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by jfhufl 2084 days ago
This works too:

    % cat /tmp/sh
    var=variables
    x=$(
    cat <<EOT
    This string has 'single' and "double" quotes and can interpolate '$var'
    EOT
    )
    echo $x

    % bash /tmp/sh
    This string has 'single' and "double" quotes and can interpolate 'variables'