5 # The first command line argument is a non-empty relative path
6 # specifying the "from" directory.
7 # Each other argument is a file name not containing / and
8 # names a file in the current directory.
10 # For each of these files, we create in the "from" directory a link
11 # of the same name pointing to the local file.
13 # We assume that the directory structure is a tree, i.e. that it does
14 # not contain symbolic links and that the parent of / is never referenced.
15 # Apart from this, this script should be able to handle even the most
32 my @from_path = split(/[\\\/]/, $from);
34 my @pwd_path = split(/[\\\/]/, $pwd);
39 foreach $dirname (@from_path) {
41 # In this loop, @to_path always is a relative path from
42 # @pwd_path (interpreted is an absolute path) to the original pwd.
44 # At the end, @from_path (as a relative path from the original pwd)
45 # designates the same directory as the absolute path @pwd_path,
46 # which means that @to_path then is a path from there to the original pwd.
48 next if ($dirname eq "" || $dirname eq ".");
50 if ($dirname eq "..") {
51 @to_path = (pop(@pwd_path), @to_path);
53 @to_path = ("..", @to_path);
54 push(@pwd_path, $dirname);
58 my $to = join('/', @to_path);
61 $symlink_exists=eval {symlink("",""); 1};
62 foreach $file (@files) {
64 if ($symlink_exists) {
66 symlink("$to/$file", "$from/$file") or $err = " [$!]";
69 open (OLD, "<$file") or die "Can't open $file: $!";
70 open (NEW, ">$from/$file") or die "Can't open $from/$file: $!";
76 close (OLD) or die "Can't close $file: $!";
77 close (NEW) or die "Can't close $from/$file: $!";
79 print $file . " => $from/$file$err\n";