[CentOS] Define an alias with an embeded awk command
m.roth at 5-cent.us
m.roth at 5-cent.us
Tue Dec 15 21:07:12 UTC 2009
> m.roth at 5-cent.us wrote:
>>
>> Simpler, and more obvious to read:
>>
>> /sbin/ifconfig eth0 | awk '{if ( $0 ~ /inet addr:/ ) {print
>> substr($2,6)}}'
>
> That's only obvious to the couple of people who speak awk... (Probably
> about the same number that use the C shell that started this problem).
>
> With more generic regexps it would be:
>
> ifconfig eth0 |sed -n -e 's/\(.*inet addr:\)\([0-9.]*\)\(.*\)/\2/p'
Right, and that's obvious to the meanest intelligence, while "if what I
read in has this, then print this part of that field" is sooo complicated.
Are you willing to agree to differ, and stop attacking me, when I give one
awk script to replace 3-4 commands?
mark
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