Make 'Configure -Dcf_by=...' work

[p5sagit/p5-mst-13.2.git] / pod / perlretut.pod

diff --git a/pod/perlretut.pod b/pod/perlretut.pod
index 57fc772..be4693d 100644 (file)
--- a/pod/perlretut.pod
+++ b/pod/perlretut.pod
@@ -158,13 +158,14 @@ that a metacharacter can be matched by putting a backslash before it:
     "2+2=4" =~ /2\+2/;   # matches, \+ is treated like an ordinary +
     "The interval is [0,1)." =~ /[0,1)./     # is a syntax error!
     "The interval is [0,1)." =~ /\[0,1\)\./  # matches
-    "/usr/bin/perl" =~ /\/usr\/local\/bin\/perl/;  # matches
+    "/usr/bin/perl" =~ /\/usr\/bin\/perl/;  # matches
 
 In the last regexp, the forward slash C<'/'> is also backslashed,
 because it is used to delimit the regexp.  This can lead to LTS
 (leaning toothpick syndrome), however, and it is often more readable
 to change delimiters.
 
+    "/usr/bin/perl" =~ m!/usr/bin/perl!;    # easier to read
 
 The backslash character C<'\'> is a metacharacter itself and needs to
 be backslashed:
@@ -689,10 +690,11 @@ inside goes into the special variables C<$1>, C<$2>, etc.  They can be
 used just as ordinary variables:
 
     # extract hours, minutes, seconds
-    $time =~ /(\d\d):(\d\d):(\d\d)/;  # match hh:mm:ss format
-    $hours = $1;
-    $minutes = $2;
-    $seconds = $3;
+    if ($time =~ /(\d\d):(\d\d):(\d\d)/) {    # match hh:mm:ss format
+       $hours = $1;
+       $minutes = $2;
+       $seconds = $3;
+    }
 
 Now, we know that in scalar context,
 S<C<$time =~ /(\d\d):(\d\d):(\d\d)/> > returns a true or false