[pso] [Tema 1] Intrebari

Drutu Bogdan bogdandrutu at gmail.com
Tue Mar 16 21:02:30 EET 2010


spook 1 # dmesg | tail -1
[ 1224.652270] [1b43]36(4322346c,57c6ec,710b9ad6,4eba7454,28706f66,405fb446)=fffffff7


2010/3/16 Cosmin Ratiu <cosminratiu at gmail.com>:
> 2010/3/16 Drutu Bogdan <bogdandrutu at gmail.com>
>>
>> De ce la linia asta: (test.c:77):
>>
>>        sprintf(dummy, "dmesg | grep
>> '^\\[%lx\\]%lx(%lx,%lx,%lx,%lx,%lx,%lx)=%lx' &> /dev/null",
>> (long)getpid(), sno, args[0],
>>                args[1], args[2], args[3], args[4], args[5], ret);
>>
>> Avem ^ in formarea mesajului de grep? Din cauza asta mie imi pica
>> testul... Este normal sa fie acolo? Daca da de ce?
>
> '^' matchuieste inceputul liniei. Ai cumva caractere in plus la inceputul
> liniei?
>
> Cosmin.
>
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-- 
Bogdan.


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