need to capture bash command output

Question

I am trying to measure MySQL QPS (Queries per Second) for trending analysis.

mysqladmin -P3104 -rvi1 ex 2>&1 | grep Questions

I can't get the above into a text file using the following:

mysqladmin -P3104 -rvi1 ex 2>&1 | grep Questions > out.txt

or mysqladmin -P3104 -rvi1 ex 2>&1 | grep Questions | tee out.txt

I think ex might be interfering with the stdout/stderr redirection. But I just need to capture the output into a file, I don't need to see screen output.

Stephane Rouberol · Accepted Answer · 2012-08-21 09:47:20Z

1

2>&1 instead of 2&>1:

mysqladmin -P3104 -rvi1 ex 2>&1 | grep Questions > out.txt

answered Aug 21, 2012 at 9:47

Stephane Rouberol

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