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Shell Programming and Scripting

Looping through entries

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# 1  
Old 07-03-2008
Looping through entries
Hi everyone,

I am having trouble looping through entries in a file. The file several entries that are separated by topics e.g.
<Topic r:id="Top/World/Français">
</Topic>
<Topic r:id="Top/World/Français/Actualité">
</Topic>
<Topic r:id="Top/World/Français/Actualité/A_la_Une">
<link r:resource="http://www.pluralworld.com/"/>
<link r:resource="http://www.webdopresse.ch/"/>
<link r:resource="http://www.largeur.com/"/>
</Topic>
<Topic r:id="Top/World/Français/Actualité/Info-trafic">
<link r:resource="http://www.quelleroute.com/"/>
<link r:resource="http://www.transvalley.com/"/>
</Topic>
I want to be able to print out, for each entry, the name of the topic and then any links that appear within. In this case, I would like to print out:

Topic "Top/World/Français"
Topic "Top/World/Français/Actualité"
Topic "Top/World/Français/Actualité/A_la_Une"
"http://www.pluralworld.com/"
"http://www.webdopresse.ch/"
"http://www.largeur.com/"
Topic "Top/World/Français/Actualité/Info-trafic"
"http://www.quelleroute.com/"
"http://www.transvalley.com/"

I can't seem to separate the topics and then get in at their details. This is my attempt to far:

#!/bin/sh
inputFile=$1

PARAGRAPHS=`sed -n '/<Topic r:id=\"Top\/World\/Français/,/<\/Topic>/p' $inputFile`

n=0

for p in $PARAGRAPHS
do
URLS=`sed -n '/<link r:resource=/,/>/p' $p`

for url in $URLS
do
echo "$url"
done
done

Can anyone help me please, I'm new to this?
# 2  
Old 07-03-2008
Try awk
Code:
awk -F'"' '/Topic r/{printf "%s\t%s\n","Topic",$2}/link/{printf "\t%s\n",$2}' file

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