[cookbook] Correct minor whitespace issues

Author: paultcochrane

categories/cookbook/09directories/09-02-delete-file.pl

@@ -11,7 +11,7 @@
 =end pod
 
 # create a file
-my $f = open "foo",:w;
+my $f = open "foo", :w;
 $f.print(time);
 $f.close;
 

categories/cookbook/09directories/09-03-copy-move-file.pl

@@ -11,7 +11,7 @@
 =end pod
 
 # create a file
-my $f = open "foo",:w;
+my $f = open "foo", :w;
 $f.print(time);
 $f.close;
 
@@ -20,12 +20,12 @@
 $io.copy("foo2");
 
 # clean up
-unlink ("foo2");
+unlink("foo2");
 
 # move
 $io.rename("foo2");
 
 # clean up
-unlink ("foo2");
+unlink("foo2");
 
 # vim: expandtab shiftwidth=4 ft=perl6

categories/cookbook/09directories/09-05-all-files-dir.pl

@@ -10,7 +10,7 @@
 
 =end pod
 
-for  dir(".") -> $f {
+for dir(".") -> $f {
     say $f.perl;
 }
 

categories/cookbook/09directories/09-06-filenames-matching-pattern.pl

@@ -10,7 +10,7 @@
 
 =end pod
 
-my @perl-files = dir "." , test=>/\.pl/;
+my @perl-files = dir ".", test=>/\.pl/;
 
 #  returns a list of IO::Path objects
 

categories/cookbook/09directories/09-07-all-files-process.pl

@@ -14,7 +14,7 @@
 
 # note binding := for a list
 
-my @files :=  find(:dir("/etc"),:type('file'));
+my @files := find(:dir("/etc"), :type('file'));
 
 #  returns a list of IO::Path objects