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On 9/6/2012 12:55 AM, Ulrich Mueller wrote: |
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>>>>>> On Thu, 06 Sep 2012, Gregory M Turner wrote: |
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>> Several correct-ish solutions exist, i.e., in the above we could change |
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>> the concatenation statement to read: |
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> |
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>> EROOT="${ROOT}${EPREFIX#/}" |
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> |
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> I'd rather do it the other way around: |
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> EROOT=${ROOT%/}${EPREFIX} |
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> |
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> Reason: EPREFIX is guaranteed to start with a slash, whereas for ROOT |
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> I wouldn't be so sure that it always ends with one. |
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Good point, but EPREFIX is empty for non-prefix gentoo. So, I guess: |
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EROOT="${ROOT%/}/${EPREFIX#/}" |
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It's a contrived example anyhow, so it's mostly academic. |
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My main concern is the correct behavior when ROOT is defined, but empty |
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-- I mostly included this explanation to preempt anyone inclined to ask |
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"what are you trying to achieve?" :P |
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-gmt |
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