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dskscan(1)                         Emulators                        dskscan(1)


NAME

       dskscan - Scan a floppy disc for sector headers


SYNOPSIS

       dskscan [-type TYPE] [-side SIDE] [-comp COMP] [-dstep] [-retry COUNT]
       [-format FMT] [-first CYLINDER] [-last CYLINDER] [-xml] DISKIMAGE


DESCRIPTION

       Dskscan scans a floppy disc (or a disc image) and prints any sector
       headers that it finds. It does not attempt to read the sectors.


OPTIONS

       -type TYPE
              Determines which driver is to be used to read from the disc.

              auto    Select according to the disc image file. This is the
                      default.

              dsk     Use the DSK (CPCEmu format) image driver.

              edsk    Use the extended version of the DSK format.

              floppy  Use the floppy driver.

              myz80   Use the hard disk (MYZ80 format) image driver.  (This
                      format cannot be autodetected.)

              cfi     Use the CFI (DOS fdcopy format) image driver.  (This
                      format cannot be autodetected.)

              apridisk
                      Use the ApriDisk image driver (from the utility of the
                      same name).  (This format cannot be autodetected.)

              raw     Use the raw driver.

       -comp COMP
              Select the compression method used on the source disc image file
              (has no effect when reading a floppy disc).

              auto    Detect from the first few bytes of the file. This is the
                      default.

              sq      Huffman coded (SQ / USQ).

              gz      Gzipped (gzip / gunzip).

              bz2     Burrows-Wheeler compressed (bzip2 / bunzip2).

       -side SIDE
              Determines which side (0 or 1) of the source disc is to be
              scanned. If this option is not present both sides will be
              scanned.

       -dstep Double-step the source drive (used to read 360k discs in 1.2Mb
              drives). Only supported by the Linux floppy driver.

       -retry COUNT
              Set the number of times to attempt a read/write/format in case
              of error.

       -format FMT
              Do not autodetect the disc format; use the named format. The
              format need only be an approximation to the actual format used
              by the disc.

       -first CYL
              Start scanning at the specified cylinder.

       -last CYL
              Scan up to and including the specified cylinder.

       -xml   Output results as XML rather than as text; if you are launching
              dskscan from another program which then parses what dskscan
              prints, this may be easier for it to cope with.


AUTHOR

       John Elliott <jce@seasip.demon.co.uk>.

Version 1.2.1                   23 January 2008                     dskscan(1)

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