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this command is to redirect output of time to with multiple args:

$ time wc test >wc.out 2>time.out

unix programming environment book shows that the error output of time redirects to time.out, but it seems that it's treating the 2>time.out portion as part of the wc command and not redirecting the error output to time.out as I expected, so what is the problem?

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The usual solution to this problem is to put your time command in a group:

$ { time wc test >wc.out; } 2>time.out
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