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#!/bin/sh -eu
usage() {
print "%s\n\n%s\n%s\n%s\n" "$0 [-h] [-y <year>] [-d <day>]" \
'-h | --help Output this help.' \
'-y | --help Use another year than the current one.' \
'-d | --help Use another day than the current one.'
}
_opts=$( getopt --options "y:d:h" --long 'year:,day:,help' -- "$@" )
eval set -- "${_opts}"
unset _opts
while [ $1 != '--' ]; do
case "$1" in
'-d' | '--day')
shift
_day="$1"
;;
'-y' | '--year')
shift
_year="$1"
;;
'-h' | '--help')
usage
exit 0
;;
esac
shift
done
_year=${_year:-$(date +%Y)}
[ "${_day:-}" ] || _day=${_day:-$(TZ=EST date '+%d')}
[ "${#_day}" != 1 ] || _day="0${_day}"
_cargo_contents=$( sed "s/^#\(.*${_day}\)/\1/" <"${_year}/rust/Cargo.toml")
echo "${_cargo_contents}" >"${_year}/rust/Cargo.toml"
cd "${_year}/rust"
mkdir "day${_day}" || :
cd "day${_day}"
cargo init --bin
cat > 'Cargo.toml' << END_OF_TOML
[package]
name = "day${_day}"
version = "0.1.0"
edition = "2021"
[dependencies]
aoc = { path = "../../../common/rust/aoc" }
anyhow = "1.0"
END_OF_TOML
cat > 'src/main.rs' << END_OF_SRC
use {
anyhow::{
anyhow,
Context,
Result,
},
std::{
env::args,
fs::File,
io::{
BufRead,
BufReader,
},
path::Path,
},
};
fn read_input<T: AsRef<Path>>(filename: T) -> Result<Vec<usize>> {
let reader = BufReader::new(File::open(filename)?);
reader.lines().map(
|v| {
let s = v?;
let n = s.parse()?;
Ok(n)
}
).collect()
}
fn part1<'a, I: IntoIterator<Item = &'a usize>>(_input: I) -> Result<usize> {
Ok(0)
}
fn part2<'a, I: IntoIterator<Item = &'a usize>>(_input: I) -> Result<usize> {
Ok(0)
}
fn main() -> Result<()> {
let ( do_part_1, do_part_2 ) = aoc::do_parts();
let filename = args().nth(1).ok_or(anyhow!("Missing input filename"))?;
let input = read_input(filename).context("Could not read input")?;
if do_part_1 {
let solution = part1(&input).context("No solution for part 1")?;
println!("Part1, solution found to be: {}", solution);
}
if do_part_2 {
let solution = part2(&input).context("No solution for part 2")?;
println!("Part2, solution found to be: {}", solution);
}
Ok(())
}
END_OF_SRC
unset _cargo_contents _day _year
|
