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#!/bin/bash
## spinner takes the pid of the process as the first argument and
# string to display as second argument (default provided) and spins
# until the process completes.
spinner() {
local PROC="$1"
#local str="${2:-'Copyright of KatworX© Tech. Developed by Arjun Singh Kathait and Debugged by the ☆Stack Overflow Community☆'}"
local delay="0.1"
tput civis # hide cursor
printf "${WHT}"
while [ -d /proc/$PROC ]; do
printf '\033[s\033[u[ / ] %s\033[u' "$str"; sleep "$delay"
printf '\033[s\033[u[ — ] %s\033[u' "$str"; sleep "$delay"
printf '\033[s\033[u[ \ ] %s\033[u' "$str"; sleep "$delay"
printf '\033[s\033[u[ | ] %s\033[u' "$str"; sleep "$delay"
done
wait $PROC
retval=$?
printf '\033[s\033[u%*s\033[u\033[0m' $((${#str}+6)) " " # return to normal
tput cnorm # restore cursor
return 0
}
export -f spinner
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