25 lines
662 B
C++
25 lines
662 B
C++
#include <os/ArgumentParser.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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int main(int argc, char** argv)
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{
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StringView date;
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os::ArgumentParser parser;
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parser.add_description("Display the current (or another) date and time."_sv);
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parser.add_system_program_info("date"_sv);
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parser.add_value_argument(date, 'd', "date"_sv, true,
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"the UNIX timestamp to display instead of the current time"_sv);
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parser.parse(argc, argv);
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time_t now;
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if (date.is_empty()) { now = time(NULL); }
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else { now = strtol(date.chars(), nullptr, 10); }
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fputs(ctime(&now), stdout);
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}
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