diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2011-11-10 21:46:08 -0500 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-11-19 02:25:36 -0500 |
| commit | ef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140 (patch) | |
| tree | f1ebb65eec6eb156a0fba737bcd5386af2a9ebfe /net/tuntap.sh | |
| parent | 0510c473d4cd9097401e3a7bc236b0121977b81d (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/tuntap.sh')
| -rw-r--r-- | net/tuntap.sh | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tuntap.sh b/net/tuntap.sh index 884e0ab7..ac505abb 100644 --- a/net/tuntap.sh +++ b/net/tuntap.sh @@ -30,7 +30,7 @@ tuntap_pre_start() local timeout=10 while [ ! -e /dev/net/tun -a ${timeout} -gt 0 ]; do sleep 1 - timeout=$((${timeout} - 1)) + : $(( timeout -= 1 )) done if [ ! -e /dev/net/tun ]; then eerror "TUN/TAP support present but /dev/net/tun is not" |