mirror of
https://github.com/rust-lang-nursery/rust-cookbook
synced 2024-11-22 11:33:09 +00:00
Add tar-temp example
This commit is contained in:
Xavier Payn
parent
fd0e0b4ff0
commit
a943707b56
3 changed files with 77 additions and 0 deletions
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@ -11,6 +11,7 @@ byteorder = "1.0"
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clap = "2.0"
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crossbeam = "0.2"
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error-chain = "0.10"
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flate2 = "0.2.19"
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petgraph = "0.4"
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rand = "0.3"
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rayon = "0.7"
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@ -22,6 +23,8 @@ url = "1.4"
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reqwest = "0.6"
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env_logger = "0.4"
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syslog = "3.2.0"
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tar = "0.4.12"
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tempdir = "0.3.5"
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[build-dependencies]
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skeptic = "0.9"
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66
src/app.md
66
src/app.md
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@ -9,6 +9,7 @@
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| [Log messages with a custom logger][ex-log-custom-logger] | [![log-badge]][log] | [![cat-debugging-badge]][cat-debugging] |
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| [Log to the Unix syslog][ex-log-syslog] | [![log-badge]][log] [![syslog-badge]][syslog] | [![cat-debugging-badge]][cat-debugging] |
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| [Log messages to a custom location][ex-log-custom] | [![log-badge]][log] | [![cat-debugging-badge]][cat-debugging] |
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| [Unzip a tarball to a temporary directory][ex-tar-temp] | [![flate2-badge]][flate2] [![tar-badge]][tar] [![tempdir-badge]][tempdir] | [![cat-filesystem-badge]][cat-filesystem] [![cat-compression-badge]][cat-compression] |
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[ex-clap-basic]: #ex-clap-basic
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<a name="ex-clap-basic"></a>
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@ -292,13 +293,69 @@ quick_main!(run);
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[Write me!](https://github.com/brson/rust-cookbook/issues/61)
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[ex-tar-temp]: #ex-tar-temp
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<a name="ex-tar-temp"></a>
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## Unzip a tarball to a temporary directory
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Uncompress ([`flate2::read::GzDecoder::new`]) and
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extract ([`tar::Archive::unpack`]) all files form a zipped tarball
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named archive.tar.gz located in the current working directory
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inside a temporary directory ([`tempdir::TempDir::new`])
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and delete everything.
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[![flate2-badge]][flate2] [![tar-badge]][tar] [![tempdir-badge]][tempdir] [![cat-filesystem-badge]][cat-filesystem] [![cat-compression-badge]][cat-compression]
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```rust,no_run
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#[macro_use]
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extern crate error_chain;
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extern crate flate2;
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extern crate tar;
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extern crate tempdir;
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use std::fs::File;
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use flate2::read::GzDecoder;
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use tar::Archive;
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use tempdir::TempDir;
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error_chain! {
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foreign_links {
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Io(std::io::Error);
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}
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}
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fn run() -> Result<()> {
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let path = "archive.tar.gz";
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// Open our zipped tarball
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let tar_gz = File::open(path)?;
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// Uncompressed it
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let tar = GzDecoder::new(tar_gz)?;
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// Load the archive from the tarball
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let mut archive = Archive::new(tar);
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// Create a directory inside of `std::env::temp_dir()`, named with
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// the prefix "temp".
