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add a list append function to functions.sh

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4014 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-06-19 21:45:07 +00:00
parent 8ae87f1f26
commit 4f09c2f1f6
1 changed files with 11 additions and 0 deletions
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11
package/base-files/default/etc/functions.sh
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@ -1,6 +1,10 @@
#!/bin/sh
alias debug=${DEBUG:-:}
# newline
N="
"
# valid interface?
if_valid () (
ifconfig "$1" >&- 2>&- ||
@ -12,6 +16,13 @@ hotplug_dev() {
env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
}
append() {
local var="$1"
local value="$2"
local sep="${3:- }"
eval "export ${var}=\"\${${var}:+\${${var}}${value:+$sep}}$value\""
}
config_cb() {
return 0
}