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Re: comparison inside [[]] is not numeric comparison?


From: Dennis Williamson
Subject: Re: comparison inside [[]] is not numeric comparison?
Date: Thu, 9 Dec 2010 10:50:03 -0600

On Thu, Dec 9, 2010 at 10:48 AM, Dennis Williamson
<address@hidden> wrote:
> On Fri, Nov 19, 2010 at 6:45 PM, john.ruckstuhl
> <address@hidden> wrote:
>> In bash, a comparison inside "[["/"]]" is lexicographic not numeric?
>> This isn't what I expected.
>> Which part of the documentation would set me straight?  If someone
>> could quote the fine manual, that would be great.
>>
>> $ if [[ 2000 > 200 ]]; then echo pass; else echo wierd; fi
>> pass
>>
>> $ if [[ 1000 > 200 ]]; then echo pass; else echo wierd; fi
>> wierd
>>
>> $ set | grep BASH_VERSION
>> BASH_VERSION='3.2.51(24)-release'
>>
>> Thanks,
>> John R.
>>
>
> In man bash, in the CONDITIONAL EXPRESSIONS section:
>
> string1 < string2
>              True  if  string1  sorts before string2 lexicographically in the
>              current locale.
>

I meant to include:

Use (( ... ))

$ if (( 1000 > 200 )); then echo pass; else echo wierd; fi
pass



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