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      <page pageid="9" ns="0" title="Retrieving Flickr photo views using shell scripting">
        <revisions>
          <rev contentformat="text/x-wiki" contentmodel="wikitext" xml:space="preserve">&lt;pre&gt;
#!/bin/bash
#The purpose of this script is to retrieve the amount of views for your Flickr photos.

#Your Flickr API key
KEY=&quot;&quot;

#Your Flickr user ID
user=&quot;&quot;

#Format for today's date
today=$(date +&quot;%m-%d-%Y&quot;)
totalviews=&quot;0&quot;

#Format for date in filename
filedate=$(date +&quot;%y%m%d_flickr_stats.txt&quot;)
filedateyesterday=$(date --date=&quot;1 day ago&quot; +&quot;%y%m%d_flickr_stats.txt&quot;)

#If you run as an automated cron job this helps to store files
path=&quot;/home/username&quot;

#Get all the IDs of the Flickr photos for certain user using the Flickr API
#Only grep the ID numbers
ids=$(curl -s &quot;https://api.flickr.com/services/rest/?method=flickr.people.getPhotos&amp;api_key=&quot;$KEY&quot;&amp;user_id=&quot;$user&quot;&amp;per_page=500&amp;format=rest&quot; | grep -o -P '(?&lt;=photo id=&quot;).*(?=&quot; owner=)')

#Read the output from variable ids in idsarray, remove all the whitespaces in the ids variable
read -r -a idsarray &lt;&lt;&lt; $ids

#Iterate through the array and for every entry do the following
for id in &quot;${idsarray[@]}&quot;
do
	#Request the information of the photo using the photo's ID
	info=$(curl -s &quot;https://api.flickr.com/services/rest/?method=flickr.photos.getInfo&amp;api_key=&quot;$KEY&quot;&amp;photo_id=&quot;$id&quot;&amp;format=rest&quot;)

	#From the ouput of the API request only take the values for title and views
	title=$(echo $info | grep -o -P '(?&lt;=&lt;title&gt;).*(?=&lt;/title&gt;)')
	views=$(echo $info | grep -o -P '(?&lt;=views=&quot;).*(?=&quot; media)')

	echo &quot;Photo $title has $views views&quot;

	#Get the views for this photo ID from yesterday
	photoviewsyesterday=$(cat $path$filedateyesterday | grep &quot;$id&quot; | cut -d '|' -f 4)

	#Calculate the difference between todays and yesterdays views for this photo ID
	photoviewsdifference=`expr $views - $photoviewsyesterday`

	#Write the output to the file
	echo &quot;$today|$id|$title|$views|$photoviewsdifference&quot;&gt;&gt; $path$filedate

	#Add the current views to the total views
	totalviews=`expr $totalviews + $views`
done

#Get the total views from yesterday
totalviewsyesterday=$(cat &quot;$path&quot;flickr_total_views.txt | grep &quot;$(date --date=&quot;1 day ago&quot; +&quot;%m-%d-%Y&quot;)&quot; | cut -d '|' -f 2)

#Calculate the difference betweeen todays and yesterdays total views
difference=`expr $totalviews - $totalviewsyesterday`

#Write the output to the file
echo &quot;$today|$totalviews|$difference&quot; &gt;&gt; &quot;$path&quot;flickr_total_views.txt
&lt;/pre&gt;</rev>
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      <page pageid="6" ns="0" title="Scripting">
        <revisions>
          <rev contentformat="text/x-wiki" contentmodel="wikitext" xml:space="preserve">[[Dynamically splitting output into files while processing]]&lt;br /&gt;
[[Retrieving Flickr photo views using shell scripting]]&lt;br /&gt;
[[Plotting schools Port Elizabeth using shell scripting]]&lt;br /&gt;</rev>
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