nanog mailing list archives
RE: interger to I P address
From: "Darden, Patrick S." <darden () armc org>
Date: Wed, 27 Aug 2008 13:31:50 -0400
Somebody's going to bring in Emacs now. Then somebody else will claim VI can do it faster and using less memory.... Argh. ;-) --p -----Original Message----- From: Joe Greco [mailto:jgreco () ns sol net] Sent: Wednesday, August 27, 2008 1:29 PM To: chartley () oar net Cc: nanog () nanog org Subject: Re: interger to I P address
bash# iptoint(){ oct1=`echo $1|awk -F\. '{print $1}'`; oct2=`echo $1|awk -F\. '{print $2}'`; oct3=`echo $1|awk -F\. '{print $3}'`; oct4=`echo $1|awk -F\. '{print $4}'`; echo $[($oct1<<24)+($oct2<<16 )+($oct3<<8)+$oct4 ];} bash# inttoip(){ echo $[$1>>24].$[($1>>16)&255].$[($1>>8)&255].$[$1&255]; } bash# inttoip 1089055123 64.233.169.147
BASH? Hahaha. Real Admins use sh. More portable(*).
Current thread:
- RE: interger to I P address, (continued)
- RE: interger to I P address Boyd, Benjamin R (Aug 27)
- Re: interger to I P address Mike Damm (Aug 27)
- Re: interger to I P address bfeeny (Aug 27)
- Re: interger to I P address Johnny Eriksson (Aug 27)
- Re: interger to I P address Valdis . Kletnieks (Aug 27)
- Re: interger to I P address Randy Bush (Aug 27)
- Re: interger to I P address Mark Newton (Aug 27)
- Re: interger to I P address Rob Austein (Aug 27)
- interger to I P address chartley (Aug 27)
- Re: interger to I P address Joe Greco (Aug 27)
- RE: interger to I P address Darden, Patrick S. (Aug 27)
- Re: interger to I P address Colin Alston (Aug 27)
- Re: interger to I P address Henry Yen (Aug 27)
- Re: interger to I P address Joe Greco (Aug 27)
- RE: interger to I P address Boyd, Benjamin R (Aug 27)