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Dne 31.8.2011 21:03, Ulrich Mueller napsal(a): |
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>>>>>> On Wed, 31 Aug 2011, Alec Warner wrote: |
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>> Also it is my understanding that all tokens in $(()) go through |
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>> expansion, so for instance: |
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>> $(( 1024 * 1024 * size )) |
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>> and |
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>> $(( 1024 * 1024 * ${size})) are equivalent. |
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>> Is this only in bash4? |
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> It's like this since bash 2.05 at least. |
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> |
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>> Do we have a style preference? |
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> Personally, I'd prefer the first variant. |
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> |
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> Ulrich |
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> |
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I thought it is mandatory to use the second variant, otherwise i preffer |
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the first myself as it is from bash 2 or so :) |
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