diff --git a/README.md b/README.md
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+# xmllint demo
+
+> A simple bash script to explore xmllint usage
+
+[xmllint Documentation](http://www.xmlsoft.org/xmllint.html)
+
+### Installation
+Ubuntu, run apt-get install libxml2-utils (if not installed already)
+Mac OS X (Yosemite), installed by default
+
+### xmllint usage demos in this project
+1. --xpath
+
+### Running the demo
+
+Project includes below sample xml files
+[books.xml](data/books.xml)
+[food.xml](data/food.xml)
+
+### Make app.sh executable and run the script
+ ./app.sh data/food.xml
+ ./app.sh data/books.xml
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diff --git a/app.sh b/app.sh
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+#!/bin/bash
+
+function main() {
+ # check if file is food.xml
+ if [ $1 == 'data/food.xml' ]; then
+ processBreakfastMenu $1
+ # check if file is books.xml
+ elif [ $1 == 'data/books.xml' ]; then
+ processBookstore $1
+ fi
+}
+
+function processBreakfastMenu() {
+ echo $'usage of --path /breakfast_menu/food[1]\n'
+ xmllint --xpath '/breakfast_menu/food[1]' $1
+}
+
+function processBookstore() {
+ echo $'usage of --path /bookstore/book[@category="cooking"]/author/text()\n'
+ xmllint --xpath '/bookstore/book[@category="cooking"]/author/text()' $1
+}
+
+echo 'File being read -' $1
+echo $'Output...\n'
+
+main $1
+
+echo $'\n\n.........'
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diff --git a/data/books.xml b/data/books.xml
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+
+
+
+ Everyday Italian
+ Giada De Laurentiis
+ 2005
+ 30.00
+
+
+ Harry Potter
+ J K. Rowling
+ 2005
+ 29.99
+
+
+ XQuery Kick Start
+ James McGovern
+ Per Bothner
+ Kurt Cagle
+ James Linn
+ Vaidyanathan Nagarajan
+ 2003
+ 49.99
+
+
+ Learning XML
+ Erik T. Ray
+ 2003
+ 39.95
+
+
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diff --git a/data/food.xml b/data/food.xml
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+++ b/data/food.xml
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+
+
+
+ Belgian Waffles
+ $5.95
+ Two of our famous Belgian Waffles with plenty of real maple syrup
+ 650
+
+
+ Strawberry Belgian Waffles
+ $7.95
+ Light Belgian waffles covered with strawberries and whipped cream
+ 900
+
+
+ Berry-Berry Belgian Waffles
+ $8.95
+ Light Belgian waffles covered with an assortment of fresh berries and whipped cream
+ 900
+
+
+ French Toast
+ $4.50
+ Thick slices made from our homemade sourdough bread
+ 600
+
+
+ Homestyle Breakfast
+ $6.95
+ Two eggs, bacon or sausage, toast, and our ever-popular hash browns
+ 950
+
+
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