From ef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 10 Nov 2011 21:46:08 -0500
Subject: make shell math operations style more succulent

Convert the style:
	var=$((${var} + 1))
to:
	: $(( var += 1 ))

The latter is easier to read imo.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 net/pppd.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'net/pppd.sh')

diff --git a/net/pppd.sh b/net/pppd.sh
index 1f9d302e..97bd3ee5 100644
--- a/net/pppd.sh
+++ b/net/pppd.sh
@@ -96,7 +96,7 @@ pppd_pre_start()
 	if ! ${hasdefaultmetric}; then
 		local m=
 		eval m=\$metric_${IFVAR}
-		[ -z "${m}" ] && m=$((${metric} + $(_ifindex)))
+		[ -z "${m}" ] && : $(( m = metric + $(_ifindex) ))
 		opts="${opts} defaultmetric ${m}"
 	fi
 	if [ -n "${mtu}" ]; then
-- 
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