Re: expr say "non integer argument"

[jidanni]

>>>>> "CFAJ" == Chris F A Johnson <address@hidden> writes:
CFAJ> On Thu, 18 Feb 2010, address@hidden wrote:

>> $ expr 3.1 + 3
>> expr: non-numeric argument <---say "non integer argument"
>> $ expr 3.1 + 3b
>> expr: non-numeric argument

CFAJ>    The expr command's arithmetic only works with integers.
Yes
CFAJ>    3.1 is not an integer, nor is 3b.
Yes
CFAJ>    To do calculations with decimal fractions, I recommend awk.
Yes.
3,1 is numeric!