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authorMike Frysinger <vapier@gentoo.org>2011-11-10 21:46:08 -0500
committerMike Frysinger <vapier@gentoo.org>2011-11-19 02:25:36 -0500
commitef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140 (patch)
treef1ebb65eec6eb156a0fba737bcd5386af2a9ebfe /support/openvpn/up.sh
parent0510c473d4cd9097401e3a7bc236b0121977b81d (diff)
make shell math operations style more succulent
Convert the style: var=$((${var} + 1)) to: : $(( var += 1 )) The latter is easier to read imo. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'support/openvpn/up.sh')
-rwxr-xr-xsupport/openvpn/up.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/support/openvpn/up.sh b/support/openvpn/up.sh
index 14569325..c52ea048 100755
--- a/support/openvpn/up.sh
+++ b/support/openvpn/up.sh
@@ -34,7 +34,7 @@ while true; do
elif [ "${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