Cork is a simple command-line calculator, mainly targeted towards people who deal with hex numbers. It deals only with integer arithmetic. Expressions may involve mixed bases (limited to decimal, hexadecimal, octal and binary numbers). The global output format may be set to a particular radix - by default it is hex.
Cork is something that I wrote over a weekend, when I was getting annoyed at having to punch in 16 digit hex numbers on my calculator. I wanted something on my screen, and naturally on the terminal. But all the calculator programs that I found online (including a REPL of Python and Octave) had a glaring problem - they could work on hex numbers, but the output was always in decimal. So I hit to cargo new ...
Cork is a rather odd name for a calculator. I wanted something on the lines of kernel calculator, but that's way too long. So kernel became core (technically, that's what it means in English) and calculator, well that can be C. So we have CoreC ... maybe CorC ... ah right, Cork.
If you have cargo installed, then you can build this from source:
shell
git clone https://github.com/RedDocMD/cork
cd cork
cargo build --release
The binary produced will be target/release/cork.
To install from crates.io, run cargo install cork. Then, Cork should be executable with the cork command.
Cork is a REPL calculator, so you can put in expressions and it displays the answer. A sample run goes like:
``` Welcome to cork - a calculator for hex-lovers! Press Ctrl + D to exit. cork> 0xCAFE 0xcafe cork> 0xCAFE + 2 * 8 * 0x20 0xccfe cork> set of dec cork> ans 52478 cork> 0xCAFE 51966 Exiting ...
```
Oh, btw, Cork uses rustyline. So you get the whole readline goodness (including a history).
Cork accepts four types of numbers:
0x (0xaA 0x5acd, 0x101c, etc).0o (0o12, 0o55315, 0o10034, etc).0b (0b1010, 0b101101011001101, 0b1000000011100, etc).In addition, ans holds the answer of the last computation. It is initialized to 0 on startup.
Cork has something called set directives, which basically set some global property. They are of the form
set <key> <value>
As of now, Cork has the following keys:
Key | Possible Values | Purpose --- | --------------- | -------- of | hex, dec, oct, bin | Sets the output format
Cork is released under GNU General Public License, v2.