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- Anti-example:
- $ env | grep -E '^V='
- $ V="x" echo $V
- $ V="x"; echo $V
- x
- $ env | grep -E '^V='
- $ V="y" env | grep -E '^V='
- V=y
- $ V="y" echo $V
- x
- # ANTI-FEATURES
- ## expansion
- In normal shells:
- $ X="a b" ; ls $X
- ls: a: No such file or directory
- ls: b: No such file or directory
- $ X="a b" ; ls "$X"
- ls: a b: No such file or directory
- In our shell, one lexical token stays one lexical token.
- In our shell, we exit on undefined variables
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