Fixed length records: Difference between revisions
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(Added Rust solution) |
m (Rust - reformatted with rustfmt) |
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=={{header|Rust}}== |
=={{header|Rust}}== |
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<lang rust>use std:: |
<lang rust>use std::fs::File; |
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⚫ | |||
use std::io::{BufReader, BufWriter}; |
use std::io::{BufReader, BufWriter}; |
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⚫ | |||
fn reverse_file( |
fn reverse_file( |
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input_filename: &str, |
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⚫ | |||
output_filename: &str, |
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record_len: usize, |
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⚫ | |||
let mut input = BufReader::new(File::open(input_filename)?); |
let mut input = BufReader::new(File::open(input_filename)?); |
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let mut output = BufWriter::new(File::create(output_filename)?); |
let mut output = BufWriter::new(File::create(output_filename)?); |
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match reverse_file("infile.dat", "outfile.dat", 80) { |
match reverse_file("infile.dat", "outfile.dat", 80) { |
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Ok(()) => {} |
Ok(()) => {} |
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Err(error) => eprintln!("I/O error: {}", error) |
Err(error) => eprintln!("I/O error: {}", error), |
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} |
} |
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}</lang> |
}</lang> |