#!/bin/sh

# License: LGPLv2

# _
#[ ]
#[_]
#
#  ]
#  ]
# _
# _]
#[_
# _
# _]
# _]
#
#[_]
#  ]
# _
#[_
# _]
# _
#[_
#[_]
# _
#  ]
#  ]
# _
#[_]
#[_]
# _
#[_]
#  ]

#!/bin/sh
# This script is pretty useless actually but
# demonstrates a couple of concepts:
#  a. self referencing
#  b. getting range of lines from a file
#
# example usage is:
#  clear; for i in `seq 0 9`; do ./7seg $i; sleep 1; clear; done

case $1 in
  [0-9]) ;;
  *) echo "Usage is $0 num, where num is 0 to 9" >&2; exit 1;;
esac

num_plus_one=`expr $1 + 1`
lines_minus_one=`expr $num_plus_one \* 3`
head -`expr $lines_minus_one + 1` `which $0` | tail -3 | cut -b2-