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Top Forums Shell Programming and Scripting how to get rid of all chars after the last decimal points Post 302531285 by rluo on Thursday 16th of June 2011 09:40:15 AM
Old 06-16-2011
doesn't work....

Quote:
Originally Posted by shamrock
yet another way...
Code:
echo "192.168.2.1.8088" | awk -F. '{for(i=1;i<NF;i++) printf("%s%s",$i,i==NF-1?"\n":".")}'

Code:
# uname -a
SunOS 5.10 Generic_144488-06 sun4u sparc SUNW,Sun-Fire-V240
@:/opt/tools>
# echo "192.168.2.1.8088" | awk -F"." '{for(i=1;i<NF;i++) printf("%s%s",$i,i==NF-1?"\n":".")}'
awk: syntax error near line 1
awk: illegal statement near line 1


Last edited by Franklin52; 06-17-2011 at 04:51 AM.. Reason: Please use code tags
 

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VDE_TUNCTL(8)						      System Manager's Manual						     VDE_TUNCTL(8)

NAME
vde_tunctl -- create and manage persistent TUN/TAP interfaces SYNOPSIS
vde_tunctl [-f tun-clone-device] [-u owner] [-t device-name] vde_tunctl [-f tun-clone-device] -d device-name DESCRIPTION
vde_tunctl allows the host sysadmin to preconfigure a TUN/TAP device for use by a particular user. That user may open and use the device, but may not change any aspects of the host side of the interface. vde_tunctl is a simple copy of tunctl done for practical purposes. USAGE
To create an interface for use by a particular user, invoke tunctl without the -d option: # vde_tunctl -u someuser Set 'tap0' persistent and owned by uid 500 Then, configure the interface as normal: # ifconfig tap0 192.168.0.254 up # route add -host 192.168.0.253 dev tap0 # bash -c 'echo 1 > /proc/sys/net/ipv4/conf/tap0/proxy_arp' # arp -Ds 192.168.0.253 eth0 pub To delete the interface, use the -d option: # vde_tunctl -d tap0 Set 'tap0' nonpersistent SEE ALSO
vde_switch(1) vde_plug2tap(1) AUTHOR
tunctl was written by Jeff Dike jdike@karaya.com This manual page is based on tunctl manual page written by Matt Zimmerman mdz@debian.org for the Debian GNU/Linux system. VDE_TUNCTL(8)
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