From 54ea66d96c7e6b83eb878def5f4565e025ee3692 Mon Sep 17 00:00:00 2001
From: rillig <rillig>
Date: Wed, 24 Aug 2005 21:51:10 +0000
Subject: Added a code snippet that demonstrates how to set the $@ array to the
 lines printed by a shell command. In contrast to the read(1) shell utility,
 there are no problems when the output contains backslashes.

---
 mk/scripts/shell-lib | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'mk')

diff --git a/mk/scripts/shell-lib b/mk/scripts/shell-lib
index 1d8cb95ac40..23a45cd4876 100644
--- a/mk/scripts/shell-lib
+++ b/mk/scripts/shell-lib
@@ -1,4 +1,4 @@
-# $NetBSD: shell-lib,v 1.2 2004/09/21 15:14:08 jlam Exp $
+# $NetBSD: shell-lib,v 1.3 2005/08/24 21:51:10 rillig Exp $
 #
 # Copyright (c) 2004 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -383,3 +383,14 @@ fqueue_is_empty()
 		return 1
 	fi
 }
+
+######################################################################
+# $setargs_from_cmd
+#	Run $cmd and initialize the $@ array with the lines from that
+#	command.
+# usage:
+#	cmd="echo *"; eval "${setargs_from_cmd}"
+#	for i in "$@"; do echo "($i)"; done
+######################################################################
+setargs_from_cmd='saved_IFS="${IFS}"; IFS="
+"; set args `eval "${cmd}"`; IFS="${saved_IFS}"; shift'
-- 
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