nnao45/dntk

By nnao45

•Updated 12 months ago

dntk is command line's multi-platform Interactive calculator, GNU bc wrapper.

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nnao45/dntk repository overview

⁠dntk

dntk is command line's multi-platform Interactive calculator, GNU bc⁠ wrapper.
gjf

✔︎ dntk means calculator in a japanese.
✔︎ dntk is gnu bc wrapper. so, syntax is equal to gnu bc. learn syntax more⁠
✔︎ dntk is a NATIVE The Rust Programming Language⁠ application.
✔︎ dntk can move cursor, can delete char, can refresh buffer.
✔︎ dntk write color means,

color	means
cyan	can caluclate & can output
megenta	can't caluclate, can't output
yellow	danger input char, output warning
green	clean buffer message

⁠Current dntk's version:v2.2.1

Download Page: https://github.com/nnao45/dntk/releases/latest⁠

⁠Platform

dntk support multi-platform 😊 mac, linux, freebsd, and windows!!!

i686-osx
x86_64-osx
i686-linux
x86_64-linux
i686-windows
x86_64-windows
i686-freebsd
x86_64-freebsd

⁠Install

⁠Mac

$ brew install nnao45/dntk/dntk

⁠Linux

$ wget https://github.com/nnao45/dntk/releases/download/v2.2.1/dntk-v2.2.1-x86_64-unknown-linux-musl.zip
$ unzip dntk-v2.2.1-x86_64-unknown-linux-musl.zip

⁠Windows

$ wget https://github.com/nnao45/dntk/releases/download/v2.2.1/dntk-v2.2.1-x86_64-pc-windows-msvc.zip
$ unzip dntk-v2.2.1-x86_64-pc-windows-msvc.zip

⁠FreeBSD

$ wget https://github.com/nnao45/dntk/releases/download/v2.2.1/dntk-v2.2.1-x86_64-unknown-freebsd.zip
$ unzip dntk-v2.2.1-x86_64-unknown-freebsd.zip

⁠Cargo

$ cargo install dntk

⁠zplug

$ zplug 'nnao45/dntk', as:command, from:gh-r

⁠Docker

Can use dntk docker image,
Look!! Very light weight!!🚀

$ docker images nnao45/dntk
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
nnao45/dntk         latest              3a37b5d989b5        2 hours ago         10.5MB

And run,

$ docker run -it --rm nnao45/dntk:latest

⁠And...

$ echo 'alias bc=dntk' >> ~/.bashrc
$ echo 'alias bc=dntk' >> ~/.zshrc

All OK!! 😎

⁠Options

❯❯❯ dntk -h
Command line's multi-platform interactive calculator, GNU bc wrapper.

USAGE:
    dntk [FLAGS] [OPTIONS]

FLAGS:
    -h, --help           Prints help information
        --once           Run at only once
    -q, --quiet          No print information message
        --show-limits    Print the local limits enforced by the local version of bc, and quit
    -V, --version        Prints version information
    -w, --white          Set White color in a output

OPTIONS:
    -b, --bc-path <bc_path>    Use a specific bc command path [default: bc]
    -i, --inject <inject>      Pre-run inject statement to the dntk [default: ]
    -s, --scale <scale>        Number of truncated after the decimal point [default: 20]

⁠Pipe Support

$ echo "123 * 2" | dntk
246

behave, like bc ☺️

⁠Paste Support

$ echo '( 1 + 2 + 3 + 4 + 51 ) / sqrt( 123 / 3 )' | pbcopy
$ pbpaste | dntk
9.52659947520496999698

⁠Windows Support

You may install bc.exe and set PATH.

$ choco install gnuwin
$ # or
$ wget wget https://embedeo.org/ws/command_line/bc_dc_calculator_windows/bc-1.07.1-win32-embedeo-02.zip
$ unzip bc-1.07.1-win32-embedeo-02.zip

gjf

⁠Keybind

⁠Basic Key

key	feature
[, ←	cursor move to left
], →	cursor move to right
0~9	Sendkey this number
Ctrl+C, Enter	Finish dntk app
Delete, Backspace	Delete current char
@	Clean buffer

⁠Basic Operation

key	feature
+	plus
-	minus
*	multiplication
/	division
^	exponentiation
%	remainder

⁠Operation for Logical

key	feature
!	boolean, relational
\|	boolean
&	boolean
>	relational
<	relational
=	relational

⁠Using Function

you can use under function.

function	key	feature
(x)	()	Simple round bracket
sin(x)	s()	Sin of trigonometric function
cos(x)	c()	Cosin of trigonometric function
atan(x)	a()	Tangent of inverse trigonometric function
log(x)	l()	Logarithm function
exp(x)	e()	Exponential function
sqrt(x)	sqrt()	Return square root of the expression function
j(n,x)	j()	The n-order Bessel function

more detail 👉 https://www.gnu.org/software/bc/manual/html_mono/bc.html⁠

⁠Development Guide

⁠Compile

⁠Binary

$ make

⁠Docker

$ make docker-build

⁠Contribute

Always Welcome!! 😄

Have a nice rust hacking days:sparkles::wink:

⁠Writer & License

dntk was writed by nnao45 (WORK:Infrastructure Engineer, Twitter:@nnao45, MAIL:[email protected]⁠).
This software is released under the MIT License, see LICENSE.

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Last updated

12 months ago

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