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

[alex xmb sw ratchev]

oh i know why it failed
set interprets the first -- away

kthx bless

On Sat, Feb 17, 2024, 16:59 alex xmb sw ratchev <fxmbsw7@gmail.com> wrote:

>
>
> 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 -
>>>>>
>>>>>>