Slightly off topic ...

[Helmut Waitzmann]

David Shaw <dshaw@jabberwocky.com> writes:

>a shell script:
>
>  #!/bin/bash
>
>  mount /mnt/floppy
>  gpg --clearsign $*
>  umount /mnt/floppy

Don't use $*!  Parameters will be get broken at while spaces, see
bash(1) or sh(1).  Use ${1+"$@"} instead:

  #!/bin/bash

  mount /mnt/floppy
  gpg --clearsign ${1+"$@"}
  umount /mnt/floppy