openwrt/include/shell.sh
Felix Fietkau 84bd74057f build: use mkhash to replace various quirky md5sum/openssl calls
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-05 11:09:12 +01:00

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getvar() {
eval "echo \"\${$1}\""
}
var2file() {
local var
eval "var=\"\${$1}\""
if [ -n "$var" ]; then echo "$var" > "$2"; fi
}
isset() {
local var
eval "var=\"\${$1}\""
[ -n "$var" ]
}