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On Monday 24 September 2007, René 'Necoro' Neumann wrote: |
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> Mike Frysinger schrieb: |
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> > On Monday 24 September 2007, Donnie Berkholz wrote: |
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> >> On 09:38 Mon 24 Sep , Richard Brown (rbrown) wrote: |
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> >>> if [ ! -n "$(readlink ${ROOT}usr/bin/ruby)" ] ; then |
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> >>> ${ROOT}usr/sbin/ruby-config ruby${SLOT/./} |
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> >>> |
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> >>> if [ ! -n "$(readlink ${ROOT}usr/bin/ruby)" ] ; then |
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> >>> ${ROOT}usr/sbin/ruby-config ruby${SLOT/./} |
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> >>> fi |
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> >> |
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> >> ROOT can have spaces in it too. |
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> > |
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> > this is why the form: |
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> > [[ -n $(readlink "${ROOT}"usr/bin/ruby) ]] |
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> > is preferred ... much easier to read and no nested quotes |
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> |
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> And: [[ ! -n ... ]] transforms to [[ -z ... ]] |
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|
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! -n and -z are equivalent but there are no standards from the point of view |
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of Gentoo ... this is purely whatever logic happens to spew out of the head |
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of the developer as he composes the ebuild |
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-mike |
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