#!/bin/bash
#
# linktree -- 2008-09-15
#
# Make a link tree for the current directory, creates linktree.html 
#  for inclusion in index.html with this SSI directive:
#
#    <!--#include virtual="linktree.html" -->
#
# Linktree lines are padded with "  " (two blanks) and include the 
#  <pre></pre> formatting tags.
#
# Copyright (C) 2008 Grant Coady <grant@bugsplatter.id.au> GPLv2
#
# Call: cd $some_dir; linktree
#
# Excludes listing of index.html and README.html files as well as the 
#  linktree output file as well as other file areas, adjust to taste :)
#
# Limited to 2 directory levels
#

tree -L 2 -n -I "README*|index*|linktree*" --noreport	| \
	egrep -v '/usr/local|/home/common|\.txt\.gz'	| \
	awk -v dir="$1" '
	BEGIN {
		print "<!-- ssi-file -->"
	}
	FNR == 1 {
		print "<pre>  " $1
		next
	}
	!/^ / && /^.-- / {
		printf "  %s <a href=\"%s/\">%s</a>\n", $1, $2, $2
		dir = $2
		next
	}
	{
		link = sprintf("<a href=\"%s/%s\">%s</a>", dir, $NF, $NF)
	}
	!/^ / && /^|   .-- / {
		print "  " $1, "  " $2, link
	}
	/^    .-- / {
		print "     ", $1, link
	}
	END {
		print "</pre>"
	}
	' > linktree.text
# end