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: : $(( var += 1 )) The latter is easier to read imo. Signed-off-by: Mike Frysinger --- net/iproute2.sh | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'net/iproute2.sh') diff --git a/net/iproute2.sh b/net/iproute2.sh index 660d5147..91282ea6 100644 --- a/net/iproute2.sh +++ b/net/iproute2.sh @@ -36,7 +36,7 @@ _ifindex() { local line= i=-2 while read line; do - i=$((${i} + 1)) + : $(( i += 1 )) [ ${i} -lt 1 ] && continue case "${line}" in "${IFACE}:"*) echo "${i}"; return 0;; @@ -44,7 +44,7 @@ _ifindex() done < /proc/net/dev # Return the next available index - i=$((${i} + 1)) + : $(( i += 1 )) echo "${i}" return 1 } @@ -290,7 +290,7 @@ iproute2_post_start() while [ $n -ge 0 ]; do _iproute2_ipv6_tentative || break sleep 1 - n=$(($n - 1)) + : $(( n -= 1 )) done [ $n -ge 0 ] eend $? -- cgit v1.2.3