Something

# Just the first character is printed.# ------------------------------------------------------- ## I first try:i=1T=1    sp="/-\|"    echo -n ' '    while true # [[ T != 1 ]] # <--- I try using this instead of 'true' but no luck either    do#echo '.'; sleep 2 ;echo -en "\b${sp:i++%${#sp}:1}"md5sum ./*.iso >> ~/Desktop/Gigantic_verified.md5T=1doneecho -ne "\nDone : )\n\n\t"# ------------------------------------------------------- ## Then I try:T=1while [[ T != 1 ]] ;  do echo '.'; sleep 2 ;md5sum ./*.iso >> ~/Desktop/Gigantic_verified.md5T=1doneecho -ne "\nDone : )\n\n\t"# ------------------------------------------------------- ## Then I try:sp="/-\|"sc=0spin() {    while true [[ T != 1 ]]    do echo -en "\b${sp:i++%${#sp}:1}"    done       }#echo '.'; sleep 2 ;md5sum ./*.iso >> ~/Desktop/Gigantic_verified.md5T=1#doneecho -ne "\nDone : )\n\n\t"