From a826236a5e85da07db0aedecaec77276f83652b5 Mon Sep 17 00:00:00 2001
From: snystrom <snystrom@users.noreply.github.com>
Date: Fri, 22 Oct 2021 00:07:39 -0400
Subject: [PATCH] add hint about indexing bam file if missing.

---
 src/main.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 16b851e..bd9464c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -84,7 +84,7 @@ struct Cli {
 fn connect_indexed_bam(path: &std::path::PathBuf) -> bam::IndexedReader {
     bam::IndexedReader::from_path(path)
         .ok()
-        .expect("Cannot read bam file")
+        .expect("Cannot read bam file. Ensure an index is present (samtools index <bamfile>).")
 }
 
 /// if path is - set prefix to ""