- takes input-file, copies to output-file
rewrite/grammar-implicit-whitespace
Raymon Zutekouw 3 years ago
parent bf8919ed44
commit 3779290aa8
No known key found for this signature in database
GPG Key ID: 1E9BCC39EDD1DD53
  1. 225
      Cargo.lock
  2. 2
      Cargo.toml
  3. 28
      src/main.rs

225
Cargo.lock generated

@ -2,6 +2,231 @@
# It is not intended for manual editing. # It is not intended for manual editing.
version = 3 version = 3
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@ -6,3 +6,5 @@ edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies] [dependencies]
anyhow = "1.0.44"
structopt = "0.3.23"

@ -1,3 +1,27 @@
fn main() { use std::fs::File;
println!("Hello, world!"); use std::io::Write;
use anyhow::{Context, Result};
use structopt::StructOpt;
#[derive(StructOpt)]
struct Cli {
#[structopt(parse(from_os_str))]
input_file: std::path::PathBuf,
#[structopt(parse(from_os_str))]
output_file: std::path::PathBuf,
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
let args = Cli::from_args();
let content = std::fs::read_to_string(&args.input_file)
.with_context(|| format!("could not read source file {:?}", args.input_file))?;
let mut out = File::create(args.output_file)?;
out.write_all(&content.as_bytes())?;
out.sync_all()?;
Ok(())
} }

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