Created
January 26, 2021 04:45
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rust-sandbox-read-csv
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use std::env; | |
use std::fs::File; | |
use std::io::prelude::*; | |
#[derive(Debug)] | |
struct Organization<'a> { | |
id: &'a str, | |
name: &'a str, | |
} | |
fn main() { | |
let args: Vec<String> = env::args().collect(); | |
let filename = &args[1]; | |
// 現在の団体シートから読み込む | |
let mut f = File::open(filename).expect("file not found."); | |
let mut contents = String::new(); | |
f.read_to_string(&mut contents).expect("read error."); | |
let mut _organizations: Vec<Organization> = Vec::new(); | |
for line in contents.split("\n") { | |
let cols: Vec<&str> = line.split(",").collect(); | |
if cols.len() < 5 { | |
continue; | |
} | |
if cols[2] == "" { | |
continue; | |
} | |
_organizations.push(Organization{ id: cols[0], name: cols[2]}); | |
} | |
println!("line: {:?}", _organizations); | |
} |
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