Update cookbook file extensions and shebangs

- Changed file extension from .p6 to .raku
- Changed shebangs to #!/usr/bin/env raku
- Set file modes to executable

See also: Raku#57, Raku#58

categories/cookbook/01strings/01-00introduction.p6 → categories/cookbook/01strings/01-00introduction.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/01strings/01-01substrings.p6 → categories/cookbook/01strings/01-01substrings.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/01strings/01-03exchanging-values.p6 → categories/cookbook/01strings/01-03exchanging-values.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/01strings/01-04converting-values.p6 → categories/cookbook/01strings/01-04converting-values.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/01strings/01-05namedunicode.p6 → categories/cookbook/01strings/01-05namedunicode.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/01strings/01-07reversing-strings.p6 → categories/cookbook/01strings/01-07reversing-strings.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/01strings/01-13upper-lower-case.p6 → categories/cookbook/01strings/01-13upper-lower-case.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/01strings/01-19trim-whitespace.p6 → categories/cookbook/01strings/01-19trim-whitespace.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/01strings/01-22soundex-matching.p6 → categories/cookbook/01strings/01-22soundex-matching.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/02numbers/02-01valid-number.p6 → categories/cookbook/02numbers/02-01valid-number.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/02numbers/02-05-roman-numerals.p6 → categories/cookbook/02numbers/02-05-roman-numerals.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/02numbers/02-12taking-logarithms.p6 → categories/cookbook/02numbers/02-12taking-logarithms.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/02numbers/02-14complex-number.p6 → categories/cookbook/02numbers/02-14complex-number.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/02numbers/02-15convert-bases.p6 → categories/cookbook/02numbers/02-15convert-bases.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-01-todays-date.p6 → categories/cookbook/03dates-and-times/03-01-todays-date.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-02-datetime-to-epoch.p6 → categories/cookbook/03dates-and-times/03-02-datetime-to-epoch.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-03-epoch-to-datetime.p6 → categories/cookbook/03dates-and-times/03-03-epoch-to-datetime.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-04-date-add-sub.p6 → categories/cookbook/03dates-and-times/03-04-date-add-sub.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-05-sub-two-dates.p6 → categories/cookbook/03dates-and-times/03-05-sub-two-dates.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-06-day-to-num-wmy.p6 → categories/cookbook/03dates-and-times/03-06-day-to-num-wmy.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-07-datetime-parse-from-str.pl.TODO

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-09-hires-times.p6 → categories/cookbook/03dates-and-times/03-09-hires-times.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/03dates-and-times/03-10-short-sleeps.pl.TODO

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/04arrays/04-01specifying-a-list-in-your-program.p6 → categories/cookbook/04arrays/04-01specifying-a-list-in-your-program.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/04arrays/04-02printing-a-list-with-commas.p6 → categories/cookbook/04arrays/04-02printing-a-list-with-commas.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/04arrays/04-05iterating-over-an-array.p6 → categories/cookbook/04arrays/04-05iterating-over-an-array.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/05hashes/05-05traversing.p6 → categories/cookbook/05hashes/05-05traversing.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/06pattern-matching/06-01-copy-subst.p6 → categories/cookbook/06pattern-matching/06-01-copy-subst.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/06pattern-matching/06-02-match-letters.p6 → categories/cookbook/06pattern-matching/06-02-match-letters.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/07file-access/07-01opening_file.p6 → categories/cookbook/07file-access/07-01opening_file.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/08file-contents/08-02-count-lines.p6 → categories/cookbook/08file-contents/08-02-count-lines.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/08file-contents/08-03-process-words.p6 → categories/cookbook/08file-contents/08-03-process-words.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/08file-contents/08-04-read-file-lines-backwards.p6 → categories/cookbook/08file-contents/08-04-read-file-lines-backwards.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/09directories/09-01-get-set-filetime.p6 → categories/cookbook/09directories/09-01-get-set-filetime.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/09directories/09-02-delete-file.p6 → categories/cookbook/09directories/09-02-delete-file.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/09directories/09-03-copy-move-file.p6 → categories/cookbook/09directories/09-03-copy-move-file.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/09directories/09-05-all-files-dir.p6 → categories/cookbook/09directories/09-05-all-files-dir.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/09directories/09-06-filenames-matching-pattern.p6 → categories/cookbook/09directories/09-06-filenames-matching-pattern.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/09directories/09-07-all-files-process.p6 → categories/cookbook/09directories/09-07-all-files-process.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/09directories/09-10-filename-splitting.p6 → categories/cookbook/09directories/09-10-filename-splitting.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/09directories/09-11-all-files-lazy.p6 → categories/cookbook/09directories/09-11-all-files-lazy.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/10subroutines/10-01arguments.p6 → categories/cookbook/10subroutines/10-01arguments.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/13classes-objects-and-ties/13-01constructing-an-object.p6 → categories/cookbook/13classes-objects-and-ties/13-01constructing-an-object.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/13classes-objects-and-ties/13-03managing-instance-data.p6 → categories/cookbook/13classes-objects-and-ties/13-03managing-instance-data.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/13classes-objects-and-ties/13-04managing-class-data.p6 → categories/cookbook/13classes-objects-and-ties/13-04managing-class-data.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/13classes-objects-and-ties/13-14overloading-operators.p6 → categories/cookbook/13classes-objects-and-ties/13-14overloading-operators.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/14database-access/14-09-dbi-sql.p6 → categories/cookbook/14database-access/14-09-dbi-sql.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/15interactivity/15-01-parse-program-args.p6 → categories/cookbook/15interactivity/15-01-parse-program-args.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/15interactivity/15-02-test-interactive-program.p6 → categories/cookbook/15interactivity/15-02-test-interactive-program.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/15interactivity/15-03-clear-screen.p6 → categories/cookbook/15interactivity/15-03-clear-screen.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/15interactivity/15-04-changing-text-colour.p6 → categories/cookbook/15interactivity/15-04-changing-text-colour.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/15interactivity/15-05-get-char.t

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/16processes/16-01-operation-timeout.p6 → categories/cookbook/16processes/16-01-operation-timeout.raku

@@ -1,3 +1,5 @@
+#!/usr/bin/env raku
+
 use v6;
 
 =begin pod

categories/cookbook/16processes/16-13-listing-signals.p6 → categories/cookbook/16processes/16-13-listing-signals.raku

@@ -1,3 +1,5 @@
+#!/usr/bin/env raku
+
 use v6;
 
 =begin pod

categories/cookbook/16processes/16-14-send-signal.p6 → categories/cookbook/16processes/16-14-send-signal.raku

@@ -1,3 +1,5 @@
+#!/usr/bin/env raku
+
 use v6;
 
 =begin pod

categories/cookbook/16processes/16-18-catch-control-c.p6 → categories/cookbook/16processes/16-18-catch-control-c.raku

@@ -1,3 +1,5 @@
+#!/usr/bin/env raku
+
 use v6;
 
 =begin pod

categories/cookbook/17sockets/17-01tcp_client.p6 → categories/cookbook/17sockets/17-01tcp_client.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/17sockets/17-02tcp_server.p6 → categories/cookbook/17sockets/17-02tcp_server.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/19cgi-programming/19-01cgi-script.p6 → categories/cookbook/19cgi-programming/19-01cgi-script.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;
 

categories/cookbook/20web-automation/20-01-fetching-uri.p6 → categories/cookbook/20web-automation/20-01-fetching-uri.raku

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl6
+#!/usr/bin/env raku
 
 use v6;