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Commons-compress operation zip file (compression and decompression)

Commons-compress: For more information about zip files (compression and decompression), see. Apache Commons Compress is a class library for compressing and decompressing files. You can operate files in ar, cpio, Unix dump, tar, zip, gzip, XZ, Pack200 and bzip2 formats with powerful functions. Here, we will write two methods to Compress files into zip files and de

C # Use WinRAR (encrypted) to compress and decompress related folders and files

the main implementation of this example: 1. compressing folders and their files 2. compressing files in a folder 3. the compressed folder and its files are RAR or zip 4. decompress 5. ----------- example Code : protected void button#click (Object sender, eventargs e) { string strzippath = "C: \ freezip \ free.zip "; system. diagnostics. process process1 = new system. diagnostics. process (); process1.startinfo. filename = "winrar.exe"; process1.startinfo. createnowindow = true; ///

Using grunt to compress CSS code

1. Install the node. JS Environment FirstGrunt and Grunt plugins are installed and managed by NPM, and NPM is the package Manager for node. js. node. js Download linkVerify after installation is complete2. Installing Grunt and pluginsInstall grunt via NPM install grunt command lineNode_modules folders and Package-lock.json files will be found in the folder after installationNPM install-g GRUNT-CLIHe can let you run in any subdirectory of the project grunt .The grunt plugin used to

How to compress photos

Usually our digital camera pixel value is very high to tens pixels, and our ordinary personal photos and landscape only need millions of pixels, so the idea is to compress the photo by changing its pixel value to thin body. You can compress photos with professional image processing software Photoshop, ACDSee, and windowns system with drawing tools. Below I have the figure (original and file attributes) as

How to use BZIP2 to compress files in Linux systems

Install BZIP2The order is as follows: The code is as follows: Make-f Makefile-libbz2_so Make Make install CP Bzip2-shared/bin/bzip2 Ln-s libbz2.so.1.0 libbz2.so Cp-a libbz2.so*/lib Rm/lib/libbz2.so Ln-s.. /.. /lib/libbz2.so.1.0/usr/lib/libbz2.so RM/USR/BIN/{BUNZIP2,BZCAT,BZIP2} Mv/usr/bin/{bzip2recover,bzless,bzmore}/bin Ln-s bzip2/bin/bunzip2 Ln-s Bzip2/bin/bzcat Although not a necessary part, it is worth mentioning that there is a patch on th

Fast pressure how to compress files

First, use the right key compression Right-click the file or folder you want to compress, and choose how to compress it in the pop-up menu. "Create Compressed file ...": Set up after compression first. "Add to ' filename. Format '": Compression by default settings (can be modified, click to see details). "Compress and email ...": first set and then compressed

Using zip commands to compress and decompress files in Linux __linux

using zip commands to compress and decompress files in LinuxTransferred from http://www.itivy.com/linux/archive/2012/3/22/linux-zip.html In Windows, we use the most of the decompression software is winrar, this software is very convenient for us to achieve decompression. However, if you are in a Linux system, we can also try to use the command to achieve the decompression of the file, this article mainly introduces the zip command in Linux compres

A clever method to compress js/css files in Web development __c#

reference materials Http://www.javatang.com/archives/2008/04/13/0212267.html Web applications, the front-end JS, CSS, the application access to the performance impact is very large, so need to compress the Js/css file, the comments, line breaks, such as deletion, compressed file size, Generate a compressed file with only one line of code for the program reference (jquery and other JAVASCIRPT libraries are available after compression), loading the comp

How do I call the WinZip command line on the server side to pack and compress multiple files that are uploaded? (Tian le original)

Package | server | command Line | upload | compression | Original How to call the WinZip command line on the server side to pack and compress multiple files uploaded? To solve this problem, first of all, to understand the Windows scripting Host, referred to as wsh! Here is a reference to Microsoft's explanation: ************************************************************************ * WSH is one of a series of Microsoft scripting technologies, which

Use jpeglib to compress various image formats in JPG format, and convert BMP to JPEG program source code in Linux

){Delete [] data;Delete [] pdataconv;Return 0;}Pai_stdio_dest ( JCs, F ); 3. Set the compression parameters. The main parameters include the image width, height, and number of color channels (1: index image, 3: others). The color space (jcs_grayscale indicates the grayscale image, jcs_rgb indicates color image), compression quality, etc., as follows: JCs. image_width = nwidth; // the width and height of the graph, in pixels.JCs. image_height = nheight;JCs. input_components = 1; // here it is 1,

