#!/usr/bin/perl -w
# my_mangle_examples.pl -- check EXE_FILES use #!perl for interpreter
# Copyright 2011 Kevin Ryde
# my_mangle_examples.pl is shared by several distributions.
#
# my_mangle_examples.pl is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# my_mangle_examples.pl 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.
#
# You should have received a copy of the GNU General Public License along
# with this file. If not, see <http://www.gnu.org/licenses/>.
use strict;
use warnings;
use File::Find;
# uncomment this to run the ### lines
#use Smart::Comments;
my $dir = $ARGV[0] || die "Usage: ./my_mangle_examples DIRECTORY";
-d "debian/$dir" or die "No such directory debian/$dir";
find({ wanted => sub {
### find: $_
if (/\.pm$/ && ! -d) {
mangle_file($_);
}
},
no_chdir => 1 },
"debian/$dir");
sub mangle_file {
my ($filename) = @_;
### mangle_file(): $filename
open FH, '<', $filename or die "Cannot open $filename: $!";
my $content = do { local $/=undef; <FH> };
my $count = ($content =~ s{F<(examples/[^>]*)>( in the .* sources)?}
{
my $example = $1;
"F</usr/share/doc/$dir/$example"
. (is_compressed($example) ? ".gz" : "")
. ">"
}e);
close FH or die "Error closing $filename: $!";
if ($count) {
print "my_mangle_examples.pl: $count changes in $filename\n";
open FH, '>', $filename or die "Cannot write $filename: $!";
print FH $content or die "Cannot write $filename: $!";
close FH or die "Error closing $filename: $!";
}
}
sub is_compressed {
my ($example) = @_;
my $fullname = "debian/$dir/usr/share/doc/$dir/$example";
if (-e $fullname) {
return (-s $fullname >= 4096);
}
if (-e "$fullname.gz") {
return 1;
}
die "Oops, no such file $fullname or .gz";
}
exit 0;