[CentOS] Define an alias with an embeded awk command error ?
Alexander Dalloz
ad+lists at uni-x.orgSat Mar 6 12:34:14 UTC 2010
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Am 06.03.2010 09:47, schrieb sync: > Hi, guys: > > I'm trying to define an alias in .cshrc with the embeded awk command, > like this : > > alias checketh0 "ip add ls eth0 |awk '/inet/{print $2}' |sed -n '1p' " > > Then i run "source ~/.cshrc" and run "checketh0" command in the terminal , > but the result is the following : > > " inet 192.168.18.18/24 brd 192.168.18.255 scope global eth0" > > but i want this result : > 192.168.18.18/24 > > > How do I do it ? Any help will be highly appreciated. > > > Thanks for you help ~ Within your awk statement the "$2" is eaten and thus awk prints the whole line. You can bypass this using following in your .cshrc set eth0=`/sbin/ip addr ls eth0 | awk '/inet/ { print $2; exit }'` alias checketh0 "echo $eth0" Alexander
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