Default possibly unset variables to empty

This commit is contained in:
Matthew Martin
2017-11-02 19:24:56 -05:00
parent a33c72e838
commit a9ce931439
2 changed files with 2 additions and 2 deletions

View File

@@ -49,7 +49,7 @@
# Set up results_filter
local results_filter
if [[ $QUIET == y ]]; then
if [[ ${QUIET-} == y ]]; then
if type -w perl >/dev/null; then
results_filter=${0:A:h}/tap-filter
else