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let tmp_dir = TempDir::new("temp")?;
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// Unpack the archive inside the temporary directory
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archive.unpack(tmp_dir.path())?;
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Ok(())
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}
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quick_main!(run);
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```
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<!-- Categories -->
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[cat-command-line-badge]: https://img.shields.io/badge/-command_line-red.svg
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[cat-command-line]: https://crates.io/categories/command-line-interface
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[cat-compression-badge]: https://img.shields.io/badge/-compression-red.svg
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[cat-compression]: https://crates.io/categories/compression
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[cat-debugging-badge]: https://img.shields.io/badge/-debugging-red.svg
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[cat-debugging]: https://crates.io/categories/debugging
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[cat-filesystem-badge]: https://img.shields.io/badge/-filesystem-red.svg
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[cat-filesystem]: https://crates.io/categories/filesystem
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<!-- Crates -->
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@ -306,10 +363,16 @@ quick_main!(run);
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[clap]: https://docs.rs/clap/
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[env_logger-badge]: https://img.shields.io/crates/v/env_logger.svg?label=env_logger
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[env_logger]: https://docs.rs/env_logger/
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[flate2-badge]: https://img.shields.io/crates/v/flate2.svg?label=flate2
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[flate2]: https://docs.rs/flate2/
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[log-badge]: https://img.shields.io/crates/v/log.svg?label=log
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[log]: https://docs.rs/log/
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[syslog-badge]: https://img.shields.io/crates/v/syslog.svg?label=syslog
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[syslog]: https://docs.rs/syslog/
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[tar-badge]: https://img.shields.io/crates/v/tar.svg?label=tar
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[tar]: https://docs.rs/tar/
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[tempdir-badge]: https://img.shields.io/crates/v/tempdir.svg?label=tempdir
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[tempdir]: https://docs.rs/tempdir/
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<!-- Reference -->
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@ -321,3 +384,6 @@ quick_main!(run);
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[`log::set_logger`]: https://doc.rust-lang.org/log/log/fn.set_logger.html
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[`log::Log`]: https://doc.rust-lang.org/log/log/trait.Log.html
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[`RUST_LOG`]: https://doc.rust-lang.org/log/env_logger/#enabling-logging
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[`flate2::read::GzDecoder::new`]: https://docs.rs/flate2/0.2.19/flate2/read/struct.GzDecoder.html#method.new
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[`tar::Archive::unpack`]: https://docs.rs/tar/0.4.12/tar/struct.Archive.html#method.new
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[`tempdir::TempDir::new`]: https://docs.rs/tempdir/0.3.5/tempdir/struct.TempDir.html#method.new
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@ -67,6 +67,7 @@ community. It needs and welcomes help. For details see
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| [Log messages with a custom logger][ex-log-custom-logger] | [![log-badge]][log] | [![cat-debugging-badge]][cat-debugging] |
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| [Log to the Unix syslog][ex-log-syslog] | [![log-badge]][log] [![syslog-badge]][syslog] | [![cat-debugging-badge]][cat-debugging] |
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| [Log messages to a custom location][ex-log-custom] | [![log-badge]][log] | [![cat-debugging-badge]][cat-debugging] |
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| [Unzip a tarball to a temporary directory][ex-tar-temp] | [![flate2-badge]][flate2] [![tar-badge]][tar] [![tempdir-badge]][tempdir] | [![cat-filesystem-badge]][cat-filesystem] [![cat-compression-badge]][cat-compression] |
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<!--
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@ -84,6 +85,8 @@ Keep lines sorted.
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[cat-command-line-badge]: https://img.shields.io/badge/-command_line-red.svg
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[cat-command-line]: https://crates.io/categories/command-line-interface
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[cat-compression-badge]: https://img.shields.io/badge/-compression-red.svg
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[cat-compression]: https://crates.io/categories/compression
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[cat-concurrency-badge]: https://img.shields.io/badge/-concurrency-red.svg
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[cat-concurrency]: https://crates.io/categories/concurrency
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[cat-debugging-badge]: https://img.shields.io/badge/-debugging-red.svg
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@ -105,6 +108,8 @@ Keep lines sorted.
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[clap]: https://docs.rs/clap/
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[env_logger-badge]: https://img.shields.io/crates/v/env_logger.svg?label=env_logger
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[env_logger]: https://docs.rs/env_logger/
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[flate2-badge]: https://img.shields.io/crates/v/flate2.svg?label=flate2
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[flate2]: https://docs.rs/flate2/
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[log-badge]: https://img.shields.io/crates/v/log.svg?label=log
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[log]: https://docs.rs/log/
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[rand-badge]: https://img.shields.io/crates/v/rand.svg?label=rand
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@ -121,6 +126,8 @@ Keep lines sorted.
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[std]: https://doc.rust-lang.org/std
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[syslog-badge]: https://img.shields.io/crates/v/syslog.svg?label=syslog
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[syslog]: https://docs.rs/syslog/
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[tar-badge]: https://img.shields.io/crates/v/tar.svg?label=tar
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[tar]: https://docs.rs/tar/
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[tempdir-badge]: https://img.shields.io/crates/v/tempdir.svg?label=tempdir
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[tempdir]: https://docs.rs/tempdir/
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[toml-badge]: https://img.shields.io/crates/v/toml.svg?label=toml
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@ -149,6 +156,7 @@ Keep lines sorted.
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[ex-rest-get]: net.html#ex-rest-get
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[ex-rest-post]: net.html#ex-rest-post
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[ex-std-read-lines]: basics.html#ex-std-read-lines
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[ex-tar-temp]: app.html#ex-tar-temp
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[ex-toml-config]: encoding.html#ex-toml-config
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[ex-url-base]: net.html#ex-url-base
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[ex-url-basic]: net.html#ex-url-basic
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