Re: zcat problem under 5.1 ML3
From: Bill Thompson (bill.thompson_at_GOODYEAR.COM)
Date: 06/23/03
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Date: Mon, 23 Jun 2003 06:49:51 -0400 To: aix-l@Princeton.EDU
Mark,
This is not unexpected behavior for the zcat that is supplied by AIX. A
file with an upper-case Z extension designates a file created by the
"compress" command. A file with a lower-case Z extension designates a file
created by the "pack" command and cannot be viewed with the zcat command.
From the man page:
"The zcat command allows the user to expand and view a compressed file
without uncompressing that file."
However, there is another "version" of zcat that is not an actual program,
but is a symbolic link to the "gzip" command. This version of zcat will
allow you to view compressed files with an "incorrect" extension.
At some time somebody probably overwrote /usr/bin/zcat on your system with
a symbolic link to gzip. The ML upgrade replaced the link with a new copy
of the AIX version of zcat, thus the different behavior.
HTH
Bill Thompson
Sr UNIX Systems Administrator
The Goodyear Tire & Rubber Co.
Contains Confidential and/or Proprietary Information
May Not Be Copied or Disseminated Without Express Consent of The Goodyear
Tire & Rubber Company.
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----- Original Message -----
From: "Cousins Mark - mcousi" <mcousi@ACXIOM.CO.UK>
Newsgroups: bit.listserv.aix-l
To: <aix-l@Princeton.EDU>
Sent: Monday, June 23, 2003 6:24 AM
Subject: zcat problem under 5.1 ML3
> Chaps,
>
> We upgraded to ML03 (AIX 5.1) on our p690 at the weekend. Since then zcat
> won't read .z files. Eg:
>
> zcat ./smit.log.z
> ./smit.log.z.Z: A file or directory in the path name does not exist.
>
> Although it will quite happily read smit.log.Z.
>
> Anyone come across this behaviour?
>
>
>
> Mark Scott Cousins
> O/ITS Unix Systems Administrator
>
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