2012/7/19 Mariano Cediel <mariano.ced...@gmail.com>:
> El día 18 de julio de 2012 23:00, Pablo Jiménez <pejim...@vtr.net> escribió:
>> sed -n '/::extNames/s/^..*::extNames\.([^ ][^ ]*) /\1/'
>>
>
> echo "UCD-SNMP-MIB::extNames.5 = STRING: chkraid" | sed -n
> '/::extNames/s/^..*::extNames\.([^ ][^ ]*) /\1/'
>        sed: -e expresion #1, caracter 46: invalid reference \1 on `s'
> command's RHS
>
A mi me funciona con  echo "UCD-SNMP-MIB::extNames.5 = STRING:
chkraid" | sed 's/.*Names\.\([[:digit:]]\+\).*/\1/'


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