diff options
Diffstat (limited to 'gen/bc_help.txt')
| -rw-r--r-- | gen/bc_help.txt | 85 |
1 files changed, 82 insertions, 3 deletions
diff --git a/gen/bc_help.txt b/gen/bc_help.txt index 50c38ab6..c51ba186 100644 --- a/gen/bc_help.txt +++ b/gen/bc_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...] bc is a command-line, arbitrary-precision calculator with a Turing-complete language. 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. +https://git.gavinhoward.com/gavin/bc/src/tag/%s/manuals/bc/%s.1.md. This bc is compatible with both the GNU bc and the POSIX bc spec. See the GNU bc manual (https://www.gnu.org/software/bc/manual/bc.html) and bc spec @@ -63,6 +63,37 @@ This bc also implements the dot (.) extension of the BSD bc. 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 @@ -82,10 +113,20 @@ 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 Force interactive mode. + -L --no-line-length + + Disable line length checking. + -l --mathlib Use predefined math routines: @@ -100,6 +141,12 @@ Options: This bc may load more functions with these options. See the manpage or online documentation for details. + -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. @@ -123,6 +170,12 @@ Options: Don't print version and copyright. + -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. + -s --standard Error if any non-POSIX extensions are used. @@ -135,6 +188,10 @@ Options: Print version information and copyright and exit. + -z --leading-zeroes + + Enable leading zeroes on numbers greater than -1 and less than 1. + Environment variables: POSIXLY_CORRECT @@ -148,13 +205,15 @@ Environment variables: BC_LINE_LENGTH If an integer, the number of characters to print on a line before - wrapping. + wrapping. Using 0 will disable line length checking. BC_BANNER If an integer and non-zero, display the copyright banner in interactive mode. + If zero, disable the banner. + Overrides the default, which is %s print the banner. BC_SIGINT_RESET @@ -162,16 +221,36 @@ Environment variables: 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. BC_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. BC_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. + + BC_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. + + BC_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. |