From 93322ae0c5632826e6bc7cd424bb2da23a1a9f38 Mon Sep 17 00:00:00 2001
From: Shahram Najm <masn@ecmwf.int>
Date: Mon, 4 Dec 2023 18:18:21 +0000
Subject: [PATCH] Tools: Rename and documentation

---
 tools/{grib_split => grib_split.pl} | 5 +++++
 1 file changed, 5 insertions(+)
 rename tools/{grib_split => grib_split.pl} (92%)

diff --git a/tools/grib_split b/tools/grib_split.pl
similarity index 92%
rename from tools/grib_split
rename to tools/grib_split.pl
index 1e86d8fda..492267ad7 100755
--- a/tools/grib_split
+++ b/tools/grib_split.pl
@@ -1,6 +1,11 @@
 #!/usr/bin/perl
 use strict;
 
+# ----------------------------------------------------------------------
+# Convert GRIB edition 2 multi-field (several fields per message) files
+# to single-field (one field per message)
+# ----------------------------------------------------------------------
+
 my $debug = 0;
 my $total = 0;
 my $previous_bitmap;