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use std::fs::File;
use std::io::Write;
use std::process::Command;
use std::str::from_utf8;

pub fn oce(command: &String) {
    let filename = "result";
    let command = command.split_whitespace().collect::<Vec<&str>>();
    let command = if command[0] == "oce" {
        &command[1..]
    } else {
        &command[0..]
    };
    let command_name = command.join(" ");

    let shell_command = command[0];
    let args = &command[1..];

    let output = Command::new(shell_command)
        .args(args)
        .output()
        .expect("Couldn't execute the command.");
    let result =
        from_utf8(&output.stdout).expect("Couldn't make a string from the command's result.");

    let mut output_file = File::create(filename).expect("Failed to create a file.");
    write!(output_file, "$ {}\n{}", command_name, result.trim())
        .expect("Couldn't output anything.");
}