26 lines
685 B
Rust
26 lines
685 B
Rust
//! An example of extracting a file in an archive.
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//!
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//! Takes a tarball on standard input, looks for an entry with a listed file
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//! name as the first argument provided, and then prints the contents of that
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//! file to stdout.
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extern crate tar;
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use std::env::args_os;
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use std::io::{copy, stdin, stdout};
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use std::path::Path;
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use tar::Archive;
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fn main() {
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let first_arg = args_os().skip(1).next().unwrap();
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let filename = Path::new(&first_arg);
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let mut ar = Archive::new(stdin());
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for file in ar.entries().unwrap() {
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let mut f = file.unwrap();
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if f.path().unwrap() == filename {
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copy(&mut f, &mut stdout()).unwrap();
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}
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}
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}
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