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On 09/06/2012 05:27 PM, Brian Harring wrote:
> On Thu, Sep 06, 2012 at 10:44:34PM +0200, hasufell wrote:
>> - dep_str="dev-lang/python:${dep_str: -3}" ;; +
>> dep_str="dev-lang/python:${dep_str: -3}${_PYTHON_USE}" ;;
> should I ask wth the space is for?
>
Without the space, ${dep_str:-3} means "${dep_str} unless empty or
unset, otherwise 3"; with the space, ${dep_str: -3} (can also be
written ${dep_str:(-3)}) means "the last 3 characters of ${dep_str}".
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