[转载] how to get the return value of a command by shell? - Unix版 - 未名存档

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Unix版 - [转载] how to get the return value of a command by shell?

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o**a
发帖数: 86

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【以下文字转载自 Linux 讨论区】
【原文由 ouba 所发表】
i only know it's 0 or not.
but how to distinguish the other non-zero values?

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