Php uses the ZipArchive function to compress and decompress files. _ PHP Tutorial

Php uses the ZipArchive function to compress and decompress files ,. Php uses the ZipArchive function to compress and decompress files. PHPZipArchive is an extension class provided by PHP. it can easily compress and decompress ZIP files, before using PHP, make sure that php uses the ZipArchive function to compress and

Use zlib of php to compress and decompress swf files

I have previously written how to apply c # to compress and decompress swf files, decompress, compress, and read flash header file information. an open source link Library is required, and the application is not very convenient, but the application of php is different. php contains the link library of zlib, which can be directly applied to its coherence function, the following is an example of how to use c #

File compression and packaging in linux --- compress, gzip, zcat, bzip2, bzcat, tar, find, tarfile, tarball

File compression and packaging in linux --- compress, gzip, zcat, bzip2, bzcat, tar, find, tarfile, tarballCommon Linux compressed file extensions *. Z compress compressed files (replaced by gzip) *. Gz gzip compressed files *. Bz2 bzip2 compressed files (better than gzip, but only one file can be compressed) * The data packaged by the. tar program is not compressed (using tar as a file can solve the proble

About Linux Some backup, restore, compress, archive commands

15.1 gzipGzip (1) is the GNU compression program. It compresses only a single file. The basic usage is as follows:$ gzip filenameAfter the program executes, the file name becomes filename.gz, and in general the size is smaller than the original file. Note that the program does not create a new file filename.gz, but instead changes the filename to filename.gz. Generally speaking, the compression rate of text files is higher. And those JPEG images, MP3 and other similar files compression rate is n

How to compress pictures in Word2010 documents

When you insert a picture in a Word2010 document, if the picture is large in size, the file size of the Word document becomes large. Even if you change the size of a picture in a Word document or crop a picture, the size of the picture does not change. However, users can compress all the pictures or selected pictures in the Word2010 document, which can reduce the size of the picture effectively, and reduce the size of the Word2010 file. To

Vs merge and compress css, js plug-in -- Bundler & amp; Minifier,

Vs merge and compress css, js plug-in -- Bundler Minifier, I previously made a lucky draw for a large turntable. Some users reported that the page was not visible due to the fire. I suspect that js loading requests are too slow. Therefore, I am debugging and optimizing the previous page today. The first thing that comes to mind is to compress and optimize the page js and css. Baidu's vs integrated plug-i

How to decompress or compress files in linux

. Example 1: extract text.zip from the current directory. $ Unzip test.zip Example 2: decompress the compressed file text.zip under the specified directory/tmp. if the same file already exists, the unzip command must not overwrite the original file. $ Unzip-n test.zip-d/tmp Example 3: view the Directory of the compressed file. $ Unzip-v test.zip Zgrep command The function of this command is to find a matching regular expression in a compressed file. the usage is the same as that of the g

How to use gzip to compress and output JSON data returned by the PHP program _ PHP

This article mainly introduces how to use gzip to compress and output JSON data returned by PHP. the sample environment in this article is Linux and Apache server. if you need it, refer 1. Comparison between HTTP output with and without compression 2. enable gzip Use apache mod_deflate module to enable gzipEnabling method: sudo a2enmod deflatesudo /etc/init.d/apache2 restart Close method: sudo a2dismod deflatesudo /etc/init.d/apache2 restart 3.

How to decompress Or compress files in linux

exists, the unzip command must not overwrite the original file.$ Unzip-n test.zip-d/tmpExample 3: view the directory of the compressed file.$ Unzip-v test.zipZgrep commandThe function of this command is to find a matching regular expression in a compressed file. The usage is the same as that of the grep command, except that the object operated is a compressed file. You can use the zgrep command to check whether a certain sentence exists in a compressed file.2. Run the tar commandFormat: tar [Op

Php uses the imagick module to scale, crop, and compress images. example _ php instance

This article describes how to use the imagick module in php to scale, crop, and compress images. For more information about how to use the Imagick module in PHP to scale, crop, and compress images, including GIF images Scale and crop The code is as follows: /*** Crop images* Cropping rules:* 1. the height is null or zero and auto-adaptive based on width scaling height* 2. the width is null or zero and au

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