Echo trimite și \n:
-rw-rwxr-- 1 dumitru. UsersGrp 3 Mar 16 11:23 output-python
-rw-rwxr-- 1 dumitru. UsersGrp 6 Mar 16 11:24 output-sh
A se observa mărimea diferită a ieșirii :)
Dumitru
On 3/16/2016 11:19 AM, Paul Lacatus (Personal) wrote:
>
> On 3/16/2016 11:16 AM, Paul Lacatus (Personal) wrote:
>>
>> On 3/16/2016 11:12 AM, Claudiu Nicolaie CISMARU wrote:
>>>> *Intrebare *
>>>> *
>>>> Scrierea in fiser nu se face la fel din bash si din python ? De ce
>>>> nu se
>>>> genereaza pulsul respectiv ca in bash *?
>>> Sau datele iti raman in cache, nu sunt flushuite in fisier. Incearc
>>> as adaugi
>>> un f.flush()...
>>>
>> tot degeaba
>>
>>>>> f= open ('/sys/bus/w1/devices/3a-0000002404ba/output','a')
>>>>> f.write ("1")
>>>>> f.flush()
>> Traceback (most recent call last):
>> File "<stdin>", line 1, in <module>
>> IOError: [Errno 14] Bad address
>>>>> f.close()
> la bash imediat ce dau
>
> root@beaglebone:~# echo 1 >> /sys/bus/w1/devices/3a-0000002404ba/output
> -sh: echo: write error: Bad address
>
> actioneaza iesirea si se opreste calculatorul
>
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