Preklopeni binarniho souboru do TXT

[Jindroush]

Proc, co je v nem blbe? Proste vezme vstup a vypise ho jako dec cisla 
oddelena carkou, tak jsem pochopil zadani, na linuxu by nemelo vadit 
nejaky hrani s binary a tak...

On 27.1.2017 0:23, Tom Meinlschmidt wrote:
> chyba.
>
> ma byt hexdump -v -e '/1 "%03d" " “‘ … a "od -An -tuC"
>
> jinak to bylo v osmickove..
>
> btw - ten perl taky nefunguje spravne...
>
> tm
>
>> On Jan 27, 2017, at 0:02 , Tom Meinlschmidt <hw at meinlschmidt.org> wrote:
>>
>> test - 64kB soubor (data z /dev/random)
>>
>> cat file.txt | hexdump -v -e '/1 "%03o" "\n"' | tac | xargs -n8 | tr ' ' ','
>>
>> real	0m26.837s
>> user	0m7.769s
>> sys	0m11.485s
>>
>> bez zarovnavani na 8 sloupcu
>>
>> cat file.txt | hexdump -v -e '/1 "%03o" " "' | tac -s’ ‘ | tr ‘ ‘ ‘,'
>>
>> real	0m0.333s
>> user	0m0.048s
>> sys	0m0.022s
>>
>> nebo
>>
>> cat file.txt | od -An -b | cut -c 2- | tr ' ' '\n' | tac | xargs -n8 | tr ' ' ','
>>
>> real	0m28.978s
>> user	0m8.125s
>> sys	0m12.093s
>>
>> nebo
>>
>> cat file.txt | od -An -b | cut -c 2- | tr '\n' ' ' | tac -s ' ' | tr ' ' ‘,'
>>
>> real	0m0.404s
>> user	0m0.051s
>> sys	0m0.028s
>>
>> tm
>>
>>> On Jan 26, 2017, at 22:05 , Admin HWnews <hwnews at cncnet.info> wrote:
>>>
>>> Hmm prisel jsem na dalsi spek....
>>>
>>> Ja bych ten soubor potreboval jeste prevratit...tedy aby posledni bajt byl prvni. Nejakej napad?
>>>
>>> Prece to nebudu prohanet pres tabulku v DB...
>>>
>>> RV
>>>
>>>
>>> Dne 24.1.2017 v 17:51 Tom Meinlschmidt napsal(a):
>>>> odvolavam, co jsem neslibil. mate pravdu - potrebuje to -v
>>>> tm
>>>>
>>>>> On Jan 24, 2017, at 17:37 , Tom Meinlschmidt <hw at meinlschmidt.org> wrote:
>>>>>
>>>>>
>>>>> ? bash?
>>>>>
>>>>> $ printf 'e\0\0\0cho a\0\0b\n' | hexdump -v -e '/1 "%03o" "\n"' | xargs -n8 | tr ' ' ','
>>>>> 145,000,000,000,143,150,157,040
>>>>> 141,000,000,142,012
>>>>>
>>>>> tm
>>>>>
>>>>> On 2017-01-24 17:24, Petr Simek wrote:
>>>>>> On Tue, 24 Jan 2017, Tom Meinlschmidt wrote:
>>>>>>> co treba
>>>>>>> hexdump -e '/1 "%03o" "\n"' /bin/bash | xargs -n8 | tr ' ' ','
>>>>>> Kdyz jsou v souboru dve nuly za sebou tak to prvni vypise jako 060 a
>>>>>> tu druhou jako * .
>>>>>>> tm
>>>>>> *------------------------------------------------------------------------*
>>>>>> |                          Petr Simek   APS JU                           |
>>>>>> |                             psimek at jcu.cz                              |
>>>>>> *------------------------------------------------------------------------*
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>>
>> --
>> ===============================================================================
>> Tomas Meinlschmidt, MS {MCT, MCP+I, MCSE, AER}, NetApp Filer/NetCache
>>
>> www.meinlschmidt.com  www.maxwellrender.cz
>> ===============================================================================
>>
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>


-- 
Jindroush <jindroush at seznam.cz>