020701c4d5
This changes the behavior of the diff op grouping function to return an empty result if the diff is a full match. This also adds an example to demonstrate unified diff rendering.
22 lines
556 B
Rust
22 lines
556 B
Rust
use std::fs::read_to_string;
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use std::process::exit;
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use similar::text::TextDiff;
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fn main() {
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let args: Vec<_> = std::env::args_os().collect();
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if args.len() != 3 {
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eprintln!("usage: udiff [old] [new]");
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exit(1);
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}
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let old = read_to_string(&args[1]).unwrap();
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let new = read_to_string(&args[2]).unwrap();
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print!(
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"{}",
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TextDiff::from_lines(&old, &new).unified_diff().header(
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&args[1].as_os_str().to_string_lossy(),
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&args[2].as_os_str().to_string_lossy()
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)
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);
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}
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