From c56262b12cad8e4e9bd5760c0648b5f6da879eec Mon Sep 17 00:00:00 2001
From: Nicolas Boisselier <nicolas.boisselier@gmail.com>
Date: Mon, 1 May 2023 21:24:03 +0200
Subject: [PATCH] remove cron if no file or stdin

---
 bin/cron_d2crontab | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/bin/cron_d2crontab b/bin/cron_d2crontab
index 9f826532..ea1b7cce 100755
--- a/bin/cron_d2crontab
+++ b/bin/cron_d2crontab
@@ -38,7 +38,12 @@ my $exp = shift @ARGV;
 #
 # Parse src file
 #
-my @src = map {chomp; $_} grep {/^(\w+=|\*|\d+|@)/} <>;
+#die @ARGV;
+#warn (-t ? 'YES' : 'NO');
+my @src = (@ARGV or !-t)
+	? ( map {chomp; $_} grep {/^(\w+=|\*|\d+|@)/} <> )
+	: ()
+;
 
 for (my $i=0;$i<@src;$i++) {
 
-- 
2.47.3