Set environment variable on remote target

[Jie Zhang]

Andreas Schwab wrote:
> Jie Zhang <jie.zhang@analog.com> writes:
> 
>> So we have to use single quotes. The updated patch is attached.
> 
> This will break if the value can contain single quotes.
> 
How about using double quotes but escaping ", \, $, and ` using 
backslash? The patch is attached.


Jie
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