Re: why fail , [[ $sep$*$sep == $sep--$sep ]]

[alex xmb sw ratchev]

On Sat, Feb 17, 2024, 16:49 alex xmb sw ratchev <fxmbsw7@gmail.com> wrote:

>
>
> On Sat, Feb 17, 2024, 16:48 alex xmb sw ratchev <fxmbsw7@gmail.com> wrote:
>
>>
>>
>> On Sat, Feb 17, 2024, 16:44 alex xmb sw ratchev <fxmbsw7@gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Sat, Feb 17, 2024, 16:37 alex xmb sw ratchev <fxmbsw7@gmail.com>
>>> wrote:
>>>
>>>>
>>>>
>>>> On Sat, Feb 17, 2024, 16:14 Greg Wooledge <greg@wooledge.org> wrote:
>>>>
>>>>> On Sat, Feb 17, 2024 at 04:07:22PM +0100, alex xmb sw ratchev wrote:
>>>>> > set aa bb cc -- dd ; f=$'\1' IFS=$f ; [[ $f$*$f == "$f--$f" ]] &&
>>>>> echo ye
>>>>> >
>>>>> > it says no ye
>>>>>
>>>>> Why would you think $* and -- would be equivalent, when you've got 5
>>>>> positional parameters?
>>>>>
>>>>
>>>> i used the old logic , sep sep-item-list sep matching sep data sep
>>>>
>>>> the -- is for arg sep , cat1.. -- cat2 -- cat3 ( or cat1 cat2 cat3 )
>>>> it was for testing possible coding ways
>>>>
>>>
>>> small fix : bash script cat1.. -- cat2.. -- cat3..
>>> or
>>> bash script cat1 cat2 cat3 # without multi
>>>
>>> i mean for arg parsing
>>> i wanna support -- style multi category args , and in the args possible
>>> kinds
>>> 1 input dir ( dir cause programs purpose )
>>> 2 '<' or '<0' for nextarg is file list , one per \n one per \0
>>>
>>
>> umm scripts filename is
>> xmb.cpnewfilenames
>>
>> to have a all_files dir , a smaller_dir , and output_additions_dir , to
>> cp the missing files to
>> for file sync
>> .. with the addition of multi type args and multi dirs instead just one
>> .. :))
>>
>
> .. and in that script i wanna have a -- check
> thats this code i pasted
>

i mean it may be somewhat of useless
but .. i have much interest in solving the code here i asked ..


> ..
>>>
>>> unicorn:~$ set aa bb cc -- dd
>>>>> unicorn:~$ f=$'\1' IFS=$f
>>>>> unicorn:~$ printf %s "$*" | hd
>>>>> 00000000  61 61 01 62 62 01 63 63  01 2d 2d 01 64 64
>>>>> |aa.bb.cc.--.dd|
>>>>> 0000000e
>>>>> unicorn:~$ printf %s "$f$*$f" | hd
>>>>> 00000000  01 61 61 01 62 62 01 63  63 01 2d 2d 01 64 64 01
>>>>> |.aa.bb.cc.--.dd.|
>>>>> 00000010
>>>>> unicorn:~$ printf %s "$f--$f" | hd
>>>>> 00000000  01 2d 2d 01                                       |.--.|
>>>>> 00000004
>>>>>
>>>>
>>>> i think in ur example would been 012d2d01
>>>> if 2d is -
>>>>
>>>>>