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Alan McKinnon schrieb: |
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> On Tue, 2006-07-25 at 16:18 +0200, Etaoin Shrdlu wrote: |
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>> > test and [ are not links to each other as they have different syntax |
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>> > (the closing ]), so they cannot be the same command. If they were |
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>> > linked, one of them would fail on execution with invalid syntax |
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>> errors |
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>> |
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>> This is not 100% true. As Neil Bothwick said, *the same program* can |
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>> behave differently based on the name it was invoked with, so [ could |
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>> very well have been implemented as a link to test (or viceversa), but |
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>> this is not the case, as you can see with a |
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>> ls -l /usr/bin/test /usr/bin/[ |
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> |
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> Um, no. |
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Uhm, *YES*. |
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> Read my post again. |
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You better do so. |
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> The command 'test' and the command '[' have |
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> *different* syntax |
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Yes. |
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> so cannot possible be links to each other |
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Why not? |
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> The command does behave differently depending on the name |
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> it is called with, but this does not change the syntax used on the |
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> command line that invokes it. |
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What are you talking about? |
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Of course the program could have a different syntax. |
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For example, compare the syntax that zipinfo and unzip have. |
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Alexander Skwar |
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-- |
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Delta: The kids will love our inflatable slides. -- David Letterman |
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-- |
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