From f175fb86dc07d2b8a2fbeb5eec91ba8dcf3369ca Mon Sep 17 00:00:00 2001
From: Zack T <MLBZ521@gmail.com>
Date: Mon, 29 Jan 2018 22:06:18 -0700
Subject: [PATCH] v1.2 = Improved search for Existing App Bundles

 + Changed the interpreter to bash (was causing issues)
 + Changed up the while loop App existence check, as previously couldn't properly report "No versions found"
---
 Software/SPSS Statistics/uninstall_SPSS.sh | 32 +++++++++++++---------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/Software/SPSS Statistics/uninstall_SPSS.sh b/Software/SPSS Statistics/uninstall_SPSS.sh
index b5bb270..433027b 100644
--- a/Software/SPSS Statistics/uninstall_SPSS.sh	
+++ b/Software/SPSS Statistics/uninstall_SPSS.sh	
@@ -1,9 +1,9 @@
-#! /bin/sh
+#! /bin/bash
 
 ###################################################################################################
 # Script Name:  uninstall_SPSS.sh
 # By:  Zack Thompson / Created:  11/1/2017
-# Version:  1.1 / Updated:  1/18/2018 / By:  ZT
+# Version:  1.2 / Updated:  1/25/2018 / By:  ZT
 #
 # Description:  Remove previous version(s) of SPSS from /Applications
 #
@@ -11,18 +11,24 @@
 
 /bin/echo "*****  Uninstall SPSS process:  START  *****"
 
-# If the machine has multiple SPSS Applications, loop through them...
-/usr/bin/find -E /Applications -iregex ".*[/](SPSS) ?(Statistics) ?(\d\d)?[.]app" -type d -prune | while IFS="\n" read -r appPath; do
+/bin/echo "Searching for existing SPSS instances..."
+appPaths=$(/usr/bin/find -E /Applications -iregex ".*[/](SPSS) ?(Statistics) ?([0-9]{2})?[.]app" -type d -prune)
 
-	# Get the App Bundle name
-		appName=$(/bin/echo $appPath | /usr/bin/awk -F "/" '{print $NF}')
-	# Get only the install path
-		installPath=$(/bin/echo $appPath | /usr/bin/awk -F "/$appName" '{print $1}')
-	# Delete the old version
-		/bin/echo "Uninstalling:  ${appPath}"
-		/bin/rm -rf "${installPath}"
-
-done
+# Verify that a SPSS version was found.
+if [[ -z "${appPaths}" ]]; then
+	/bin/echo "Did not find an instance SPSS!"
+else
+	# If the machine has multiple SPSS Applications, loop through them...
+	while IFS="\n" read -r appPath; do
+		# Get the App Bundle name
+			appName=$(/bin/echo $appPath | /usr/bin/awk -F "/" '{print $NF}')
+		# Get only the install path
+			installPath=$(/bin/echo $appPath | /usr/bin/awk -F "/$appName" '{print $1}')
+		# Delete the old version
+			/bin/echo "Uninstalling:  ${appPath}"
+			/bin/rm -rf "${installPath}"
+	done < <(/bin/echo "${appPaths}")
+fi
 
 /bin/echo "*****  Uninstall SPSS process:  COMPLETE  *****"