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Length: 1130 (0x46a)
Types: TextFile
Names: »usr/admin/menu/diskmgmt/erase «
└─⟦3d8f416b2⟧ Bits:30004042/core2.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦this⟧ »usr/admin/menu/diskmgmt/erase «
#ident "@(#)sadmin:admin/menu/diskmgmt/erase 2.3"
#menu# erase data from removable medium
#help#
#help# This procedure erases a removable medium by over writing it with
#help# null bytes. It's main purpose is to remove data that you don't want
#help# anyone to ever see. Needless to say, once performed it is
#help# irreversible.
trap exit 1 2 15
echo '▶07◀
This procedure completely erases all data on the removable medium.
BE SURE THAT IS WHAT YOU WANT TO DO!!▶07◀
'
lumps=200 # Number of blocks per erased segment of media.
dir=${0}.d
if [ -d ${dir} ]
then
patterns=`ls ${dir} 2>/dev/null`
else
patterns=
fi
ddrive=`selectdevice -c $$ /dev/rSA ${patterns}`
ndrive=`drivename ${ddrive}`
if [ -n "${patterns}" ]
then
. ${dir}/`selpattern ${ddrive}`
fi
disklabel -w -q "Insert the medium you want to erase in the ${ndrive}.
Press <RETURN> when ready. [q]" $$ ${ddrive} >/dev/null
a=`spclsize -b ${ddrive}`
while [ $a -gt 0 ]
do
echo "" | dd bs=${lumps}b conv=sync 2>/dev/null
a=`expr $a - ${lumps}`
echo .\\c >&2
done >${ddrive}
echo "
This medium is erased.
You may now remove the medium from the ${ndrive}.▶07◀
"