#![allow(dead_code)]
use std::{fs,io};
/// This can be changed to modify all the tool metadata all at once
pub const VERSION: &'static str = "0.0";
pub const AUTHOR: &'static str =
"Getty Ritter <rrecutils@infinitenegativeutility.com>";
/// If this doesn't name a path, or if the path is `"-"`, then return
/// a buffered reader from stdin; otherwise, attempt to open the file
/// named by the path and return a buffered reader around it
pub fn input_from_spec<'a>(
spec: Option<&'a str>
) -> io::Result<io::BufReader<Box<io::Read>>> {
match spec.unwrap_or("-") {
"-" => Ok(io::BufReader::new(Box::new(io::stdin()))),
path => {
let f = fs::File::open(path)?;
Ok(io::BufReader::new(Box::new(f)))
}
}
}
/// If this doesn't name a path, or if the path is `"-"`, then return
/// a buffered writer to stdout; otherwise, attempt to open the file
/// named by the path and return a writer around it
pub fn output_from_spec<'a>(
spec: Option<&'a str>
) -> io::Result<Box<io::Write>>
{
match spec.unwrap_or("-") {
"-" => Ok(Box::new(io::stdout())),
path => Ok(Box::new(fs::File::open(path)?)),
}
}