16c16
< if test ! -d $datadir
---
> if test ! -d "$datadir"
18c18
<         mkdir $datadir
---
>         mkdir "$datadir"
23a24,29
> # If this is the first time, touch podcast.log to shut up the grep below.
> if ! [ -e podcast.log ]
> 	then
> 	touch podcast.log
> fi
> 
30c36
< 		if ! grep "$url" podcast.log > /dev/null
---
> 		if ! grep "^$url$" podcast.log > /dev/null
32c38
< 			wget -q -P $datadir "$url" && echo $url >> temp.log
---
> 			wget -q -P "$datadir" "$url" && echo "$url" >> temp.log
36,41c42,55
< # Move dynamically created log file to permanent log file:
< cat podcast.log >> temp.log
< sort temp.log | uniq > podcast.log
< rm temp.log
< # Create an m3u playlist:
< ls $datadir | grep -v m3u > $datadir/podcast.m3u
---
> # Move dynamically created log file (if any) to permanent log file:
> if [ -s temp.log ]
> 	then
> 	cat podcast.log >> temp.log
> 	sort -u temp.log > podcast.log
> fi
> rm -f temp.log
> 
> # If nothing was downloaded, just remove the download directory.  Else
> # create an m3u playlist:
> if ! rmdir 2> /dev/null "$datadir"
> 	then
> 	ls "$datadir" | grep -v '\.m3u$' > "$datadir"/podcast.m3u
> fi