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Asked: 2026-06-06T04:00:23+00:00

Bash how do you capture stderr to a variable? I would like to do

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Bash how do you capture stderr to a variable?

I would like to do something like this inside of my bash script

sh -c path/myExcecutable-bin 2>&1 =MYVARIABLE

How do you send stderror output to a variable ?

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1 Answer

  1. Editorial Team

    To save both stdout and stderr to a variable:

    MYVARIABLE="$(path/myExcecutable-bin 2>&1)"

    Note that this interleaves stdout and stderr into the same variable.

    To save just stderr to a variable:

    MYVARIABLE="$(path/myExcecutable-bin 2>&1 > /dev/null)"
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