#!/bin/sh
#
# (1) input from df
#
df | \
#
# (2) print(to mail) upper HDD %
#
gawk '
NR>1 {print $1, $5}
' | \
gawk '
{
  # 80D݂̐lɁ`
  if ($2 > 70) { print $1, $2 }
}

'
