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| author | Mike Frysinger <vapier@gentoo.org> | 2013-02-27 01:05:34 -0500 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2013-02-27 01:05:34 -0500 |
| commit | 9fed24c031a885264a9249eed3b6c654c32ce139 (patch) | |
| tree | 7fde7df9f214ca1e978af8059487d8ef10a782be /examples/udhcp | |
| parent | 39b8fb41c50e6ee0aaca81cde2a4dec98d45ef9a (diff) | |
| download | busybox-9fed24c031a885264a9249eed3b6c654c32ce139.tar.gz | |
udhcpc: tweak math shell style with the metric var
Some shells (like dash) are lame and omit the POSIX increment/decrement
feature (because it is listed as optional). Tweak the shell script to
work in all POSIX variants.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'examples/udhcp')
| -rwxr-xr-x | examples/udhcp/simple.script | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/examples/udhcp/simple.script b/examples/udhcp/simple.script index d42f2d3d5..0397e506c 100755 --- a/examples/udhcp/simple.script +++ b/examples/udhcp/simple.script @@ -29,7 +29,8 @@ case "$1" in metric=0 for i in $router ; do echo "Adding router $i" - route add default gw $i dev $interface metric $((metric++)) + route add default gw $i dev $interface metric $metric + : $(( metric += 1 )) done fi |