Hi Steven,
I want to use a word that the data from this function.
for example;
f := func() { grep(flag.Arg(0), flag.Arg(1)) }
if f == "domain.com" {
}
or
handle := exec.Command("echo", string(f[1])).Output()
Examples of these subject. My purpose is to convert the string.
Regards.
On Wednesday, June 15, 2016 at 7:28:53 PM UTC+3, Steven Blenkinsop wrote:
>
> Oh, sorry, didn't see that. `grep` doesn't return a value, so there's
> nothing to assign to a variable. What are you trying to do exactly? If you
> want a function value you can call repeatedly which will pass the same
> arguments to `grep`, you want:
>
> f := func() { grep(flag.Arg(1), flag.Arg(2)) }
>
> This is called a closure. It basically creates a function value you can
> call, and it will execute the body each time, in this case the call to
> grep. It will also capture any variables referenced inside it, but that
> doesn't happen here.
>
> On Wed, Jun 15, 2016 at 12:17 PM ToSuNuS <osman...@gmail.com <javascript:>>
> wrote:
>
>> Hi Steven,
>>
>> I mistyped the opening question.
>>
>> However, the script has been added correctly.
>>
>> Of course, the result is still the same.
>>
>> I run the command.
>>
>> go run test.go testword /root/testfile.txt
>>
>> Result:
>>
>> grep(flag.Arg(0), flag.Arg(1)) used as value
>>
>> I just add the following code. (to test)
>>
>> f := grep(flag.Arg(0), flag.Arg(1))
>> fmt.Println(f)
>>
>>
>> Regards.
>>
>>
>> On Wednesday, June 15, 2016 at 6:54:18 PM UTC+3, ToSuNuS wrote:
>>>
>>> Hi guys,
>>>
>>> How do I assign a variable function of sample scripts are used on the
>>> following address?
>>>
>>>
>>> https://github.com/StefanSchroeder/Golang-Regex-Tutorial/blob/master/01-chapter3.markdown
>>>
>>> How can I define this as a variables of function .
>>>
>>> grep (flag.arg (0) flag.arg (1))
>>>
>>> I tried as follows. However, the results did not.
>>>
>>> f := grep (flag.arg (0) flag.arg (1))
>>>
>>> Regards.
>>>
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