From 6184a88d0f4007492e17f100616384d022b35d4f Mon Sep 17 00:00:00 2001
From: Bryan Roessler <bryanroessler@gmail.com>
Date: Sun, 2 Jan 2022 23:44:16 -0500
Subject: [PATCH] Fix R update script

---
 script-system-update-r | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/script-system-update-r b/script-system-update-r
index e5de95ee..ce43023d 100755
--- a/script-system-update-r
+++ b/script-system-update-r
@@ -13,15 +13,20 @@ is_root
 
 if [[ $# -eq 2 ]]; then
     re='^[0-9].[0-9].[0-9]$'
-    [[ $1 =~ $re ]] || echo "Bad R version number" && exit 1
+    if [[ ! $1 =~ $re ]]; then
+        echo "Bad R version number"
+        exit 1
+    fi
     re='^[0-9][0-9][0-9][0-9].[0-9][0-9].[0-9]-[0-9]+$'
-    [[ $2 =~ $re ]] || echo "Bad RStudio version number" && exit 1
+    if [[ ! $2 =~ $re ]]; then
+        echo "Bad RStudio version number"
+        exit 1
+    fi
 else
     echo "You must provide exactly two arguments!"
     echo "\$1: R version, ex. '4.1.2'"
     echo "\$2: RStudio version, ex. '2021.09.1-372'"
     exit 1
-
 fi
 
 ask_ok "Update R to version $1 and RStudio to version $2?" || exit $?