cli cerr/cout flush

Write less extraneous information to stdout,
and ensure flush() at opportune times

tools/call.cpp

@@ -120,7 +120,7 @@ int main(int argc, char *argv[])
         auto ctxt(client::Context::fromEnv());
 
         if(verbose)
-            std::cout<<"Effective config\n"<<ctxt.config();
+            std::cerr<<"Effective config\n"<<ctxt.config();
 
         epicsEvent done;
         int ret=2;
@@ -131,6 +131,7 @@ int main(int argc, char *argv[])
                 auto val = result();
                 if(val)
                     std::cout<<val;
+                std::cout.flush();
                 ret=0;
             }catch(std::exception& e){
                 std::cerr<<ERL_ERROR " "<<typeid(e).name()<<" : "<<e.what()<<"\n";

tools/get.cpp

@@ -97,7 +97,7 @@ int main(int argc, char *argv[])
         auto ctxt(client::Context::fromEnv());
 
         if(verbose)
-            std::cout<<"Effective config\n"<<ctxt.config();
+            std::cerr<<"Effective config\n"<<ctxt.config();
 
         std::list<std::shared_ptr<client::Operation>> ops;
 
@@ -115,6 +115,7 @@ int main(int argc, char *argv[])
                                          .format()
                                          .format(format)
                                          .arrayLimit(arrLimit);
+                              std::cout.flush();
 
                               if(remaining.fetch_sub(1)==1)
                                   done.signal();

tools/info.cpp

@@ -76,7 +76,7 @@ int main(int argc, char *argv[])
         auto ctxt(client::Context::fromEnv());
 
         if(verbose)
-            std::cout<<"Effective config\n"<<ctxt.config();
+            std::cerr<<"Effective config\n"<<ctxt.config();
 
         std::list<std::shared_ptr<client::Operation>> ops;
 
@@ -92,8 +92,9 @@ int main(int argc, char *argv[])
                                   std::cout<<" from "<<result.peerName()<<"\n"<<result()
                                              .format()
                                              .showValue(false);
+                                  std::cout.flush();
                               }catch(std::exception& e){
-                                  std::cout<<" Error: "<<e.what()<<"\n";
+                                  std::cout<<" Error: "<<e.what()<<std::endl;
                               }
 
                               if(remaining.fetch_sub(1)==1)

tools/list.cpp

@@ -173,7 +173,7 @@ int main(int argc, char *argv[])
                                   if(top["implLang"].as(temp)) {
                                       std::cout<<" lang=\""<<escape(temp)<<"\"";
                                   };
-                                  std::cout<<"\n";
+                                  std::cout<<std::endl;
 
                               } else { // channels
                                   if(verbose)

tools/monitor.cpp

@@ -108,7 +108,7 @@ int main(int argc, char *argv[])
         auto ctxt(client::Context::fromEnv());
 
         if(verbose)
-            std::cout<<"Effective config\n"<<ctxt.config();
+            std::cerr<<"Effective config\n"<<ctxt.config();
 
         // space for every subscription and one more for SigInt
         MPMCFIFO<std::shared_ptr<client::Subscription>> workqueue(argc-optind+1);
@@ -157,6 +157,7 @@ int main(int argc, char *argv[])
                 std::cout<<update.format()
                            .format(format)
                            .arrayLimit(arrLimit);
+                std::cout.flush();
 
             }catch(client::Finished& conn) {
                 log_info_printf(app, "%s POP Finished\n", name.c_str());

tools/put.cpp

@@ -113,7 +113,7 @@ int REALMAIN(int argc, char *argv[])
         auto ctxt(client::Context::fromEnv());
 
         if(verbose)
-            std::cout<<"Effective config\n"<<ctxt.config();
+            std::cerr<<"Effective config\n"<<ctxt.config();
 
         epicsEvent done;
         int ret=0;
@@ -143,7 +143,7 @@ int REALMAIN(int argc, char *argv[])
                     if(verbose) {
                         std::cout<<"Writing fields:\n";
                         Indented I(std::cout);
-                        std::cout<<val.format().delta()<<"\n";
+                        std::cout<<val.format().delta()<<std::endl;
                     }
                     return val;
                 })