diff options
| -rw-r--r-- | lib/control.sh | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/control.sh b/lib/control.sh index a20ea3c..439f52a 100644 --- a/lib/control.sh +++ b/lib/control.sh @@ -208,10 +208,8 @@ ob_set_substvar() # Convert variable name to uppercase and validate. name="$(echo "${name}" | tr 'a-z-' 'A-Z_')" - case "${name:- }" in - *[!A-Z0-9_]*) - return 125 - ;; + case "${name}" in *[!A-Z0-9_]* | '') + return 125 esac # Trim leading and trailing whitespace from value. |