This answer has been superseded by Inno Setup – How to add cancel button to decompressing page? that uses unarc.dll instead of driving the console Arc.exe. I’m keeping this answer, as its concept can be useful for other archive types. See the example below. It: takes an ARC file, embeds it to the installer during … Read more
Node v0.6.x has a stable zlib module in core now – there are some examples on how to use it server-side in the docs too. An example (taken from the docs): // server example // Running a gzip operation on every request is quite expensive. // It would be much more efficient to cache the … Read more
For me, it’s lower overhead to write a Hadoop Streaming job to compress files. This is the command I run: hadoop jar $HADOOP_HOME/contrib/streaming/hadoop-streaming-0.20.2-cdh3u2.jar \ -Dmapred.output.compress=true \ -Dmapred.compress.map.output=true \ -Dmapred.output.compression.codec=org.apache.hadoop.io.compress.GzipCodec \ -Dmapred.reduce.tasks=0 \ -input <input-path> \ -output $OUTPUT \ -mapper “cut -f 2” I’ll also typically stash the output in a temp folder in case something … Read more
Take a look at dictzip. It is compatible with gzip and allows coarse random access. An excerpt from its man page: dictzip compresses files using the gzip(1) algorithm (LZ77) in a manner which is completely compatible with the gzip file format. An extension to the gzip file format (Extra Field, described in 2.3.1.1 of RFC … Read more
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
I know its late and there are lots of answers but this zip4j is one of the best libraries for zipping I have used. Its simple (no boiler code) and can easily handle password protected files. import net.lingala.zip4j.exception.ZipException; import net.lingala.zip4j.core.ZipFile; public static void unzip(){ String source = “some/compressed/file.zip”; String destination = “some/destination/folder”; String password = … Read more
Short form: .zip is an archive format using, usually, the Deflate compression method. The .gz gzip format is for single files, also using the Deflate compression method. Often gzip is used in combination with tar to make a compressed archive format, .tar.gz. The zlib library provides Deflate compression and decompression code for use by zip, … Read more