--- /dev/null
+#!/usr/bin/perl
+
+$filename = $ARGV[0];
+
+$filename =~ /^(.*)\.([^.]*)$/;
+$basename = $1;
+$extension = $2;
+
+print "Processing $filename...\n";
+
+$head = "";
+
+open(fi, "<$filename");
+
+while(<fi>) {
+ last if(/snip:chapter/);
+ $head .= $_;
+}
+
+# chapters
+my $nr=1;
+my @chapters;
+my @names;
+/!!!"(.*)"!!!/;$name = $1;
+while(<fi>) {
+ my $chapter = "";
+ # one chapter
+ while(1) {
+ if(/snip:\/chapter/) {
+ while(<fi>) {
+ last if(!/^\s*$/);
+ }
+ last;
+ }
+ $chapter .= $_;
+ $_ = <fi>;
+ }
+ $names[$nr] = $name;
+ $chapters[$nr++] = $chapter;
+
+ /!!!"(.*)"!!!/;$name = $1;
+ if(!/snip:chapter/) {
+ last;
+ }
+}
+
+while($_) {
+ $tail .= $_;
+ $_ = <fi>;
+}
+
+close(fi);
+
+my $num = $nr;
+$nr=1;
+for($nr=1;$nr<$num;$nr++) {
+ $h2 = $head;
+ $t2 = $tail;
+ my $filename = "$basename.$nr.$extension";
+ print "Creating $filename...\n";
+ for($n=1;$n<$num;$n++) {
+ if($nr == $n) {
+ $h2 =~ s/chapterlink$n/<a href="$basename.$n.$extension">>$names[$n]<<\/a>/;
+ } else {
+ $h2 =~ s/chapterlink$n/<a href="$basename.$n.$extension">$names[$n]<\/a>/;
+ }
+ }
+
+ if($nr > 1) {
+ $prev = $names[$nr-1];
+ $aprev = $basename.".".($nr-1).".".$extension;
+ $t2 =~ s/__prevlink__/<a href="$aprev">Previous: $prev<\/a>/;
+ } else {
+ $t2 =~ s/__prevlink__/ /;
+ }
+ if($nr < $num) {
+ $next= $names[$nr+1];
+ $anext = $basename.".".($nr+1).".".$extension;
+
+ $t2 =~ s/__nextlink__/<a href="$anext">Next: $next<\/a>/;
+ } else {
+ $t2 =~ s/__nextlink__/ /;
+ }
+ $t2 =~ s/__currentchapter__/$names[$nr]/;
+
+ open(fi, ">$filename");
+ print fi "$h2\n$chapters[$nr]\n$t2";
+ close(fi);
+}