├── README.md
└── podcast-download.sh


/README.md:
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 1 | # Bash Podcast Download
 2 | A simple bash script to download all media from a podcast feed
 3 | 
 4 | ##Usage
 5 | Call the script using
 6 | 
 7 | 	sh podcast-download.sh http://myfeed.com/rss /PATH/TO/DOWNLOAD/FOLDER
 8 | 	
 9 | ###Optional
10 | 
11 | You can hardcode the feed and output path by changing the variables at the top of the file. You can then ommit the feed and folder when envoking the script
12 | 
13 | 	# Optional Variables
14 | 	# You can hardcode the feed and url variables here to avoid sending them when envoking the script
15 | 	
16 | 	FEED='http://myfeed.com/rss'
17 | 	FOLDER='/PATH/TO/MY/FOLDER'
18 | 
19 | 
20 | If the media file already exsists then the file is not downloaded. 
21 | 
22 | Assumes that the RSS feed is formatted correctly with media in the correct hirachy
23 | 
24 | ####Feed requirments
25 | 
26 | 	<?xml version="1.0" encoding="UTF-8"?>
27 | 	<rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:media="http://search.yahoo.com/mrss/">
28 |   	<channel>
29 |   		...nodes...
30 | 		<item>
31 | 			...nodes...
32 | 			<enclosure url="http://theFileToDownload.extension"/>
33 | 		</item>
34 | 		<item>
35 | 			...nodes...
36 | 			<enclosure url="http://theFileToDownload.extension"/>
37 | 		</item>
38 | 	</channel>
39 | 	</rss>
40 | 	
41 | 
42 | ####Platform Requirments
43 | This script was written on an OSX machine so assumes that you have the following programs installed
44 | 
45 | - curl
46 | - xpath
47 | - egrep
48 | - sed
49 | 
50 | ####TODO
51 | 
52 | - Create option to rename files to the title of the item + original file extension
53 | - Create start and end paramaters to limit range of downloaded podcasts
54 | 


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/podcast-download.sh:
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 1 | #!/bin/bash
 2 | # 
 3 | #
 4 | # Description: A simple bash script to download all media from a podcast XML feed
 5 | #
 6 | # Usage: sh podcast-download.sh http://myfeed.com/rss /PATH/TO/FOLDER
 7 | #
 8 | # Author: Andrew Morton
 9 | # Url: https://github.com/mortocks/bash-podcast-download
10 | #
11 | # Licence: GNU v3.0
12 |  
13 | 
14 | # Optional Variables
15 | # You can hardcode the feed and url variables here to avoid sending them when envoking the script
16 | FEED='' # URL TO THE RSS FEED
17 | FOLDER='' # RELATIVE PATH OF FOLDER TO DOWNLOAD FILES TO
18 | 
19 | # Override hardcoded feeds with passed variables
20 | [ -n "$1" ] && FEED=$1
21 | [ -n "$2" ] && FOLDER=$2
22 | 
23 | # Check if feed is empty
24 | if [ -z "$FEED" ]; then
25 | 	echo "Error: No feed specified"; exit
26 | fi
27 | 
28 | # Check if path is empty
29 | if [ -z "$FOLDER" ]; then
30 | 	echo "Error: No folder specified"; exit
31 | fi
32 | 
33 | # Create destination folder if it doesn't exsist
34 | if [ -d $FOLDER ]; then
35 | 	echo "$FOLDER exists"
36 | else 
37 | 	echo "Creating directory $FOLDER"
38 | 	mkdir $FOLDER
39 | fi 
40 | 
41 | 
42 | STARTTIME=`date +%s`
43 | 
44 | 
45 | # Get the full XML feed | extract the enclosure url attribute | extract the url
46 | MEDIA=$(curl -s $FEED | xpath '/rss/channel/item/enclosure/@url' 2>/dev/null | egrep -o 'https?://[^"<]+' )
47 | 
48 | 
49 | # Loop through and download file if not already downloaded
50 | while IFS= read -r URL
51 | do
52 | 
53 | 	# Find the last part of the url using the / as delimiter
54 | 	AFTER_SLASH=${URL##*/}
55 | 
56 | 	# Remove any additional query params in the filename by removing everything after ?
57 | 	FILE_NAME=${AFTER_SLASH%%\?*}
58 | 
59 | 	DATE=$(date)
60 | 
61 | 	# If file as already been downloaded ignore
62 | 	if [ -f $FOLDER/$FILE_NAME ]; then
63 | 		echo "Exsists $URL $FOLDER/$FILE_NAME $FILE_NAME $DATE"
64 | 	else 
65 | 		echo "Download $URL $FOLDER/$FILE_NAME $FILE_NAME $DATE"
66 | 		curl -s -L $URL > $FOLDER/$FILE_NAME
67 | 	fi 
68 | 
69 | done <<< "$MEDIA"
70 | 
71 | ENDTIME=`date +%s`
72 | echo Finished total time `expr $ENDTIME - $STARTTIME`s.


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