diff options
Diffstat (limited to 'gen/dc_help.txt')
| -rw-r--r-- | gen/dc_help.txt | 83 |
1 files changed, 80 insertions, 3 deletions
diff --git a/gen/dc_help.txt b/gen/dc_help.txt index c0bf34da..7d9e7ec2 100644 --- a/gen/dc_help.txt +++ b/gen/dc_help.txt @@ -3,7 +3,7 @@ * * SPDX-License-Identifier: BSD-2-Clause * - * Copyright (c) 2018-2021 Gavin D. Howard and contributors. + * Copyright (c) 2018-2023 Gavin D. Howard and contributors. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -37,7 +37,7 @@ usage: %s [options] [file...] dc is a reverse-polish notation command-line calculator which supports unlimited precision arithmetic. For details, use `man %s` or see the online documentation -at https://git.yzena.com/gavin/bc/src/tag/%s/manuals/bc/%s.1.md. +at https://git.gavinhoward.com/gavin/bc/src/tag/%s/manuals/bc/%s.1.md. This dc is (mostly) compatible with the OpenBSD dc and the GNU dc. See the OpenBSD man page (http://man.openbsd.org/OpenBSD-current/man1/dc.1) and the GNU @@ -72,6 +72,37 @@ This dc has a few differences from the two above: Options: + -C --no-digit-clamp + + Disables clamping of digits that are larger than or equal to the current + ibase when parsing numbers. + + This means that the value added to a number from a digit is always that + digit's value multiplied by the value of ibase raised to the power of the + digit's position, which starts from 0 at the least significant digit. + + If multiple of this option and the -c option are given, the last is used. + + -c --digit-clamp + + Enables clamping of digits that are larger than or equal to the current + ibase when parsing numbers. + + This means that digits that the value added to a number from a digit that + is greater than or equal to the ibase is the value of ibase minus 1 all + multiplied by the value of ibase raised to the power of the digit's + position, which starts from 0 at the least significant digit. + + If multiple of this option and the -C option are given, the last is used. +{{ A H N HN }} + + -E seed --seed=seed + + Sets the builtin variable seed to the given value assuming that the given + value is in base 10. It is a fatal error if the given value is not a valid + number. +{{ end }} + -e expr --expression=expr Run "expr" and quit. If multiple expressions or files (see below) are @@ -85,10 +116,26 @@ Options: Print this usage message and exit. + -I ibase --ibase=ibase + + Sets the builtin variable ibase to the given value assuming that the given + value is in base 10. It is a fatal error if the given value is not a valid + number. + -i --interactive Put dc into interactive mode. See the man page for more details. + -L --no-line-length + + Disable line length checking. + + -O obase --obase=obase + + Sets the builtin variable obase to the given value assuming that the given + value is in base 10. It is a fatal error if the given value is not a valid + number. + -P --no-prompt Disable the prompts in interactive mode. @@ -97,6 +144,12 @@ Options: Disable the read prompt in interactive mode. + -S scale --scale=scale + + Sets the builtin variable scale to the given value assuming that the given + value is in base 10. It is a fatal error if the given value is not a valid + number. + -V --version Print version and copyright and exit. @@ -105,6 +158,10 @@ Options: Enable extended register mode. + -z --leading-zeroes + + Enable leading zeroes on numbers greater than -1 and less than 1. + Environment variables: DC_ENV_ARGS @@ -114,23 +171,43 @@ Environment variables: DC_LINE_LENGTH If an integer, the number of characters to print on a line before - wrapping. + wrapping. Using 0 will disable line length checking. DC_SIGINT_RESET If an integer and non-zero, reset on SIGINT, rather than exit, when in interactive mode. + If zero, do not reset on SIGINT in all cases, but exit instead. + Overrides the default, which is %s. DC_TTY_MODE If an integer and non-zero, enable TTY mode when it is available. + If zero, disable TTY mode in all cases. + Overrides the default, which is TTY mode %s. DC_PROMPT If an integer and non-zero, enable prompt when TTY mode is possible. + If zero, disable prompt in all cases. + Overrides the default, which is prompt %s. + + DC_EXPR_EXIT + + If an integer and non-zero, exit when expressions or expression files are + given on the command-line, and does not exit when an integer and zero. + + Overrides the default, which is %s. + + DC_DIGIT_CLAMP + + If an integer and non-zero, clamp digits larger than or equal to the + current ibase when parsing numbers. + + Overrides the default, which is %s. |