kwh-cost/README.md

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# kwh-cost
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Calculates cost of electricity.
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## How to use
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```console
$ kwh-cost [OPTIONS] price wattage interval [interval ..]
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```
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Options are `-v, --version` to show program's version; and `-h, --help` to show usage of a program.
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`price` is a price per kWh. `wattage` is how many Watts being consumed. `interval` is for how long.
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`interval` is in seconds, but you can specify a unit. Units are the following:
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`m|M` for minutes; `h|H` for hours; and `d|D` for days. There could be as many `interval`s passed as you need.
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Here is an example:
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```console
$ kwh-cost 4.02 120 30d 2h
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```
Will give 348.29.
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## Installation
### Manually
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First run `make` to build a program, and then `make install` to copy executable in `/usr/local/bin/`. Later, use `make uninstall` to delete it, or just delete `/usr/local/bin/kwh-cost`.
A `LICENSE` file is also being copied to `/usr/local/share/licenses/kwh-cost/LICENSE`.
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### For ArchLinux
You can take a [PKGBUILD](/Arav/kwh-cost/raw/branch/master/PKGBUILD) file and in a directory with it run `makepkg -i`.