>From 7ff005398286f055db84364205ff30a2eee04f71 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sat, 8 Jan 2022 22:31:58 +0100 Subject: [PATCH] doc: Document how to deal with missing 'join'. * doc/autoconf.texi (Limitations of Usual Tools): Mention that 'join' is missing in BusyBox. --- doc/autoconf.texi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/doc/autoconf.texi b/doc/autoconf.texi index 04730dcc..06a98dd0 100644 --- a/doc/autoconf.texi +++ b/doc/autoconf.texi @@ -19624,6 +19624,12 @@ On NetBSD, @command{join -a 1 file1 file2} mistakenly behaves like @command{join -a 1 -a 2 1 file1 file2}, resulting in a usage warning; the workaround is to use @command{join -a1 file1 file2} instead. +On platforms with the BusyBox tools, the @command{join} command is +entirely missing. As a workaround, you can simulate special cases of the +@command{join} command using an @command{awk} script. For an example, +see @url{https://lists.gnu.org/r/bug-gnulib/2021-04/msg00054.html}. + + @item @command{ln} @c --------------- @prindex @command{ln} -- 2.25.1