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However, after the loop ends, path will have been modified to look like this: "/usr/bin\0/bin\0/usr/sbin\0/sbin\0". This is an issue on several levels. If we check our The local path variable , we will only see becomes /usr/bin now. Even worse, we have unintentionally changed the environment variable PATH has been unintentionally changed, which could cause unintended results.
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