Re: Inconsistent quote and escape handling in substitution part of parameter expansions.

[Steven W. Orr]

On 2/28/2012 11:54 AM, John Kearney wrote:
> On 02/28/2012 05:22 PM, Roman Rakus wrote:
> > On 02/28/2012 05:10 PM, John Kearney wrote:
> > > wrap it with single quotes and globally replace all single quotes
> > > in the string with '\''
> > single quote and slash have special meaning so they have to be
> > escaped, that's it. \'${var//\'/\\\'}\' it is not quoted, so it
> > undergoes word splitting. To avoid it quote it in double quotes,
> > however it changes how slash and single quote is treated.
> > "'${var//\'/\'}'"
> >
> > Wasn't it already discussed on the list?
> >
> > RR
> It was discussed but not answered in a way that helped.
>
>
> Look consider this
> test=teststring
>
>
> echo "${test//str/"dddd"}"

This makes no sense.

"${test//str/" is a string.
dddd is anudder string
"}" is a 3rd string

echo "${test//str/\"dddd\"}"

is perfectly legal.


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