#!/usr/local/bin/perl
-# mklink.pl -- a faster substitute for mklink.sh.
+# mklink.pl
# The first command line argument is a non-empty relative path
# specifying the "from" directory.
-# Each other argument is a file name not containing / and names
-# a file in the current directory.
+# Each other argument is a file name not containing / and
+# names a file in the current directory.
#
# For each of these files, we create in the "from" directory a link
# of the same name pointing to the local file.
#
-# We assume that the directory structure is a tree, i.e. that does not
-# contain symbolic links and that the parent of / is never referenced.
+# We assume that the directory structure is a tree, i.e. that it does
+# not contain symbolic links and that the parent of / is never referenced.
# Apart from this, this script should be able to handle even the most
# pathological cases.
my @pwd_path = split(/\//, $pwd);
my @to_path = ();
-foreach my $dirname (@from_path) {
+
+my $dirname;
+foreach $dirname (@from_path) {
# In this loop, @to_path always is a relative path from
# @pwd_path (interpreted is an absolute path) to the original pwd.
my $to = join('/', @to_path);
-foreach my $file (@files) {
-# print "ln -s $to/$file $from/$file\n";
- symlink("$to/$file", "$from/$file");
- print $file . " => $from/$file\n";
+my $file;
+$symlink_exists=eval {symlink("",""); 1};
+foreach $file (@files) {
+ my $err = "";
+ if ($symlink_exists) {
+ symlink("$to/$file", "$from/$file") or $err = " [$!]";
+ } else {
+ system ("cp", "$file", "$from/$file") and $err = " [$!]";
+ }
+ print $file . " => $from/$file$err\n";
}