From 1f28f34dade2276b42c4a11bd8f81945473fce5f Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Thu, 7 Jul 2011 00:51:50 +0200
Subject: randsleep.1: Add RATIONALE

---
 src/randsleep.1 | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/randsleep.1 b/src/randsleep.1
index 0868c60..41d2fac 100644
--- a/src/randsleep.1
+++ b/src/randsleep.1
@@ -33,6 +33,23 @@ seconds.
 It is intended for use in cronjobs and similar.
 .
 .
+.Sh RATIONALE
+.
+.Qq sleep $(( RANDOM % 120 )); do_stuff
+and similar constructs are frequently used in crontab entries to decrease load
+spikes when several entries are executed at the same time.
+.
+.Pp
+.
+However, in certain shells
+.Pq such as Cm dash
+.Ev $RANDOM
+may not be available.
+This leads to workarounds involving, for
+example, /dev/urandom and cksum.  Since repeating the same workarounds over
+and over seems somewhat pointless, this tool was created.
+.
+.
 .Sh AUTHOR
 .
 Copyright (C) 2011 Daniel Friesel
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