#! /usr/bin/perl

#
# This script creates the README.install notes for the gno.boot disk
# from the relevent information in the file ./intro.tex.  It also reads
# in the file ../../verbatim/boot/README.install, and writes its results
# out to the same file.
#
# $Id: mknotes,v 1.2 1999/01/28 05:22:16 gdr-ftp Exp $
#

$texfile = "./intro.tex";
$notes = "../../verbatim/boot/README.install";

#
# First read in the beginning of the README.install file.  This part we
# leave as is.
#
open (fp, "< $notes") || die("couldn't read $notes: $!");
while (<fp>) {
    $output .= $_;
    if (m,\s*You should now do the following steps:\s*,) {
	last;
    }
}
close(fp);

$started = 0;
$itemcount = 1;
open (fp, "< $texfile") || die("couldn't read $texfile: $!");
while (<fp>) {

    # handle the beginning and end of our install notes section
    if ($started == 0) {
	if (m,^\s*%%\s+README.install-start\s*$,) {
	    $started = 1;
	}
	next;
    }
    if (m,^\s*%%\s+README.install-end\s*$,) {
	last;
    }

    # don't print TeX comments.
    if (m,^\s*\\begin\{comment\}\s*,) {
	$incomment = 1;
	next;
    }
    if (m,^\s*\\end\{comment\}\s*,) {
	$incomment = 0;
	next;
    }
    if ($incomment) {
	next;
    }

    # handle the paragraphs of our notes
    if (m,^\s*\\item\s*$,) {
	$firstline=1;
	next;
    }
    if (m,^\s*\\begin\{verbatim\}\s*$,) {
	$verbatim=1;
	next;
    }
    if (m,^\s*\\end\{verbatim\}\s*$,) {
	$verbatim=0;
	next;
    }
    if ($verbatim) {
	$output .= "\t";  # indent verbatim sections
    }
    if ($firstline) {
	$firstline = 0;
	$buffer = sprintf("\t%2d.  ", $itemcount++);
	$output .= $buffer;
    } else {
	$output .= "\t     ";
    }
    s,\\htlink\{([^\}]+)\},$1,g;    # show URLs as plain text
    s,\\hturl\{([^\}]+)\},$1,g;
    s,\s*\\bf\s*, ,g;               # strip formatting commands
    s,\\rm,,g;
    s,\\,,g;                        # strip '\' from "\_"
    s,\`\`,\",g;                    # translate TeX-style quotes
    s,\'\',\",g;
    $output .= $_;
}
close(fp);

# write out the results
open (fp, "> $notes") || die("couldn't read $notes: $!");
print fp $output;
close(fp);