tar command to explore multiple layers of tar and tar.gz files Post: 302538331

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Top Forums Shell Programming and Scripting tar command to explore multiple layers of tar and tar.gz files Post 302538331 by bashnewbee on Tuesday 12th of July 2011 03:10:28 PM

07-12-2011

Registered User

tar command to explore multiple layers of tar and tar.gz files

Hi all,

I have a tar file and inside that tar file is a folder with additional tar.gz files. What I want to do is look inside the first tar file and then find the second tar file I'm looking for, look inside that tar.gz file to find a certain directory. I'm encountering issues by trying to look inside two tar files are once.

The tar file is structured as follows:

Code:

List_of_tests.tar -> These_are_the_tests folder -> several tar.gz files -> a series of folders which I want to search

So far for code I have:

Code:

PATH=`tar tf List_of_tests.tar | grep generaltest | xargs tar tf  | grep test42`

The first two commands (tar tf and grep) work correctly however I am unable to get the third command to run correctly. It tells me the directory does not exist and I believe this is because tar tf only lists what is inside that directory and therefore after executing the file the first time I lose List_of_tests.tar from the path and the path simply starts with These_are_the_tests/....

Any ideas?

Thanks!
Bashnewbee

Last edited by bashnewbee; 07-12-2011 at 04:21 PM..

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shape_tar

SHAPE_TAR(1)						      General Commands Manual						      SHAPE_TAR(1)

NAME

       shape_tar - shapeTools RMS bundle up subsystem in a tar or shar archive

SYNOPSIS

	shape tar[VERSIONS=<version_selection_rule>] [ARCHIVE=<filename>]

       shape shar[VERSIONS=<version_selection_rule>] [ARCHIVE=<filename>]

DESCRIPTION

       Shape tar and shape shar create a tar or a shar archive containing all source components of the current node in the system tree. All source
       components listed in the COMPONENTS macro in the Makefile and the release identification file (VERSIONFILE) are	written  to  the  archive.
       Components of subsystems are not included in the archive file.

       The  VERSIONS  macro  may  be  set  to  specify a version selection rule to be active during archive file creation. Default is most_recent,
       selecting the most recent version of each component. See shape_stdrul(7) or the $(SHAPELIBPATH)/stdrules for other possible  settings.  You
       may also use self defined version selection rules as VERSIONS.

       ARCHIVE	is  the base name of the file where the output shall be written to. Default is $(SUBSYSTEMNAME). The output file gets the filename
       extension .tar (resp. .shar).  When ARCHIVE=- is given, data will be written to standard output.

SEE ALSO

       shape_RMS(1), shape_stdrul(7)

FILES

       $(SUBSYSTEMNAME).tar $(SUBSYSTEMNAME).shar

7.8.119 															      SHAPE_TAR(1)