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#!/usr/bin/perl
# Author: Arthur Xiong
# Date: 06/21/2010
# Description: Script to automatically update help string for each
# node.def according to the inputs
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2006-2010 Vyatta, Inc.
# All Rights Reserved.
#
# **** End License ****
use strict;
use warnings;
die "Usage: update-helpstring.pl <helpstring-file> <path-to-template>"
unless $#ARGV == 1;
my $helpstring;
my $path;
my $comment;
my $help_line;
my $node_def;
my $helpstring_file = $ARGV[0];
my $prefix = $ARGV[1];
open my $hf, '<', $helpstring_file or die "$helpstring_file can't be opened";
while (<$hf>) {
chomp;
next if /^#.*/ or /^\s*$/;
die "Syntax Error \"$_\"" unless /^(\S+)\s+\|\s*(\S.*)$/;
$path = $1;
$helpstring = $2;
$help_line = "";
$help_line = "help: " . $helpstring . "\n";
print "$help_line";
$node_def = "";
$node_def = $prefix . "/" . $path . "/" . "node.def";
open my $nf, '<', $node_def or die "$node_def can't be opened";
open my $nfn, '>', "$node_def.new" or die "$node_def.new can't be opened";
while (<$nf>) {
if ( /^help:/ ) {
print $nfn $help_line;
} else {
print $nfn $_;
}
}
close $nfn;
close $nf;
rename "$node_def.new", "$node_def"
or die "$node_def.new can't be renamed to $node_def";
print "Updated $node_def\n\n";
}
close $hf;
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