From a46b631be3830db9bf4db53aa5e04c043a3213eb Mon Sep 17 00:00:00 2001
From: peterjc <p.j.a.cock@googlemail.com>
Date: Mon, 2 Apr 2012 11:30:36 +0100
Subject: [PATCH] Add a tiny bit of help text to 'samtools depad' command.

---
 padding.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/padding.c b/padding.c
index 4061f24..6d97b18 100644
--- a/padding.c
+++ b/padding.c
@@ -181,6 +181,7 @@ int main_pad2unpad(int argc, char *argv[])
         int result=0;
 	if (argc == 1) {
 		fprintf(stderr, "Usage: samtools depad <in.bam>\n");
+		fprintf(stderr, "\nRequires embedded reference sequences (before the reads for that reference).\n");
 		return 1;
 	}
 	in = strcmp(argv[1], "-")? bam_open(argv[1], "r") : bam_dopen(fileno(stdin), "r");
-- 
2.39.2