reorganize nat helper packages, move ftp and irc nat to a package that is enabled...
[openwrt.git] / include / shell.sh
1 getvar() {
2 eval "echo \"\${$1}\""
3 }
4
5 var2file() {
6 local var
7 eval "var=\"\${$1}\""
8 if [ -n "$var" ]; then echo "$var" > "$2"; fi
9 }
10
11 isset() {
12 local var
13 eval "var=\"\${$1}\""
14 [ -n "$var" ]
15 }
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