Cleanup spinner.sh

1 files changed, 6 insertions, 3 deletions

diff --git a/spinner.sh b/spinner.sh
index 91b9649..83fc536 100644
--- a/spinner.sh
+++ b/spinner.sh
@@ -1,13 +1,16 @@
+#!/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 str=""
     local delay="0.1"
     tput civis  # hide cursor
-    printf "${WHT}"
-    while [ -d /proc/$PROC ]; do
+    echo -ne "${WHT}"
+    while [ -d /proc/"$PROC" ]; do
         #-\|/
         #⠁⠂⠄⡀⢀⠠⠐⠈
         #▁▂▃▄▅▆▇█▇▆▅▄▃▂▁
@@ -35,7 +38,7 @@ spinner() {
         printf '\033[s\033[u[ ▂ ] %s\033[u' "$str"; sleep "$delay"
         printf '\033[s\033[u[ ▁ ] %s\033[u' "$str"; sleep "$delay"
     done
-    wait ${PROC}
+    wait "${PROC}"
     retval=$?
     printf '\033[s\033[u%*s\033[u\033[0m' $((${#str}+6)) " "  # return to normal
     tput cnorm  # restore cursor