Merge pull request #1 from ashley-abbott/hotfix/IFS-wreaking-havoc

added in a lock file to use the fd, included local var inside functions

check_last_yum

@@ -30,12 +30,14 @@ while [[ -n "$1" ]]; do
 done
 
 function ok() {
-  echo "OK - $1"
+  local MESSAGE="$*"
+  echo "OK - $MESSAGE"
   exit 0
 }
 
 function warn() {
-  echo "WARNING - $1"
+  local MESSAGE="$*"
+  echo "WARNING - $MESSAGE"
   exit 1
 }
 
@@ -46,6 +48,9 @@ function unknown() {
 
 command -v yum >/dev/null 2>&1 || unknown "YUM Command Not Defined"
 
+LOCK=/tmp/$(basename $0)
+exec 100>$LOCK
+
 flock -w 10 100 || unknown "Another \"check_last_yum\" check is running, could not obtain lock"
 
 warning=${warning:=60}
@@ -69,4 +74,5 @@ else
   unknown
 fi
 
-# EOF
+# EOF
+