You should always use the f option to specify the archive - for example
tar -tzf archive.tgz
to list or
tar -xzf archive.tgz
to extract. In your example below, you didn't specify an archive so it
defaulted to the device /dev/sa0, which it couldn't open.
Any extra arguments are treated as archive members - eg
tar -xzf archive.tgz files/to/extract
In your example below, it was trying to find 2 files in a non-existent
archive.
----- Original Message -----
From: "Martin McCormick" <[EMAIL PROTECTED]>
Subject: Extracting individual Files via tar
> The command
>
> tar ztf /usr/local/src/ports.tar.gz
>
> produces a table of contents just like the man page says it should.
> The man page also says that individual files can be recovered or
> listed but I haven't gotten that to work at all. if I try:
>
> $ tar zt ports/print/pstotext/ /usr/local/src/ports.tar.gz
>
> tar (child): /dev/sa0: Cannot open: Permission denied
> tar (child): Error is not recoverable: exiting now
>
> gzip: stdin: unexpected end of file
> tar: Child returned status 2
> tar: ports/print/pstotext: Not found in archive
> tar: /usr/local/src/ports.tar.gz: Not found in archive
> tar: Error exit delayed from previous errors
>
> In the successful test, tar obviously knew which specification
> was the archive and was able to uncompress it with the z flag. The
> file specification I am attempting to recover from the archive throws
> tar completely off. I looked in the handbook and all the examples I
> found were the more usual procedure of unpacking whole file systems
> as in
>
> tar zxf somedir/archive.tar.gz
>
> I'm not having trouble with that use of tar.
>
> Thank you.
>
> Martin McCormick WB5AGZ Stillwater, OK
> OSU Information Technology Division Network Operations Group
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