Re: [PATCH] shell portability: Use sed instead of non-portable variable expansion

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Johannes Sixt <j.sixt@xxxxxxxxxxxxx> writes:

>>  run_backend() {
>>  	echo "$2" |
>> -	QUERY_STRING="${1#*\?}" \
>> -	PATH_TRANSLATED="$HTTPD_DOCUMENT_ROOT_PATH/${1%%\?*}" \
>
> What happens if you write these as
>
> 	QUERY_STRING=${1#*\?} \
> 	PATH_TRANSLATED=$HTTPD_DOCUMENT_ROOT_PATH/${1%%\?*} \
>
> i.e., drop the double-quotes?

Interesting. Your conjecture is that the shell may be dropping the
backslash inside dq context when it does not understand what follows the
backslash, i.e. "\?"  -> "?", losing the quote. I find it very plausible.

If that is the case, either the above or my [?] would work it around, I
would think.

Thanks.

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