scripts/_add_linefeed.sh

   1 #add linefeed if there isn't
   2 [ -z "$1" ] && exit 1
   3 FILE="$1"
   4 [ ! -f "$FILE" ] && touch "$FILE" && exit 0
   5
   6 SIZE=`stat -c '%s' "$FILE"`
   7 retval=$?
   8 [ "$retval" != 0 ] && exit $retval
   9
  10 [ "$SIZE" -lt 1 ] && exit 0
  11
  12 FEND=`od -v -A n -t x1 -N 1 -j $(expr $SIZE - 1) "$FILE"`
  13 retval=$?
  14 [ "$retval" != 0 ] && exit $retval
  15
  16 [ "$FEND" != " 0a" ] && echo >> "$FILE" || true