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Default possibly unset variables to empty
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2 changed files with 2 additions and 2 deletions
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@ -49,7 +49,7 @@
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# Set up results_filter
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local results_filter
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if [[ $QUIET == y ]]; then
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if [[ ${QUIET-} == y ]]; then
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if type -w perl >/dev/null; then
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results_filter=${0:A:h}/tap-filter
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else
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