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Full Discussion: Need help with Korn Shell script for substring printing
Top Forums Shell Programming and Scripting Need help with Korn Shell script for substring printing Post 302564319 by Corona688 on Thursday 13th of October 2011 10:26:03 AM
Old 10-13-2011
That's a useless use of cat, useless use of backticks, and useless use of awk. Your code will surprise you one day unless you fix this habit.

Code:
while IFS=":" read IP NAME
do
        vsping $IP > /dev/null 2> /dev/null && echo "$IP"
done < mylist.txt > pingable.txt

This User Gave Thanks to Corona688 For This Post:
kraljic
 

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LEARN ABOUT NETBSD

url

URL(4)							   BSD Kernel Interfaces Manual 						    URL(4)

NAME

     url -- Realtek RTL8150L USB Ethernet driver

SYNOPSIS

     url*    at uhub?
     urlphy* at mii?

DESCRIPTION

     The url driver provides support for USB Ethernet adapters based on the Realtek RTL8150L USB-ether bridge chip.

     The url driver supports the following adapters:

	   CompUSA USBKR100
	   GreenHouse GH-USB100B
	   Melco Inc. LUA-KTX
	   Sitecom LN013

     For more information on configuring this device, see ifconfig(8).

DIAGNOSTICS

     url%d: watchdog timeout  A packet was queued for transmission and a transmit command was issued, however the device failed to acknowledge the
     transmission before a timeout expired.

     url%d: no memory for rx list  The driver failed to allocate an mbuf for the receiver ring.

SEE ALSO

     arp(4), mii(4), netintro(4), usb(4), ifconfig(8)

HISTORY

     The url device driver first appeared in NetBSD 1.6.

AUTHORS

     The url driver was written by Shingo WATANABE <nabe@nabechan.org>.

BSD
								September 18, 2006							       BSD
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