From ef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 10 Nov 2011 21:46:08 -0500 Subject: make shell math operations style more succulent Convert the style: var=$((${var} + 1)) to: : $(( var += 1 )) The latter is easier to read imo. Signed-off-by: Mike Frysinger --- support/openvpn/up.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'support') diff --git a/support/openvpn/up.sh b/support/openvpn/up.sh index 14569325..c52ea048 100755 --- a/support/openvpn/up.sh +++ b/support/openvpn/up.sh @@ -34,7 +34,7 @@ while true; do elif [ "${opt}" != "${opt#dhcp-option DNS *}" ]; then NS="${NS}nameserver ${opt#dhcp-option DNS *}\n" fi - i=$((${i} + 1)) + : $(( i += 1 )) done if [ -n "${NS}" ]; then -- cgit v1.2.3