Refactoring + new output file name convention

README.md

@@ -3,12 +3,11 @@
 This bash script allows to extract video links from a YouTube playlist.
 
 # Dependencies
-The script requires [xml2](http://www.ofb.net/~egnor/xml2/), and
-[wget](https://www.gnu.org/software/wget/) or [curl](http://curl.haxx.se/).
+The script requires [wget](https://www.gnu.org/software/wget/) or [curl](http://curl.haxx.se/).
 
 # Usage
 Playlist: `https://www.youtube.com/playlist?list=123CODEOFPLAYLIST`
 
     ./playlist2links 123CODEOFPLAYLIST
 
-The list of YouTube playlist's links is now saved in `playlist.txt`.
+The list of YouTube playlist's links is now saved in `playlist_123CODEOFPLAYLIST.txt`.

playlist2links

@@ -28,14 +28,13 @@ then
 fi
 
 eval $COMMAND
-grep -e "^<tr.*<a href=\"/watch?v=.*$1" "${TMPFILE}.html" | sed 's/.*watch/https:\/\/www.youtube.com\/watch?/g' | sed 's/&amp.*//g' > playlist.txt
+grep -e "^<tr.*<a href=\"/watch?v=.*$1" "${TMPFILE}.html" | sed 's/.*watch/https:\/\/www.youtube.com\/watch?/g' | sed 's/&amp.*//g' > playlist_$1.txt
 
 while [[ $(grep "continuation=" ${TMPFILE}.html) ]]
 do
 	sed -i 's/_continuation=1/\n/g' ${TMPFILE}.html
-	CONTINUATION=$(sed 's/\(.*\)continuation=/https:\/\/www.youtube.com\/browse_ajax?action_continuation=1&/g' <<< $(grep "continuation=" ${TMPFILE}.html))
-	CONTINUATION=$(sed 's/".*//g' <<< $CONTINUATION)
-	COMMAND=""
+	CONTINUATION=$((sed 's/\(.*\)continuation=/https:\/\/www.youtube.com\/browse_ajax?action_continuation=1&/g' | sed 's/".*//g') <<< $(grep "continuation=" ${TMPFILE}.html))
+
 	if [[ -n $(type -p wget) ]];
 	then
 		wget -o /dev/null -O "${TMPFILE}.html" "$CONTINUATION"
@@ -44,7 +43,7 @@ do
 	fi
 
 	tr -s '\\|/' '\n' < ${TMPFILE}.html >  "${TMPFILE}"
-	grep "^watch" ${TMPFILE} | sed 's/\\u0026amp;\(.*\)//g' | sed 's/watch/https:\/\/www.youtube.com\/watch/g' | sort -u >> playlist.txt
+	grep "^watch" ${TMPFILE} | sed 's/\\u0026amp;\(.*\)//g' | sed 's/watch/https:\/\/www.youtube.com\/watch/g' | sort -u >> playlist_$1.txt
 done
 
 rm -f ${TMPFILE}*