From 261e0bd8de1f84ceeaa417c9aed73c9862419416 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Mon, 28 Nov 2022 00:29:35 +0100
Subject: [PATCH] document statistics signaling

Nice to know without reading source code or somehow guessing similarity to
ping.
---
 barcat | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/barcat b/barcat
index fabc9a5..3eb004e 100755
--- a/barcat
+++ b/barcat
@@ -648,6 +648,10 @@ Unspecified, block fill glyphs U+2581-2588 will be used.
 
 Total statistics after all data.
 
+While processing (possibly a neverending pipe),
+intermediate results are also shown on signal I<SIGINFO> if available (control+t on BSDs)
+or I<SIGQUIT> otherwise (ctrl+\ on linux).
+
 =item -u, --unmodified
 
 Do not reformat values, keeping leading whitespace.
-- 
2.30.0