[Bug 1009] zcat: is the command in or out?

[email protected] changed:

           What    |Removed                     |Added
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         AssignedTo|[email protected]  |[email protected]




------- Additional Comments From [email protected]  2005-08-16 13:34 -------
since we require gzip and gunzip, requiring zcat is going to be no hardship for
anyone (it is a link to one or the other or both).

POSIX requires zcat for the XSI option: "The zcat utility shall write to
standard output the uncompressed form of files that have been compressed using
the compress utility. It is the equivalent of uncompress -c. Input files are not
affected."

Since gunzip must be able to handle files compressed with the compress utility,
I'd be happy to add this with the following wording:

The zcat utility shall behave as described in POSIX (2003), with differences
listed below.
The zcat utility shall write to standard output the uncompressed form of files
that have been compressed using any of the compression methods supported by the
gzip utility. It is the equivalent of gunzip -c. Input files are not affected.
   NOTE Since the compress format is a required compression method for gzip, an
LSB conforming implementation of zcat is also conforming to POSIX (2003).
   
 
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