pvRequest parsing

tools/get.cpp

@@ -25,6 +25,7 @@ void usage(const char* argv0)
     std::cerr<<"Usage: "<<argv0<<" <opts> [pvname ...]\n"
                "\n"
                "  -h        Show this message.\n"
+               "  -r <req>  pvRequest condition.\n"
                "  -v        Make more noise.\n"
                "  -d        Shorthand for $PVXS_LOG=\"pvxs.*=DEBUG\".  Make a lot of noise.\n"
                "  -w <sec>  Operation timeout in seconds.  default 5 sec.\n"
@@ -38,10 +39,11 @@ int main(int argc, char *argv[])
     logger_config_env(); // from $PVXS_LOG
     double timeout = 5.0;
     bool verbose = false;
+    std::string request("field()");
 
     {
         int opt;
-        while ((opt = getopt(argc, argv, "hvdw:")) != -1) {
+        while ((opt = getopt(argc, argv, "hvdw:r:")) != -1) {
             switch(opt) {
             case 'h':
                 usage(argv[0]);
@@ -58,6 +60,9 @@ int main(int argc, char *argv[])
                     return 1;
                 }
                 break;
+            case 'r':
+                request = optarg;
+                break;
             default:
                 usage(argv[0]);
                 std::cerr<<"\nUnknown argument: "<<char(opt)<<std::endl;
@@ -79,6 +84,7 @@ int main(int argc, char *argv[])
     for(auto n : range(optind, argc)) {
 
         ops.push_back(ctxt.get(argv[n])
+                      .pvRequest(request)
                       .result([&argv, n, &remaining, &done](client::Result&& result) {
                           std::cout<<argv[n]<<"\n"<<result();