@Internal("Sys.setenv")
public static LogicalVector setEnvironment(
@Current Context context, StringVector names, StringVector values) {
Map<String, String> map = context.getSession().getSystemEnvironment();
LogicalArrayVector.Builder result = new LogicalArrayVector.Builder();
for (int i = 0; i != names.length(); ++i) {
map.put(names.getElementAsString(i), values.getElementAsString(i));
result.add(true);
}
return result.build();
}
@Internal("Sys.getenv")
public static StringVector getEnvironment(
@Current Context context, StringVector names, String unset) {
StringVector.Builder result = new StringArrayVector.Builder();
Map<String, String> map = context.getSession().getSystemEnvironment();
if (names.length() == 0) {
for (Map.Entry<String, String> entry : map.entrySet()) {
result.add(entry.getKey() + "=" + entry.getValue());
}
} else {
for (String name : names) {
String value = map.get(name);
result.add(value == null ? unset : value);
}
}
return result.build();
}