From: Mike Taylor <mike@indexdata.com>
Date: Mon, 8 Dec 2014 16:56:34 +0000 (+0000)
Subject: Some code, not complete.
X-Git-Tag: v0.02~21
X-Git-Url: http://git.indexdata.com/?p=perl-indexdata-utils.git;a=commitdiff_plain;h=814599b13f90ab9771f5e22f0eac35e2d987deee

Some code, not complete.
---

diff --git a/lib/IndexData/Utils/PersistentCounter.pm b/lib/IndexData/Utils/PersistentCounter.pm
index 5779261..95e18bc 100644
--- a/lib/IndexData/Utils/PersistentCounter.pm
+++ b/lib/IndexData/Utils/PersistentCounter.pm
@@ -4,4 +4,38 @@ use 5.018002;
 use strict;
 use warnings;
 
+use IO::File;
+
+
+sub new {
+    my $class = shift();
+    my($file, $create) = @_;
+
+    if (! -f $file) {
+	return undef if !$create;
+	#   ###	There is a bit of a race condition here, but it's not
+	#	something that's going to crop up in real life.
+	my $fh = new IO::File(">$file") || return undef;
+	$fh->print("1\n");
+	$fh->close() or return undef;
+    }
+
+    my $this = bless {
+	file => $file,
+    }, $class;
+
+    return $this;
+}
+
+
+sub next {
+    my $this = shift();
+}
+
+
+sub delete {
+    my $this = shift();
+}
+
+
 1;