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Full Discussion: need sed command to read a path and set to variable
Top Forums Shell Programming and Scripting need sed command to read a path and set to variable Post 302265099 by Ikon on Friday 5th of December 2008 03:32:25 PM
Old 12-05-2008
's/ --- Substitute directive
.*/ --- contains everything upto last / ("/Users/rtipton/Desktop/testusers/")
(.*) --- contains everything after last / (test)
/\1/ --- what to substitute (like $1 variable, what is inside the ( ) is stored in \1 )

there are extra \ because you have to escape metacharacters

I didnt know much about sed and awk before I found this site. The way I am learning, is people ask how to do something, I read others solutions and try to replicate it.

I have created my own wiki to keep all my notes in.

here is one site I found helpful:

http://student.northpark.edu/pemente/sed/sed1line.txt
 

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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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