.
$ grep -v -f file1 file2
(FYI, on AIX it could only be less than 1 second)
Maybe there is also a room for optimization not only on the memory usage
but also on the time cost.
--
Junkui Quan (JQK)
www.redhat.com
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On 03/11/2016 01:26 AM, Jim Meyering wrote:
> On Thu, Mar 10, 2016 at 3:00 AM, JQK wrote:
>> If in the following situation,
>>
>> ===
>> file1 has numbers from 1 to 20, 20 lines
>> file2 has several lines(about 200 ~300lines) of random nu
On 03/12/2016 04:17 AM, Jim Meyering wrote:
> [resending to keep the list on Cc]
> On Thu, Mar 10, 2016 at 10:05 PM, JQK wrote:
>> On 03/11/2016 01:26 AM, Jim Meyering wrote:
>>> On Thu, Mar 10, 2016 at 3:00 AM, JQK wrote:
>>>> If in the following situation,
>
