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15 lines
547 B
Text
Executable file
15 lines
547 B
Text
Executable file
exec 2>&1
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# bash documentation says that precedence order is:
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# ...
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# expr ? expr1 : expr2
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# = *= /= %= += -= <<= >>= &= ^= |=
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# exprA , exprB
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# but in practice, the rules for expr1 and expr2 are different:
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# assignments and commas in expr1 have higher precedence than :?,
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# but in expr2 they haven't:
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# "v ? 1,2 : 3,4" is parsed as "(v ? (1,2) : 3),4"
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# "v ? a=2 : b=4" is parsed as "(v ? (a=1) : b)=4" (thus, this is a syntax error)
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echo 4:$((0 ? 1,2 : 3,4))
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echo 4:$((1 ? 1,2 : 3,4))
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echo 4:"$((0 ? 1,2 : 3,4))"
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echo 4:"$((1 ? 1,2 : 3,4))"
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