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#!/usr/local/bin/perl
# Insert Next/Previous/Contents buttons in a set of pages.
@pages = sort fragmentorder @ARGV;
sub fragmentorder {
$a =~ /^node([0-9]+)/; $na = $1;
if ($a =~ /^node[0-9]+\.([0-9]+)\.html/) { $fa = $1; } else { $fa = 0; }
$b =~ /^node([0-9]+)/; $nb = $1;
if ($b =~ /^node[0-9]+\.([0-9]+)\.html/) { $fb = $1; } else { $fb = 0; }
return (($na <=> $nb) || ($fa <=> $fb));
}
for ($i = 0; $i <= $#pages; $i++) {
open(SRC, $pages[$i]);
open(DST, "> newpage.html");
select(DST);
$_ = <SRC>; # Title line
print "<HEAD>\n";
print $_;
do links();
print "</HEAD>\n";
print "<BODY>\n";
do buttons();
print "<HR>\n";
$numlines = 0;
while (<SRC>) {
$numlines++;
print $_;
}
if ($numlines >= 40) {
print "<HR>\n";
do buttons();
}
close(SRC);
close(DST);
rename("newpage.html", $pages[$i]);
}
sub links {
if ($i > 0) {
print '<LINK REL="Prev" HREF="', $pages[$i-1], "\">\n";
}
if ($i < $#pages) {
print '<LINK REL="Next" HREF="', $pages[$i+1], "\">\n";
}
print "<LINK REL=\"ToC\" HREF=\"index.html\">\n";
}
sub buttons {
if ($i > 0) {
print '<A HREF="', $pages[$i-1], '"><IMG SRC="previous_motif.gif" ALT="Previous"></A>', "\n";
}
if ($i < $#pages) {
print '<A HREF="', $pages[$i+1], '"><IMG SRC="next_motif.gif" ALT="Next"></A>', "\n";
}
print '<A HREF="index.html"><IMG SRC="contents_motif.gif" ALT="Contents"></A>', "\n";
}
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