bash_n_examples/bash/printchar/tmp.sh

   1
   2 echo asdfas |wc -L
   3 sp=kldajs
   4 echo ${#sp}
   5 echo ${sp::2}
   6 echo $COLUMNS
   7 i=1
   8 #sp='/-\|'
   9 sp='.oO°Oo.'
  10 echo -n ' '
  11 while true; do
  12 sleep 0.2
  13 #ASD="${sp:i++%${#sp}:1}"
  14 #echo "${i}"
  15 printf "\b${sp:i++%${#sp}:1}"
  16 done