hplif
====
## a variety of disk formats used by HP
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LIF, a.k.a. Logical Interchange Format, is a series of formats used by
Hewlett-Packard across their entire range of computers, from calculators to
modern servers. It also defines a simple non-hierarchical filesystem which is
bizarrely _still_ supported by HP-UX systems.

Floppy-disk wise, they're yet more variations of the standard IBM floppy
encoding scheme.

## Options

  - Format variants:
      - `264`: 264kB 3.5" 66-track SSDD; HP9121 format
      - `608`: 608kB 3.5" 76-track DSDD; HP9122 format
      - `616`: 616kB 3.5" 77-track DSDD
      - `770`: 770kB 3.5" 77-track DSDD

## Examples

To read:

  - `fluxengine read hplif --264 -s drive:0 -o hplif.img`
  - `fluxengine read hplif --608 -s drive:0 -o hplif.img`
  - `fluxengine read hplif --616 -s drive:0 -o hplif.img`
  - `fluxengine read hplif --770 -s drive:0 -o hplif.img`

To write:

  - `fluxengine write hplif --264 -d drive:0 -i hplif.img`
  - `fluxengine write hplif --608 -d drive:0 -i hplif.img`
  - `fluxengine write hplif --616 -d drive:0 -i hplif.img`
  - `fluxengine write hplif --770 -d drive:0 -i hplif.img`

## References

  * [A summary of the Hewlett Packard floppy disk
    formats](http://www.bitsavers.org/pdf/hp/disc/912x/HP_Flexible_Disk_Formats.pdf)

