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Homework and Emergencies Homework & Coursework Questions UNIX Recycle Bin - restore function Post 302472530 by DGPickett on Wednesday 17th of November 2010 10:41:23 AM
Old 11-17-2010
Maybe it was that tar I got on my favorite jacket at Mystic Seaport. Smilie

You seem to have a newer tar, that has compression and allows '-' arguments, but there are some really old ones out there that do not behave as normally or nice. This forum is not UNIX-flavor-specific, and I hate it when an old command refuses my examples!

I do not memorize cpio syntax, I write it in scripts, or I get cpio managed free in recursive modes of cp, rcp, scp, scp2. Some scp2 have a -d that says the target must be a pre-existing dir, so the 'different result second time' problem is averted.

Also tar does not have a linking to original, not copying, option like cpio pass and cp, since when space was a concern and overwrite was not, the object was to create a clone tree of hard links?
 

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rpm2cpio(1)							   User Commands						       rpm2cpio(1)

NAME
rpm2cpio - convert Red Hat Package (RPM) to cpio archive SYNOPSIS
rpm2cpio [file.rpm] DESCRIPTION
The rpm2cpio utility converts the .rpm file specified as its sole argument to a cpio archive on standard output. (See NOTES.) If no argu- ment is given, an rpm stream is read from standard input. In both cases, rpm2cpio will fail and print a usage message if the standard out- put is a terminal. Therefore, the output is usually redirected to a file or piped through the cpio(1) utility. EXAMPLES
Example 1: Converting an rpm file example% rpm2cpio Device3Dfx-1.1-2.src.rpm | cpio -itv CPIO archive found! -rw-r--r-- 1 root root 2635 Sep 13 16:39 1998, 3dfx.gif -rw-r--r-- 1 root root 11339 Sep 27 16:03 1998, Dev3Dfx.tar.gz -rw-r--r-- 1 root root 1387 Sep 27 16:04 1998, Device3Dfx-1.1-2.spec 31 blocks Example 2: Converting from standard input example% rpm2cpio < Device3Dfx-1.1-2.src.rpm | cpio -itv CPIO archive found! -rw-r--r-- 1 root root 2635 Sep 13 16:39 1998, 3dfx.gif -rw-r--r-- 1 root root 11339 Sep 27 16:03 1998, Dev3Dfx.tar.gz -rw-r--r-- 1 root root 1387 Sep 27 16:04 1998, Device3Dfx-1.1-2.spec 31 blocks ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWrpm | +-----------------------------+-----------------------------+ SEE ALSO
cpio(1), attributes(5) NOTES
rpm2cpio handles versions 3 and 4 RPMs. SunOS 5.10 20 Aug 2001 rpm2cpio(1)
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