From cdff687c62bbb2a7c8c7bd2e4eecfd1186d7bc44 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Sat, 18 Dec 2010 19:58:39 +0100
Subject: hashl: Add list mode

---
 bin/hashl | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/bin/hashl b/bin/hashl
index eaa2cc9..399e373 100755
--- a/bin/hashl
+++ b/bin/hashl
@@ -14,10 +14,16 @@ use Storable qw(nstore retrieve);
 
 my $base = getcwd();
 my $rel_paths = 1;
-my $read_size = (2 ** 20) * 10; # 10 MiB
+my $read_size = (2 ** 20) * 4; # 4 MiB
 
 my $db;
 
+my $action = $ARGV[0];
+
+if (not defined $action) {
+	die("Usage: $0 <action>\n");
+}
+
 if (-r 'hashl.db') {
 	$db = retrieve('hashl.db');
 }
@@ -63,9 +69,16 @@ sub process_file {
 	};
 }
 
-find(\&process_file, $base);
-
-nstore($db, 'hashl.db');
+if ($action eq 'update') {
+	find(\&process_file, $base);
+	nstore($db, 'hashl.db');
+}
+elsif ($action eq 'list') {
+	for my $name (sort keys %{$db}) {
+		my $file = $db->{$name};
+		printf("%s %s\n", $file->{'hash'}, $name);
+	}
+}
 
 __END__
 
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