info. 85.It Fl x 86Enable extended register mode. 87This mode is used by 88.Xr bc 1 89to allow more than 256 registers. 90See 91.Sx Registers 92for a more detailed description. 93.El 94.Pp |
| 95If neither 96.Ar expression 97nor 98.Ar file 99are specified on the command line, 100.Nm 101reads from the standard input. 102Otherwise 103.Ar expression 104and 105.Ar file 106are processed and 107.Nm 108exits. 109.Pp |
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| 101Ordinarily, 102.Nm 103operates on decimal integers, 104but one may specify an input base, output base, 105and a number of fractional digits (scale) to be maintained. | 110Ordinarily, 111.Nm 112operates on decimal integers, 113but one may specify an input base, output base, 114and a number of fractional digits (scale) to be maintained. |
| 106If an argument is given, 107input is taken from that file until its end, 108then from the standard input. | |
| 109Whitespace is ignored, except where it signals the end of a number, 110end of a line or when a register name is expected. 111The following constructions are recognized: 112.Bl -tag -width "number" 113.It Va number 114The value of the number is pushed on the stack. 115A number is an unbroken string of the digits 0\-9 and letters A\-F. 116It may be preceded by an underscore --- 432 unchanged lines hidden --- | 115Whitespace is ignored, except where it signals the end of a number, 116end of a line or when a register name is expected. 117The following constructions are recognized: 118.Bl -tag -width "number" 119.It Va number 120The value of the number is pushed on the stack. 121A number is an unbroken string of the digits 0\-9 and letters A\-F. 122It may be preceded by an underscore --- 432 unchanged lines hidden --- |