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Top Forums Shell Programming and Scripting Section Removal With sed; and With a Twist . . . Post 302919784 by LinQ on Friday 3rd of October 2014 03:46:44 PM
Old 10-03-2014
Section Removal With sed; and With a Twist . . .

Hello folks!

Raised a bump on my head trying to figure this one out Smilie

I have an xml file which needs to be edited, removing an entire property section in the work. Here's what the target section layout looks like:
Code:
<property name="something">
{any number of lines go here}
</property>
</property>

Now, sed-deleting all from <property name="something"> to the first </property> tag is a fairly straightforward affair:
Code:
sed -i '/<property name="something">[[:space:]]*$/,/<\/property>[[:space:]]*$/d' /path_to/filename.xml

...but encompassing the SECOND </property> tag is not quite so straightforward; and I can't quite decipher where the tweak goes to make things turn...

A quick note, anyone?


Thanks again Smilie

Last edited by LinQ; 10-04-2014 at 12:19 PM.. Reason: Quote tags ====>>>> CODE tags
 

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IPTABLES-XML(1) 						  iptables 1.4.21						   IPTABLES-XML(1)

NAME
iptables-xml -- Convert iptables-save format to XML SYNOPSIS
iptables-xml [-c] [-v] DESCRIPTION
iptables-xml is used to convert the output of iptables-save into an easily manipulatable XML format to STDOUT. Use I/O-redirection pro- vided by your shell to write to a file. -c, --combine combine consecutive rules with the same matches but different targets. iptables does not currently support more than one target per match, so this simulates that by collecting the targets from consecutive iptables rules into one action tag, but only when the rule matches are identical. Terminating actions like RETURN, DROP, ACCEPT and QUEUE are not combined with subsequent targets. -v, --verbose Output xml comments containing the iptables line from which the XML is derived iptables-xml does a mechanistic conversion to a very expressive xml format; the only semantic considerations are for -g and -j targets in order to discriminate between <call> <goto> and <nane-of-target> as it helps xml processing scripts if they can tell the difference between a target like SNAT and another chain. Some sample output is: <iptables-rules> <table name="mangle"> <chain name="PREROUTING" policy="ACCEPT" packet-count="63436" byte-count="7137573"> <rule> <conditions> <match> <p>tcp</p> </match> <tcp> <sport>8443</sport> </tcp> </conditions> <actions> <call> <check_ip/> </call> <ACCEPT/> </actions> </rule> </chain> </table> </iptables-rules> Conversion from XML to iptables-save format may be done using the iptables.xslt script and xsltproc, or a custom program using libxsltproc or similar; in this fashion: xsltproc iptables.xslt my-iptables.xml | iptables-restore BUGS
None known as of iptables-1.3.7 release AUTHOR
Sam Liddicott <azez@ufomechanic.net> SEE ALSO
iptables-save(8), iptables-restore(8), iptables(8) iptables 1.4.21 IPTABLES-XML(1)
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