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Update compressed archive (TAR)
Post 302170714 by robotronic on Tuesday 26th of February 2008 02:13:20 PM
02-26-2008
As far as I know, I think you are forced to uncompress the tarfile before trying an update and then recompress the updated file 
I thought it was possible to do the trick with a named pipe but the tar update command needs a real non-compressed tarfile to process, so it's useless.
I thought it was possible to do the trick with a named pipe but the tar update command needs a real non-compressed tarfile to process, so it's useless.
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LEARN ABOUT OPENDARWIN
deb-old
deb-old(5) dpkg suite deb-old(5) NAME
deb-old - old style Debian binary package format SYNOPSIS
filename.deb DESCRIPTION
The .deb format is the Debian binary package file format. This manual page describes the old format, used before Debian 0.93. Please see deb(5) for details of the new format. FORMAT
The file is two lines of format information as ASCII text, followed by two concatenated gzipped ustar files. The first line is the format version number padded to 8 digits, and is 0.939000 for all old-format archives. The second line is a decimal string (without leading zeroes) giving the length of the first gzipped tarfile. Each of these lines is terminated with a single newline character. The first tarfile contains the control information, as a series of ordinary files. The file control must be present, as it contains the core control information. In some very old archives, the files in the control tarfile may optionally be in a DEBIAN subdirectory. In that case, the DEBIAN subdirectory will be in the control tarfile too, and the control tarfile will have only files in that directory. Optionally the control tarfile may contain an entry for '.', that is, the current directory. The second gzipped tarfile is the filesystem archive, containing pathnames relative to the root directory of the system to be installed on. The pathnames do not have leading slashes. SEE ALSO
deb(5), dpkg-deb(1), deb-control(5). 1.19.0.5 2018-04-16 deb-old(5)