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Author | SHA1 | Date |
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Alexander Andreev | aa6b0cd453 | |
Alexander Andreev | cfa5c344cd | |
Alexander Andreev | 7eecfbee01 | |
Alexander Andreev | d398de1f8f | |
Alexander Andreev | d7501eb2a9 | |
Alexander Andreev | 4e69cde16d |
6
PKGBUILD
6
PKGBUILD
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@ -1,6 +1,6 @@
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# Maintainer: Alexander "Arav" Andreev <me@arav.top>
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pkgname=kwh-cost-git
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pkgver=1.0.0
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pkgname=kwh-cost
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pkgver=1.1.0
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pkgrel=1
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pkgdesc="Calculates cost of electricity."
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arch=('i686' 'x86_64' 'arm' 'armv6h' 'armv7h' 'aarch64')
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@ -10,7 +10,7 @@ makedepends=('git' 'gcc')
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provides=('kwh-cost')
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conflicts=('kwh-cost')
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options=('strip')
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source=('kwh-cost-git::git+https://git.arav.top/Arav/kwh-cost.git')
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source=('https://git.arav.top/Arav/kwh-cost/archive/1.1.0.tar.gz')
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md5sums=('SKIP')
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build() {
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@ -23,8 +23,6 @@ $ kwh-cost 4.02 120 30d 2h
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Will give 348.29.
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P.S.: Yeah, I pay 3.83 rubles per kWh. Which is just $0.05. :)
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## Installation
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### Manually
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30
src/main.c
30
src/main.c
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@ -4,7 +4,7 @@
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#include "main.h"
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int main(int const argc, const char * const * const argv) {
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int main(const int argc, const char * const * const argv) {
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price_t price;
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wattage_t wattage;
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interval_t interval = 0;
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@ -23,7 +23,8 @@ int main(int const argc, const char * const * const argv) {
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return 0;
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}
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int parse_arguments(const int argc, const char *const *const argv, price_t *const price, wattage_t *const wattage, interval_t *const interval) {
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int parse_arguments(const int argc, const char * const * const argv,
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price_t * const price, wattage_t * const wattage, interval_t * const interval) {
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if (argc < 2) return 1;
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for (int i = 1, pos = 0; i < argc; ++i)
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@ -35,13 +36,13 @@ int parse_arguments(const int argc, const char *const *const argv, price_t *cons
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} else if (argc < 4) {
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return 1;
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} else if (pos == 0) {
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*price = to_wattspersecond((price_t)atof(argv[i]));
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*price = price_to_wattspersecond((price_t)atof(argv[i]));
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++pos;
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} else if (pos == 1) {
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*wattage = (wattage_t)atof(argv[2]);
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++pos;
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} else
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*interval += (interval_t)interval_to_seconds(argv[i]);
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*interval += interval_to_seconds(argv[i]);
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return 0;
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}
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@ -64,26 +65,27 @@ inline interval_t interval_to_seconds(const char * const interval) {
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}
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}
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inline price_t to_wattspersecond(const price_t price) {
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inline price_t price_to_wattspersecond(const price_t price) {
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return price / 1000.f / 3600.f;
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}
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inline void print_version() {
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puts("kwh-cost Ver. " VERSION "\n"
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"Copyright (C) 2021 Alexander \"Arav\" Andreev <me@arav.top>. All rights reserved.\n"
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"Copyright (C) 2021,2022 Alexander \"Arav\" Andreev <me@arav.top>. All rights reserved.\n"
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"You can see a license for this program in /usr/share/licenses/kwh-cost/LICENSE.");
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}
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inline void print_usage() {
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puts("Usage: kwh-cost [OPTIONS] price wattage interval [interval ...]\n"
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"Options:\n"
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" --help, -h Display this usage information.\n"
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" --version, -v Display program version.\n"
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" --help, -h display this usage information.\n"
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" --version, -v display program version.\n"
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"Arguments:\n"
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" price Price per kWh.\n"
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" wattage Specify power usage in Watts.\n"
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" interval Time interval in seconds total cost to be calculated for.\n"
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" You may specify other time units such as:\n"
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" m'inute, h'our, d'ay. Example: 5d 3h.\n"
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" All given intervals will be summed up.");
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" price price per kWh.\n"
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" wattage power usage in Watts.\n"
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" interval time interval in seconds during which\n"
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" this much power to be constantly used.\n"
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" You may specify other time units such as:\n"
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" m'inute, h'our, d'ay. Example: 5d 3h.\n"
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" All given intervals will be summed up.");
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}
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@ -1,16 +1,17 @@
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#ifndef _MAIN_H_
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#define _MAIN_H_
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#define VERSION "1.0.0"
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#define VERSION "1.1.0"
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typedef long double price_t;
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typedef long double wattage_t;
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typedef unsigned long interval_t;
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int parse_arguments(const int argc, const char *const *const argv, price_t *const price, wattage_t *const wattage, interval_t *const interval);
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int parse_arguments(const int argc, const char *const *const argv,
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price_t * const price, wattage_t * const wattage, interval_t * const interval);
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inline interval_t interval_to_seconds(const char * const interval);
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inline price_t to_wattspersecond(const price_t price);
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inline price_t price_to_wattspersecond(const price_t price);
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inline void print_version();
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inline void print_usage();
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