From 651f7e3f4edebae34347dad3de22a888a119b87f Mon Sep 17 00:00:00 2001
From: drbaggy <js5@sanger.ac.uk>
Date: Tue, 16 Feb 2021 13:16:22 +0000
Subject: go from s{}{} -> s/// saves a byte

---
 challenge-100/james-smith/perl/ch-1.pl | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/challenge-100/james-smith/perl/ch-1.pl b/challenge-100/james-smith/perl/ch-1.pl
index 8c284ce88a..57352d1f30 100644
--- a/challenge-100/james-smith/perl/ch-1.pl
+++ b/challenge-100/james-smith/perl/ch-1.pl
@@ -39,22 +39,22 @@ done_testing();
 ## We assume that the minute portion will be two digits after the
 ## ":" then we don't need to check it....
 
-## 111 bytes total - 103 inside the curly braces..
+## 110 bytes total - 102 inside the curly braces..
 
-sub ft{pop=~s{(.+)(:..)\s*(.m|)}{sprintf'%02d%s%s',
-($1%12||(12*!$3))+12*('pm'eq$3),$2,$3?'':$1<12?'am':'pm'}re}
+sub ft{pop=~s/(.+)(:..)\s*(.m|)/sprintf'%02d%s%s',
+($1%12||(12*!$3))+12*('pm'eq$3),$2,$3?'':$1<12?'am':'pm'/re}
 
 ## This is more readable version with notes...
 sub fun_time {
   return pop =~
     ## Note the nasty hack we pop rather than shift - that saves 2 bytes
     ## in our golfdom....
-    s{
-        ## Split into 3 parts, $1 - hours, $2 - minutes & $3 - am/pm
+    s/
+        ## Split into 3 parts, $1 - hours, $2 - minutes & $3 - am-pm
       (.+) (:..) \s* ( .m | )
         ## We assume all strings are valid - so we don't have to anchor
         ## at both ends or worry what the 12hr clock sufficies are
-        ## am/pm and .m is shorter than [ap]m
+        ## am-pm and .m is shorter than [ap]m
         ##
         ## We assume that the time will always have a : followed
         ## 2 digits...
@@ -63,8 +63,7 @@ sub fun_time {
         ## sometimes undefined - better is to use (.m|) which
         ## matches the same way but $3 is now an empty string not
         ## undefined when we have a 24 hour clock time
-    }
-    {
+    /
       sprintf '%02d%s%s',
         ( $1 % 12 || ( 12 * ! $3 ) ) + 12 * ( 'pm' eq $3 ),
           ## Get hour modulo 12..
@@ -80,7 +79,7 @@ sub fun_time {
           ## The minutes is the easy bit just copy..
         $3 ? '' : $1 < 12 ? 'am' : 'pm'
           ## If we are converting from 12hr clock the third string is
-          ## empty - if not and the time is <12 we return am o/w  pm
-    }rex;
+          ## empty - if not and the time is <12 we return am otherwise pm
+    /rex;
 }
 
-- 
cgit