OPTIONS is used to untar different compressions formats. file defined by the file input stream. The tar command has the following syntax which can be used to untar files and folders in different ways.
#Untar a file java code#
Create a gzip input stream to decompress the source i m also working on a piece of code that requires to perform gunzip and untar. Create a file input stream to read the source file.įileInputStream fis = new FileInputStream(sourceFile)
While GZipOutputStream was used to create the gzip file, the GZipInputStream is the class that handles the decompression. This option must be followed by the name of the tar file. These core libraries are part of the package, where we can find all zipping- and unzipping-related utilities.
#Untar a file java how to#
f: File, the name of the tar file we want tar to work with. In this quick tutorial, we'll learn how to zip a file into an archive and how to unzip the archive, all using core libraries provided by Java. z: Gzip, use gzip to decompress the tar file. v: Verbose, list the files as they are being extracted. Just like the previous example, we are also going to use the FileInputStream and FileOutputStream class to read the compressed source file and to write out the decompressed file. The command line options we used are: -x: Extract, retrieve the files from the tar file. To unzip a zip file, we will make use of ZipInputStream to read the zip file. However, running this code after the first failed attempt works fine. The second proc.waitFor () returns exit code 2.
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To get the file back to its original version we will now learn how to decompress the gzip file. In this tutorial, will learn how to Unzip the folder using Core Java libraries. proc runtime.exec (mountCommand) proc.waitFor () proc runtime.exec (extractCommand) proc.waitFor () Running the mount command and extract command in the terminal works fine, but fails when FIRST run in java. Tagged: contents, files, find, jar, jar file, java, linux, shell scripts, view.
In the previous example we have learn how to compress a file in GZIP format. i try with gzip, but when i extract 30 ear files i cant make separate.
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