On Sun, 20 Nov 2016 09:27:27 +0200 Sergey Poznyakoff <g...@gnu.org.ua> wrote:
> Neal P. Murphy <neal.p.mur...@alum.wpi.edu> ha escrit: > > > Wait. Do I have to explicitly specify every dir in each file's path > > when selecting a subset of files in a tarball? > > Judging by the question, the following link might be of interest to you: > > http://lists.gnu.org/archive/html/bug-tar/2016-09/msg00019.html Apologies. 30 years of using UNIX/Linux and only *now* have I noticed that this is how tar/cpio/rsync work. But I thought of a fairly elegant solution: get all of the dir names. Assume that the list of files (with './') to extract is in pkg.list. The list is a subset of all of the files in pkg. Then: ---- while read path; do path=`dirname $path` while [ "$path" != "." ]; do echo $path path=`dirname $path` done done < pkg.list | sort | uniq > pkg.dirs mkdir distrib tar xvf path/to/pkg.tar.gz -C distrib -T pkg.list -T pkg.dirs ---- Caveat: the dirs also must be in the archive.
