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Annotation of dmsdos/man/cvftest.1, revision 1.1

1.1     ! root        1: .TH cvftest 1 "10 Oct 1998" "dmsdos 0.9.2.0" "dmsdos CVF identification tool"
        !             2: .SH NAME
        !             3: cvftest \- dmsdos CVF identification tool
        !             4: .SH SYNOPSIS
        !             5: 
        !             6: .BI cvftest " filename [-v]"
        !             7: 
        !             8: .SH DESCRIPTION
        !             9: .I cvftest 
        !            10: tries to find out whether the file (or device)
        !            11: .I filename
        !            12: is a CVF. It does so by reading the first 512 bytes from
        !            13: .I filename
        !            14: and checking for certain strings.
        !            15: 
        !            16: If
        !            17: .I filename
        !            18: is just a minus sign (-) the data are read from standard input.
        !            19: 
        !            20: If the switch
        !            21: .I -v
        !            22: is given the result of the test is printed to standard output including
        !            23: a description about what kind of CVF was detected.
        !            24: 
        !            25: .SH RETURN VALUES
        !            26: .I cvftest 
        !            27: returns zero (i.e. true) if 
        !            28: .I filename
        !            29: has been recognized as a CVF. Otherwise it returns 1. A value >1
        !            30: indicates an error (e.g. 
        !            31: .I filename
        !            32: does not exist or cannot be read).
        !            33: 
        !            34: .SH BUGS
        !            35: This program is so simple that it could be a shell script. But I'm not a shell
        !            36: hacker, so it's C.
        !            37: 
        !            38: The test is not idiot-proof. As it just checks for some magic values, it
        !            39: might eventually misidentify other files as CVFs. These cases are supposed
        !            40: to be extremely unlikely, though, and have never been reported yet. But if
        !            41: you take a look at the source you easily find a way to fool the program :-)
        !            42: 
        !            43: .SH SEE ALSO
        !            44: 
        !            45: Refer to the dmsdos main documentation for further information.

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