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lib/preview: handle unbound parameter

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If $BASH_PREVIEW is unset, treat it as blank.
This commit is contained in:
John D Pell
2021-07-25 21:09:51 -07:00
parent 02c13b7921
commit bcd67db4ab
1 changed files with 1 additions and 1 deletions
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lib/preview.bash
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@@ -1,4 +1,4 @@
if [[ $BASH_PREVIEW ]]; if [[ "${BASH_PREVIEW:-}" ]];
then then
unset BASH_PREVIEW #Prevent infinite looping unset BASH_PREVIEW #Prevent infinite looping
echo " echo "