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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 /net/arping.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 'net/arping.sh')
-rw-r--r--net/arping.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/arping.sh b/net/arping.sh
index b77d70c1..83360d78 100644
--- a/net/arping.sh
+++ b/net/arping.sh
@@ -34,7 +34,7 @@ arping_address()
while [ ${w} -gt 0 -a -z "${foundmac}" ]; do
foundmac="$(arping2 ${opts} -r -c 1 -i "${IFACE}" "${ip}" 2>/dev/null | \
sed -e 'y/abcdef/ABCDEF/')"
- w=$((${w} - 1))
+ : $(( w -= 1 ))
done
else
[ -z "$(_get_inet_address)" ] && opts="${opts} -D"