die "~/.zsh or ~/.zshrc exist. Backup them first.\n" if -e "$home/.zsh" or -e "$home/.zshrc";
+
+my $zshsyntaxDir = $zshDir . "plugins/zsh-syntax-highlighting";
+
+if (not -e $zshsyntaxDir) {
+ print " clone submoduells\n ";
+ ! system "git submodule init" or die $!;
+ ! system "git submodule update" or die $!;
+} else {
+ print "zsh syntax submodule already exists.\n";
+}
+
print `ln -s $zshDir $home/.zsh`;
print `ln -s $zshrc $home/.zshrc`;