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- Path: sparky!uunet!gatech!emory!wupost!csus.edu!netcom.com!netcomsv!ulogic!hartman
- From: hartman@ulogic.UUCP (Richard M. Hartman)
- Newsgroups: comp.compression
- Subject: Re: PKZip 2.04c quick impressions
- Message-ID: <829@ulogic.UUCP>
- Date: 8 Jan 93 19:22:30 GMT
- References: <1993Jan5.172729.23504@midway.uchicago.edu: <814@ulogic.UUCP> <1993Jan7.190025.8796@midway.uchicago.edu>
- Organization: negligable
- Lines: 37
-
- In article <1993Jan7.190025.8796@midway.uchicago.edu: roe2@midway.uchicago.edu writes:
- :I wrote:
- :
- :>>I don't recall how to create an empty file without "touch"
- :
- :hartman@ulogic.UUCP (Richard M. Hartman) writes:
- :
- :> C:> REM >file.000
- :
- :In any case, it's irrelevant, since it's not a real file after all, but
- :the floppy's volume label. I'm not sure if "echo PKDISK#.001 | label a:"
- :would work, but in any case it's quite likely that we'll want to do this
- :in a program instead of a batch file (assuming we do it at all).
-
- Oh. That's different. Never mind! <g:
-
- There must be a bios call somewhere for labeling a disk...
-
- :>>He was talking about packing, not unpacking. Getting rid of the bad
- :>>disk is the proper response when writing the archive.
- :
- :>I don't think it got rid of the bad disk. I think it stopped using it.
- :>That is, if the bad sector is #20, it used 19 sectors of that disk then
- :>went to the next disk, leaving an almost unused disk in the middle of
- :>the archive.
- :
- :Sorry, ambiguous writing on my part--that's what I meant ("get rid" of
- :the disk by ceasing to use it as soon as an error is encountered). An
- :even better solution would be to get rid of the bad disk entirely, but
- :that's probably not practical: it would require reconstructing the state
- :of the data stream at the beginning of the bad disk, or else keeping a
- :floppy-sized data buffer within the program. Reading the already-written
- :data back off the bad diskette is not a valid option, in my mind.
-
- What is wrong with skipping the bad sector and continuing using the
- rest of the disk?
-
-