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Re: Inconsistent quote and escape handling in substitution part of param


From: John Kearney
Subject: Re: Inconsistent quote and escape handling in substitution part of parameter expansions.
Date: Tue, 28 Feb 2012 18:52:13 +0100
User-agent: Mozilla/5.0 (X11; Linux i686; rv:10.0) Gecko/20120129 Thunderbird/10.0

On 02/28/2012 06:43 PM, Dan Douglas wrote:
> On Tuesday, February 28, 2012 06:38:22 PM John Kearney wrote:
>> On 02/28/2012 06:31 PM, Dan Douglas wrote:
>>> On Tuesday, February 28, 2012 05:53:32 PM Roman Rakus wrote:
>>>> On 02/28/2012 05:49 PM, Greg Wooledge wrote:
>>>>> On Tue, Feb 28, 2012 at 05:36:47PM +0100, Roman Rakus
>>>>> wrote:
>>>>>> And that means, there isn't way to substitute "something"
>>>>>> to ' (single quote) when you want to not perform word
>>>>>> splitting. I would consider it as a bug.
>>>>> 
>>>>> imadev:~$ q=\' imadev:~$ input="foosomethingbar" imadev:~$
>>>>> echo "${input//something/$q}" foo'bar
>>>> 
>>>> I meant without temporary variable.
>>>> 
>>>> RR
>>> 
>>> address@hidden ~ $ ( x=abc; echo ${x/b/$'\''} ) a'c
>> 
>> ( x=abc; echo "${x/b/$'\''}" ) -bash: bad substitution: no
>> closing `}' in "${x/b/'}"
>> 
>> 
>> you forgot the double quotes ;)
>> 
>> 
>> I really did spend like an hour or 2 one day trying to figure it
>> out and gave up.
> 
> Hm good catch. Thought there might be a new quoting context over
> there.
I think we can all agree its inconsistent, just not so sure we care??????
i.e. we know workarounds that aren't so bad variables etc.







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