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Extract files from DEB package

Some day ago, I wrote about RPM extraction, today I need content of DEB packcage, on the contrary of rpm systems debian package manager allow to extract natively by this command:

#dpkg-deb -x somepackage.i386.deb

But my problem is different, I not using Debian sytem, fortunately DEB files are “ar” archives, which contain three files:
– debian-binary
– control.tar.gz
– data.tar.gz

first, extract “ar” archive with this simple command:

# ar vx somepackage.i386.deb

then extract the contents of data.tar.gz using tar:

# tar -xzvf data.tar.gz

Or, if you want, you can made in one step:

# ar p somepackage.i386.deb data.tar.gz | tar zx

Extract files from RPM package

There is no direct RPM option available via rpm command to extract an RPM file. But there is a small utility available called rpm2cpio. It Extract cpio archive from RPM Package Manager (RPM) package.
Example extract RPM file using rpm2cpio and cpio command:

# rpm2cpio somepackage.x86_64.rpm | cpio -idmv

Output of rpm2cpio piped to cpio command with following options:
i: Restore archive
d: Create leading directories where needed
m: Retain previous file modification times when creating files
v: Verbose

CSW packaging

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