ls output

Ralf Friedl Ralf.Friedl at
Fri May 13 12:45:23 UTC 2011

David Henderson wrote:
> On 05/12/2011 05:11 PM, Ralf Friedl wrote:
>> David Henderson wrote:
>>> I'm not sure how much it would increase the size of BB, but I 
>>> wouldn't think much since the 'ls' command already processes regex's.
>> Well, where exactly does 'ls' already processes regex's?
>> Ralf
> Taken directly from the 'ls --help':
> -E      PATTERN is an extended regexp
I don't find an option -E in busybox ls or in coreutils ls. But grep has 
exactly that option:
$ ls --help 2>&1 | grep -- -E
$ grep --help 2>&1 | grep -- -E
        -E      PATTERN is an extended regexp


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