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On 07/05/2010 07:18 PM, William Boshuck wrote:
> On Mon, Jul 05, 2010 at 12:42:51PM +0200, Bret S. Lambert wrote:
>> On Mon, Jul 05, 2010 at 06:35:01PM +0800, Aaron Lewis wrote:
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>>>
>>> Hi,
>>> echo %A3 | sed 's/(%[0-9A-Z]{2})//g'
>>>
>>> I'd like %A3 like string to be removed , what's wrong with my script ?
>>>
>>
>> According to the sed manpage, it doesn't use {} in this way; you seem
>> to be using the wrong syntax (although sed veterans can likely give a
>> more thorough answer).
>>
>> try sed 's/%[0-9A-Z][0-9A-Z]//g' (minus any typos/thinkos on my part)
>
> sed(1) uses basic regular expressions (see re_format(7) for
> details). In particular, you should prepend with a backslash
> the parentheses and braces in the original example, although
> the parentheses are superfluous for the stated purpose. If
> you want to use bounds, then
>
> echo %A3 | sed 's/%[0-9A-Z]\{2\}//g'
>
> will do.
Yep , should escape it , that's the problem
- --
Best Regards,
Aaron Lewis - PGP: 0x4A6D32A0
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