option to include everything in atom feed

Fixed missing newlines in help message and made it so that setting the -m flag
to 0 incudes all files in the atom feed. Also madde this behaviur the default

rivet.1

@@ -51,6 +51,7 @@ Set the description of the atom feed to
 .IP "\-n number"
 Set the maximum number of elements in the atom feed to 
 .I number
+setting it to '0' includes all files
 .IP \-v
 verbose option, sets -x and prints every command as it runs
 .IP \-h

rivet.sh

@@ -34,9 +34,10 @@ usage() {
 	printf "\t-h: prints this message\n"
 	printf "\t-o [destdir]: specifies the output direcotory to be [destdir]\n"
 	printf "\t-p [string]: Rename the \"Pages\" section to [string]\n"
-	printf "\t-n [string]: Set the title of the atom feed"
-	printf "\t-d [string]: Set the description of the atom feed"
-	printf "\t-m [number]: Set the max number of elements in the atom feed"
+	printf "\t-n [string]: Set the title of the atom feed\n"
+	printf "\t-d [string]: Set the description of the atom feed\n"
+	printf "\t-m [number]: Set the max number of elements in the atom feed,
+		0 to include all files\n"
 	printf "\t-v: Makes the script verbose\n"
 	printf "\t-e: Do not prepend _header.html to .html files\n"
 	printf "\t-f: Do not prepend _footer.html to .html files\n"
@@ -71,7 +72,7 @@ prefix='https'
 linksec='Pages'
 blog_title='Atom feed'
 blog_desc=''
-blog_nmax='3'
+blog_nmax='0'
 while getopts 'o:vhelfsrup:n:d:m:' c
 do
 	case "$c" in
@@ -244,8 +245,10 @@ EOF
 	count='0'
 	while IFS="" read -r line; do
 		count=$((count + 1))
-		if [ $count -gt "$blog_nmax" ]; then
-			break
+		if [ "$blog_nmax" -gt '0' ]; then
+			if [ $count -gt "$blog_nmax" ]; then
+				break
+			fi
 		fi
 		tfile="$(awk "NR==$count" "$objlist")"
 		title="$(sed -E -n 's/.*<title>\s*(.+)\s*<\/title>.*/\1/p' "$tfile")"