gzip

Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful

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The rest of these answers are out of date and/or over the top complicated for something that should be simple IMO (how long has gzip been around for now? longer than Java…) From the docs: In application.properties 1.3+ # 🗜️🗜️🗜️ server.compression.enabled=true # opt in to content types server.compression.mime-types=application/json,application/xml,text/html,text/xml,text/plain,application/javascript,text/css # not worth the CPU cycles at … Read more

Decompressing GZip Stream from HTTPClient Response

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Just instantiate HttpClient like this: HttpClientHandler handler = new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate }; using (var client = new HttpClient(handler)) //see update below { // your code } Update June 19, 2020: It’s not recommended to use httpclient in a ‘using’ block as it might cause port exhaustion. private static HttpClient client … Read more

How can I decompress a gzip stream with zlib?

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To decompress a gzip format file with zlib, call inflateInit2 with the windowBits parameter as 16+MAX_WBITS, like this: inflateInit2(&stream, 16+MAX_WBITS); If you don’t do this, zlib will complain about a bad stream format. By default, zlib creates streams with a zlib header, and on inflate does not recognise the different gzip header unless you tell … Read more

How to extract filename.tar.gz file

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If file filename.tar.gz gives this message: POSIX tar archive, the archive is a tar, not a GZip archive. Unpack a tar without the z, it is for gzipped (compressed), only: mv filename.tar.gz filename.tar # optional tar xvf filename.tar Or try a generic Unpacker like unp (https://packages.qa.debian.org/u/unp.html), a script for unpacking a wide variety of archive … Read more

How to check if a Unix .tar.gz file is a valid file without uncompressing?

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What about just getting a listing of the tarball and throw away the output, rather than decompressing the file? tar -tzf my_tar.tar.gz >/dev/null Edited as per comment. Thanks zrajm! Edit as per comment. Thanks Frozen Flame! This test in no way implies integrity of the data. Because it was designed as a tape archival utility … Read more

Gzip versus minify

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Very simple to test. I took your js, put them in different files and ran gzip -9 on them. Here’s the result. This was done on a WinXP machine running Cygwin and gzip 1.3.12. -rwx—— 1 xxxxxxxx mkgroup-l-d 88 Apr 30 09:17 expanded.js.gz -rwx—— 1 xxxxxxxx mkgroup-l-d 81 Apr 30 09:18 minified.js.gz Here’s a further … Read more

How to properly handle a gzipped page when using curl?

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curl will automatically decompress the response if you set the –compressed flag: curl –compressed “http://example.com” –compressed (HTTP) Request a compressed response using one of the algorithms libcurl supports, and save the uncompressed document. If this option is used and the server sends an unsupported encoding, curl will report an error. gzip is most likely supported, … Read more

Serving gzipped CSS and JavaScript from Amazon CloudFront via S3

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UPDATE: Amazon now supports gzip compression, so this is no longer needed. Amazon Announcement Original answer: The answer is to gzip the CSS and JavaScript files. Yes, you read that right. gzip -9 production.min.css This will produce production.min.css.gz. Remove the .gz, upload to S3 (or whatever origin server you’re using) and explicitly set the Content-Encoding … Read more

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