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Re: [Help-bash] Getting rid of white space with % and %%
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From: |
clark wang |
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Subject: |
Re: [Help-bash] Getting rid of white space with % and %% |
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Date: |
Tue, 22 May 2012 09:51:34 +0800 |
On Tue, May 22, 2012 at 5:25 AM, Eric Blake <address@hidden> wrote:
> On 05/21/2012 03:17 PM, Bill Gradwohl wrote:
>>
>> Is there any syntactically correct way to provide an * or + multiplier on
>> to this to get rid of all the white space at the end of a line?
>
> $ echo "'${string%${string##*[^[:space:]]}}'"
This is really cool. :)
>
> --
> Eric Blake address@hidden +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>