Bash how do you capture stderr to a variable? [duplicate]

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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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