From 0c25b359de8d4e0900f3ab4bd098736ed97b412d Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Wed, 14 Nov 2007 18:23:59 +0000
Subject: Allow bash arrays to be flattened to make some configs easier.

---
 sh/net.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'sh/net.sh')

diff --git a/sh/net.sh b/sh/net.sh
index 1ae030f7..74b3ac80 100755
--- a/sh/net.sh
+++ b/sh/net.sh
@@ -87,6 +87,26 @@ _get_array() {
 	[ -n "${_a}" ]
 }
 
+# Flatten bash arrays to simple strings
+_flatten_array() {
+	if [ -n "${BASH}" ] ; then
+		case "$(declare -p "$1" 2>/dev/null)" in
+			"declare -a "*)
+				eval "set -- \"\${$1[@]}\""
+				for x in "$@"; do
+					printf "'%s' " "$(printf "$x" | sed "s:':'\\\'':g")"
+				done
+				return 0
+				;;
+		esac
+	fi
+
+	eval _a=\$$1
+	printf "%s" "${_a}"
+	printf "\n"
+	[ -n "${_a}" ]
+}
+
 _wait_for_carrier() {
 	local timeout= efunc=einfon
 
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