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LucasLarson / update

update all the things
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refactor: unset variables with graceful degradation (#53) #56

Closed LucasLarson closed 7 months ago

LucasLarson commented 7 months ago

for shells that correctly interpret unset variable, it is wasteful to first clear the variable with variable=''; to fix #53, that behavior is now relegated to only situations and interpreters where unset fails.