1 files changed, 47 insertions, 1 deletions
diff --git a/functions.sh b/functions.sh
index d2ff5be..6b8671a 100644
--- a/functions.sh
+++ b/functions.sh
@@ -12,8 +12,54 @@ download()
 		printf "%b" "${RED}FAILED! WGET EXIT (${retval})\n${RST}"
 		exit "${retval}"
 	fi
-    printf "%b" "\b\b\b\b\n"
     tput cnorm
 }
 
 export -f download
+
+## 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 str=""
+    local delay="0.1"
+    tput civis  # hide cursor
+    printf "%b" "${WHT}"
+    while [ -d /proc/"$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"
+        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"
+        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"
+        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 $retval
+}
+
+export -f spinner